August 2018  

Date  Speaker  Topic  
Friday, August 24  

Tuesday, August 28  

Friday, August 31  
September 2018  

Date  Speaker  Topic  
Saturday, September 1  PSU Football  Appalachian State  
Monday, September 3  Labor Day Holiday  
Tuesday, September 4  

Wednesday, September 6  Saturday, September 8  Supergravity and M/Superstring Theory in the Ultraviolet and Double Copy Workshop  
Saturday, September 8  PSU FOOTBALL  AWAY (Pittsburgh)  
Tuesday, September 11  

Friday, September 14  

Saturday, September 15  PSU FOOTBALL  Kent State  
Tuesday, September 18  

Friday, September 21  

Saturday, September 22  PSU FOOTBALL  AWAY (Illinois)  
Tuesday, September 25  

Friday, September 28  

Saturday, September 29  PSU FOOTBALL  Ohio State 
October 2018  

Date  Speaker  Topic  
Tuesday, October 2  

Friday, October 5  

Saturday, October 6  PSU FOOTBALL  BYE WEEK  
Tuesday, October 9  

Friday, October 12  

Saturday, October 13  PSU FOOTBALL  Michigan State (Homecoming)  
Tuesday, October 16  

Friday, October 19  

Friday, October 19 Sunday, October 21 
Parents Weekend  
Saturday, October 20  PSU FOOTBALL  AWAY (Indiana)  
Tuesday, October 23  

Friday, October 26  

Saturday, October 27  PSU FOOTBALL  Iowa  
Tuesday, October 30  
November 2018  

Date  Speaker  Topic  
Friday, November 2  

Saturday, November 3  PSU FOOTBALL  AWAY (Michigan)  
Tuesday, November 6  

Friday, November 9  APS MidAtlantic Meeting University of Maryland, College Park 

Saturday, November 10  PSU FOOTBALL  Wisconsin  
Tuesday, November 13  

Friday, November 16  

Saturday, November 17  PSU FOOTBALL  AWAY (Rutgers)  
November 19  23  Thanksgiving Break  
Tuesday, November 20  

Saturday, November 24  PSU FOOTBALL  Maryland  
Tuesday, November 27  

Friday, November 30  
December 2018  

Date  Speaker  Topic  
Tuesday, December 4  

Friday, December 7  

Tuesday, December 11  

Friday, December 14  
January 2018  

Date  Speaker  Topic 
Tuesday, January 9  

Friday, January 12  

Tuesday, January 16  CQG: Daniel Siegel 
Neutron Star Mergers and the Cosmic Origin of the Heavy Elements 
Friday, January 19  Mentoring Meeting WM Postdocs and Students 

Tuesday, January 23  IlQG: Con Zhang Warsaw/Beijing 
TBA 
Friday, January 26  Katerina Chatziioannou University of Toronto 
Inferring the PostMerger Gravitational Wave Emission from Binary Neutron Star Coalescences 
Tuesday, January 30  Lucas Hackl Penn State 
Geometry of Gaussian Circuit Complexity 
February 2018  

Date  Speaker  Topic 
Friday, February 2  Yuexing Li Penn State 
Primordial Black Holes as Dark Matter: Constraints from Compact UltraFaint Dwarfs 
Monday, February 5  Wednesday, February 7  PAX III Workshop  Atherton Hotel 

Tuesday, February 6  ILQG: Ilya Vilensky Florida Atlantic University 
The Unique Form of Dynamics in Loop Quantum Cosmology 
Friday, February 9  Sarah Caudill Nikhef University 
Lessons Learned in the Gravitational Wave Searches for Compact Binary Coalescences 
Friday, February 9  Norbert Werner Eotvos University 
Black Hole Feedback and Chemical Enrichment in Clusters, Groups and Giant Elliptical Galaxies 
Friday, February 9  Kunihito Ioka Kyoto University 
Interpreting GW170817 and the Electromagnetic Counterparts as a Short GammaRay Burst 
Tuesday, February 13  Hal Haggard Bard College 
Classical Origins for Quantum Tunneling 
Friday, February 16  Jogesh Babu Penn State 
Transfer Learning in Astronomy: A New Machine Learning Paradigm 
Tuesday, February 20  Parampreet Singh LSU 
Singularity Resolution in Loop Quantum Black Holes 
Friday, February 23  Parampreet Singh LSU 
Singularity Resolution in Loop Quantum Cosmology: An Overview 
Tuesday, February 27  CQG: Aaron Zimmerman 
Black Holes, Alone and in Pairs 
March 2018  

Date  Speaker  Topic 
Friday, March 2  David Reitze Caltech 
The Future of Groundbased Gravitationalwave Detectors 
Monday, March 5  Friday, March 9  Spring Break  
Tuesday, March 6  ILQG: Ivan Agullo LSU 
NonGaussianity from Loop Quantum Cosmology 
Tuesday, March 13  

Friday, March 16  Steve Carlip UC Davis 
Black Hole Entropy from BMS Symmetry at the Horizon 
Tuesday, March 20  ILQG: Keren Li Tsinghua Uiversity 
Quantum Spacetime on a Quantum Simulator 
Friday, March 23  

Tuesday, March 27  

Tuesday, March 30  
April 2018  

Date  Speaker  Topic 
Tuesday, April 3  ILQG: Hal Haggard < br/> Bard College  TBA 
Friday, April 6  

Tuesday, April 10  

Friday, April 13  

Tuesday, April 17  ILQG: Kristina Giesel FAU Erlangen 
Gauge Invariant Observables for Cosmological Perturbations 
Friday, April 20  

Saturday, April 21  BlueWhite Football Game 

Tuesday, April 24  

Tuesday, April 27  
May 2018  

Date  Speaker  Topic 
Tuesday, May 1  ILQG: TBA 
TBA 
Friday, May 4  

Tuesday, May 8  

Friday, May 11  

Tuesday, May 15  Jerzy Lewandowski University of Warsaw 
TBD 
August 2017  

Date  Speaker  Topic  
Friday, August 25  KinWang Ng Academia Sinica 
Inflation, Primordial Black Holes, Gravitational Waves  
Tuesday, August 29  QG: Steffen Gielen Perimeter Institute 
Cosmology from Group Field Theory Condensates 
September 2017  

Date  Speaker  Topic  
Friday, September 1  Cecilia Chirenti Univ Federal do ABC, Brazil 
Testing the Nature of the Compact Objects Discovered by LIGO  
Saturday, September 2  PSU FOOTBALL  Akron  
Monday, September 4  Labor Day Holiday  
Tuesday, September 5  CQG: Javier Olmedo 
Mini Course on Numerics for Cosmology  
Friday, September 8  IGC Orientation 

Saturday, September 9  PSU FOOTBALL  Pittsburgh  
Tuesday, September 12  CQG: Christian Fleischhack University of Paderborn 
Relations between Loop Quantum Gravity and Loop Quantum Cosmology  
Friday, September 15  Abhay Ashtekar Penn State 
Some Surprises in the Theory of Gravitational Waves  
Saturday, September 16  PSU FOOTBALL  Georgia State  
Tuesday, September 19  CQG: Yongge Ma Beijing Normal University 
Loop Quantum f(R) Gravity and Its Cosmological Model  
Friday, September 22  Michele Ronco Sapienza University 
InVacuoDispersalLike Spectral Lags in GammaRay Bursts  
Saturday, September 23  PSU FOOTBALL  AWAY (Iowa)  
Tuesday, September 26  ILQG: Andrea Dapor and Klaus Liegener Friedrich Alexander Universitaet, Erlangen 
Cosmological Effective Hamiltonian from Full Loop Quantum Gravity  
Friday, September 29  Miguel Mostafa Penn State 
Multimessenger Studies at Penn State  
Saturday, September 30  PSU FOOTBALL  Indiana 
October 2017  

Date  Speaker  Topic  
Tuesday, October 3  CQG: Wolfgang Wieland Perimeter Institute 
CQG: New Boundary Variables and Quantization of Area in Quantum Gravity  
Friday, October 6  B.S. Sathyaprakash Penn State 
And Then There Were ThreeⒸ  
Saturday, October 7  PSU FOOTBALL  AWAY (Northwestern)  
Tuesday, October 10  ILQG: Pietro Dona Penn State 
SU(2) Graph Invariants, Regge Actions and Polytopes  
Friday, October 13  Donghui Jeong Penn State 
LargeScale Galaxy Bias  
Friday, October 13 Sunday, October 15 
Parents Weekend  
Tuesday, October 17  Group Discussion 
Rovelli's talk in Vancouver  
Friday, October 20  Julian Georg Syracuse University 
Primordial Dark Matter from UV Physics  
Saturday, October 21  PSU FOOTBALL  Michigan  
Tuesday, October 24  ILQG: Marios Christodoulou AIX Marseille U/SUSTec Shenzen 
Geometry Transition in Covariant LQG: Black to White  
Friday, October 27  Miguel Campiglia Montevideo 
Asymptotic Charges and Soft Theorems  
Saturday, October 28  PSU FOOTBALL  AWAY (Ohio State)  
Tuesday, October 31  CQG: Jerzy Lewandowski Warsaw University 
Special Cases of Isolated Horizons: Petrov Type D, Extremal, Foliating Spacetime 
November 2017  

Date  Speaker  Topic  
Friday, November 3  APS MidAtlantic Meeting 

Saturday, November 4  PSU FOOTBALL  AWAY (Michigan State)  
Tuesday, November 7  ILQG: Eugenio Bianchi Penn State 
Entanglement in Loop Quantum Gravity  
Tuesday, November 7  GAP: Xinliang An University of Toronto 
On Singularity Formation in General Relativity  
Friday, November 10  Sarah Shandera Penn State 
A Cosmological Open Quantum System  
Saturday, November 11  PSU FOOTBALL  Rutgers (Homecoming/Veterans Appreciation)  
Tuesday, November 14  Javier Olmedo Penn State 
Minicourse on Numerics in Cosmology  Part II  
Friday, November 17  Pablo Laguna Georgia Tech 
The Road to Binary Black Hole Simulations: An Overview  
Saturday, November 18  PSU FOOTBALL  Nebraska  
November 20  24  Thanksgiving Break  
Tuesday, November 21  ILQG: Jose Antonio Zapata UNAM Morelia 
From Coarse Graining for Quantum Gravity to Topological Charges in Discretized Gauge Theories  
Saturday, November 25  PSU FOOTBALL  AWAY (Maryland)  
Tuesday, November 28  CQG: Simone Speziale 
Sachs' Free Data in Connection Variables 
December 2017  

Date  Speaker  Topic  
Friday, December 1  Mark Hertzberg Tufts University 
Lorentz Invariance from Spin 2  
Tuesday, December 5  CQG: Tommaso De Lorenzo CPT Marseille 
Light Cone Thermodynamics  
Tuesday, December 5  ILQG: Marco Finocchiaro Albert Einstein Institute 
Divergences and Radiative Corrections in GFT  
Friday, December 8  Edward WilsonEwing University of New Brunswick 
The Loop Quantum Cosmology Bounce as a Kasner Transition 
February 2017  

Date  Speaker  Topic 
Friday, February 3  Benjamin Lackey Albert Einstein Institute 
Measuring the NeutronStar Equation of State from Gravitational Wave Observations 
March 2017  

Date  Speaker  Topic 
Friday, March 3  K. G. Arun Chennai Mathematical Institute 
Testing the Binary Black Hole Nature of a Compact Binary Coalescence 
Monday, March 20  David Thompson NASA Goddard/Fermi 
Multiwavelength/Multimessenger Studies with the Fermi Gammaray Space Telescope 
Friday, March 24  Leo Stein Caltech 
Black Holes and Mergers in Theories Beyond General Relativity 
Monday, March 27  Dong Lai University of Pennsylvania 
Merging Compact Binaries: From White Dwarfs, Neutron Stars to Supermassive Black Holes 
April 2017  

Date  Speaker  Topic 
Friday, April 7  Ian Morrison West Chester University 
Holography of Information and Causal Shadows 
Friday, April 14  Beatrice Bonga Penn State 
Power Radiated by a Binary Black Hole System in a de Sitter Universe 
Friday, April 21  Aaron Zimmerman 
Oscillations of Rapidly Rotating Black Holes 
Friday, April 28  Deirdre Shoemaker Georgia Tech 
Strong Gravity in Gravitational Wave Astronomy 
May 2017  

Date  Speaker  Topic 
Friday, May 12  Netta Engelhardt Princeton University 
Locality from the Holographic Principle 
August 2016  

Date  Speaker  Topic  
Friday, August 26  Zac Kenton Queen Mary University of London 
The Separate Universe Approach to Soft Limits  
Tuesday, August 30  Brajesh Gupt Penn State 
ILQG: Quantum Gravity in the Sky: Interplay between Theory and Observation 
September 2016  

Date  Speaker  Topic  
Friday, September 2  

Saturday, September 3  PSU FOOTBALL  Kent State  
Monday, September 5  Labor Day Holiday  
Tuesday, September 6  

Friday, September 9  Marcos Rigol Penn State 
From Unitary Dynamics to Statistical Mechanics in Isolated Quantum Systems  
Tuesday, September 13  Madhavan Varadarajan Raman Research Institute 
ILQG: Propagation in Polymer Parameterized Field Theory  
Friday, September 16  Azadeh Keivani Penn State 
LIGO/VIRGO and AMON: Enabling Multimessenger Science with Gravitational Waves  
Saturday, September 17  PSU FOOTBALL  Temple  
Tuesday, September 20  

Friday, September 23  B.S. Sathyaprakash Penn State 
What Can We Hope to Learn from Current and Future Gravitational Wave Observations  
Tuesday, September 27  Alejandro Perez Universite AixMarseille 
ILQG: CFT Degrees of Freedom from LQG Boundary Excitations  
Friday, September 30  
October 2016  

Date  Speaker  Topic  
Saturday, October 1  PSU FOOTBALL  Minnesota  
Tuesday, October 4  

Friday, October 7  

Saturday, October 8  PSU FOOTBALL  Maryland (Homecoming)  
Tuesday, October 11  Clement Delcamp Perimeter Institute 
ILQG: Fusion Basis for Lattice Gauge Theory and LQG  
Friday, October 14  

Friday, October 14 Sunday, October 16 
Parents Weekend  Hotels sold out for Friday and Saturday nights  
Tuesday, October 18  

Friday, October 21  

Saturday, October 22  PSU FOOTBALL  Ohio State  
Tuesday, October 25  Wolfgang Wieland Perimeter Institute 
ILQG: TBA  
Friday, October 28  

Monday, October 31  Tuesday, November 1  Physics Department Review 
November 2016  

Date  Speaker  Topic  
Tuesday, November 1  

Friday, November 4  

Saturday, November 5  PSU FOOTBALL  Iowa  
Tuesday, November 8  Simone Speziale 
ILQG: Progress in Twisted Geometries and Spin Foam Transition Amplitudes  
Friday, November 11  Boris Bolliet Louisiana State University 
Observational Constraints on Loop Quantum Cosmology with the CMB  
Tuesday, November 15  
Friday, November 18  Marios Christodoulou Marseille 
How Big is a Black Hole?  
November 21  25  Thanksgiving Break  
Tuesday, November 22  Hal Haggard  ILQG: TBA  
Saturday, November 26  PSU FOOTBALL  Michigan State  
Tuesday, November 29  
December 2016  

Date  Speaker  Topic  
Friday, December 2  Physics and Astrophysics at the Extreme Workshop  The Atherton Hotel  
Tuesday, December 6  Aldo Riello Perimeter Institute 
ILQG: TBA  
Friday, December 9  
January 2016  

Date  Speaker  Topic 
Friday, January 15  Sarah Shandera Penn State 
Planning CMB Stage 4 
Friday, January 22  Mentoring meeting for Whitmore postdocs and graduate students 

Thursday, January 28  Abhay Ashtekar Penn State 
Informal discussion on the Recent Paper Soft Hair on BHs [SLIDESPDF] 
Friday, January 29  CFT Jamboree 
February 2016  

Date  Speaker  Topic 
Friday, February 5  CFT Jamboree 

Friday, February 12  IGC GetTogether  Detection of Gravitational Waves 
Friday, February 19  Sunday, February 21 
THON 2016  
Friday, February 19  Eugenio Bianchi Discussion Leader 
Informal discussion on preinflationary initial conditions in R + R^2 model 
Friday, February 26  Ivan Agullo LSU 
Loop Quantum Cosmology and the Cosmic Microwave Background 
March 2016  

Date  Speaker  Topic 
Friday, March 4  

Monday, March 6  Friday, March 11  Spring Break  
Friday, March 18  

Monday, March 21  Hal Haggard Bard College 
PUG: 
Friday, March 25  Marc Henneaux University of Brussels 
Twisted SelfDuality and SO(2) ElectricMagnetic Duality for Gravity and Higher Spin Gauge Fields 
Thursday, March 31 Friday, April 1 
Neighborhood Workshop on Astrophysics and Cosmology 
April 2016  

Date  Speaker  Topic 
Friday, April 1  Neighborhood Workshop on Astrophysics and Cosmology 

Friday, April 8  Astrid Eichhorn Imperial College 
Towards the Unification of Asymptotically Safe Quantum Gravity and the Standard Model of Particle Physics 
Friday, April 15  Wolfgang Wieland Perimeter Institute 
Predictions in the EFT of LSS (30 minutes); Quantum and Classical Expectation Values (30 minutes) 
Saturday, April 16  PSU FOOTBALL  Blue/White Game 

Friday, April 22  Emanuele Alesci SISSA 
Quantum Reduced Loop Gravity: Applications and Perspectives 
Friday, April 29  MuTao Wang Columbia University 
Quasilocal Mass and Isometric Embeddings 
May 2016  

Date  Speaker  Topic 
Friday, May 6  Sunday, May 8 
SPRING GRADUATION  
Friday, May 6  Nishant Agarwal Penn State 
Predictions in the EFT of LSS (30 minutes); Quantum and Classical Expectation Values (30 minutes) 
August 2015  

Date  Speaker  Topic  
Thursday, August 27  Saturday, August 29  Higher Spin Theories Workshop  Workshop Webpage 
September 2015  

Date  Speaker  Topic  
Tuesday, September 1  Benjamin Bahr DESY 
ILQG: Numerical Investigations of the EPRL Model  
Friday, September 4  Alejandro Satz Penn State 
Vacuum Polarization of Subtracted Black Holes  
Monday, September 7  Labor Day Holiday  
Friday, September 11/td>  Nelson Yokomizo Penn State 
Squeezed Spin Network States  
Saturday, September 12  PSU FOOTBALL  Buffalo  
Tuesday, September 15  Bianca Dittrich Perimeter Institute 
ILQG: 3D Holography  
Friday, September 18  Abhay Ashtekar Penn State 
Unitarily and Ultraviolet Regularity in Cosmology  
Saturday, September 19  PSU FOOTBALL  Rutgers  
Friday, September 25  
Continue discussion of Ashtekar paper  
Saturday, September 26  PSU FOOTBALL  San Diego State  
Tuesday, September 29  Eugenio Bianchi Penn State 
ILQG: Squeezed SpinNetworks and Entanglement 
October 2015  

Date  Speaker  Topic  
Saturday, October 3  PSU FOOTBALL  Army  
Saturday, October 10  PSU FOOTBALL  Indiana (Homecoming)  
Tuesday, October 13  Ivan Agullo LSU 
ILQG: Loop Quantum Cosmology, NonGaussianity and CMB Anomalies  
Friday, October 16  Ted Jacobson University of Maryland 
Does the Einstein Equation Follow from A Maximum Entropy Principle for Vacuum Entanglement  
Saturday, October 17 Sunday, October 18 
Parents Weekend  
Tuesday, October 27  Eyo E. Ita U.S. Naval Academy 
ILQG: Intrinsic Time in Quantum Geometrodynamics  
Saturday, October 31  PSU FOOTBALL  Illinois 
November 2015  

Date  Speaker  Topic  
Tuesday, November 10  Jedrzej Swiezewski University of Warsaw 
ILQG: Developments on the Radial Gauge  
Saturday, November 21  PSU Football  Michigan State  
November 23  27  Thanksgiving Break  
Tuesday, November 24  Mehdi Assanioussi University of Warsaw 
ILQG: On Deparametrized Models in LQG 
December 2015  

Tuesday, December 8  Norbert Bodendorfer University of Warsaw 
Quantum Symmetry Reductions Based on Classical Gauge Fixings 
January 2015  

Date  Speaker  Topic 
Friday, January 16  Alejandro Satz University of Pennsylvania 
Horizon Entropy, Entanglement and Noether Charge 
Friday, January 23  Mentoring meeting for Whitmore postdocs and graduate students 

Tuesday, January 27  Andrea Dapor University of Warsaw 
ILQG: Rainbows from Quantum Gravity 
Friday, January 30  Eugenio Bianchi Penn State 
Entanglement and Correlations in Loop Quantum Gravity 
February 2015  

Date  Speaker  Topic 
Tuesday, February 10  Alejandro Perez CNRS Marseille 
ILQG: No Firewalls in Quantum Gravity 
Friday, February 13  Marc Geiller Penn State  Alternative Representations for Quantum Gravity 
Friday, February 20  Sunday, February 22 
THON 2015  
Friday, February 20  Abhay Ashtekar Penn State 
PreInflationary Dynamics of Loop Quantum Cosmology: Interplay between Theory and Observations 
Tuesday, February 24  Steffen Gielen Imperial College 
ILQG: Cosmology with Group Field Theory Condensates 
Wednesday, February 25  Marco Zagermann Leibniz University, Hannover 
The Intricacies of String Theory Vacua with Positive Cosmological Constant 
Friday, February 27  Marco Zagermann Leibniz University, Hannover 
Tentative  Discussion from HEP/CPGA Seminar 
March 2015  

Date  Speaker  Topic 
Friday, March 6  Wolfgang Wieland Penn State 
New Action for Simplicial Gravity: Curvature and Relation to Regge Calculus 
March 913  Spring Break  
Tuesday, March 10  Muxin Han Florida Atlantic University 
ILQG: Quantum Curves 
Tuesday, March 24  Matteo Smerlak Perimeter Institute 
Information Loss 
Thursday, March 26  Workshop  S5 Osmond Lab  Neighborhood Workshop on Astrophysics and Cosmology, Part III 
Friday, March 27  Workshop  S5 Osmond Lab  Neighborhood Workshop on Astrophysics and Cosmology, Part III 
April 2015  

Date  Speaker  Topic 
Tuesday, April 7  Jorge Pullin LSU 
An Explicit Computation of the Evaporation of a Quantum Black Hole 
Friday, April 10  Abhay Ashtekar Penn State 
Gravitational Physics with A Positive Cosmological Constant: Linear Fields in de Sitter Spacetime 
Friday, April 17  Tomohiro Nakama RESCEU, University of Tokoyo 
On Whether Supermassive Black Holes can be Explained by Primordial Black Holes 
Saturday, April 18  PSU FOOTBALL  Blue/White Game 

Tuesday, April 21  Fernando Barbero CSIC, Madrid 
Separability and Quantum Mechanics 
Friday, April 24  Mikhail Kagan Penn State 
On Anomaly Freedom in Spherically Symmetric Lattice Loop Quantization 
May 2015  

Date  Speaker  Topic 
Tuesday, May 5  Lorenzo Sindoni Albert Einstein Institute 
Generalized GFT Condensates and Cosmology 
Friday, May 8  Sunday, May 10  SPRING GRADUATION 
August 2014  

Date  Speaker  Topic  
Monday, August 25 
September 2014  

Date  Speaker  Topic  
Monday, September 1  Labor Day Holiday  
Tuesday, September 2  Javier Olmedo LSU 
ILQG: Casimir Effect on a Quantum Geometry  
Friday, September 5  Eugenio Bianchi Penn State 
Entanglement Entropy Production in Gravitational Collapse  Part I  
Saturday, September 5  PSU FOOTBALL  Akron  
Tuesday, September 9  Eugenio Bianchi Penn State 
Entanglement Entropy Production in Gravitational Collapse  Part II  
Friday, September 12  Dmytro Volin Trinity College, Dublin 
HighLoop Perturbative QFT from Integrability  
Tuesday, September 16  Wolfgang Wieland Penn State 
ILQG: Covariant LQG: Its Classical Action, Phase Space and Gauge Symmetries  
Friday, September 19  Donghui Jeong Penn State 
Inflationary Tensor Fossils in LargeScale Structure  
Saturday, September 20  PSU FOOTBALL  Massachusetts  
Friday, September 26  Steven Carlip UC Davis 
Quantum Fluctuations and the Small Scale Structure of Spacetime  
Saturday, September 27  PSU FOOTBALL  Northwestern (Homecoming) 

Tuesday, September 30  Brajesh Gupt Penn State 
ILQG: Phenomenological Consequences of Quantum Geometries in Loop Quantum Cosmology 
October 2014  

Date  Speaker  Topic  
Thursday, October 2  David Spergel Princeton University 
Gravitational Waves from the Early Universe: Have They Been Seen?  
Friday, October 10  Karan Govil Penn State 
Aspects of Higher Spin Symmetries in Higher Dimensions  
Saturday, October 10 Sunday, October 11 
Parents Weekend  
Tuesday, October 14  Carlo Rovelli CNRS Marseille 
ILQG: White Holes  
Friday, October 17  Matteo Smerlak Perimeter Institute 
Information Loss: Why Should We Care?  
Friday, October 24  Antonin Coutant AEI Potsdam 
Unitary and NonUnitary Transitions around a Cosmological Bounce  
Saturday, October 25  PSU FOOTBALL  Ohio State  
Monday, October 27  IGC Fall Meeting 

Tuesday, October 28  Jerzy Lewandowski University of Warsaw 
ILQG: New Applications for Loop Quantum Gravity  
Friday, October 31  Suddhasattwa Brahma Penn State 
Canonical Effective Methods for Quantum Theories 
November 2014  

Date  Speaker  Topic  
Saturday, November 1  PSU Football  Maryland  
Tuesday, November 4  Jibril Ben Achour Paris Diderot University 
Loop Quantum Cosmology with Complex Ashtekar Variables  
Friday, November 7  Mark Srednicki UCSB 
Some Pedestrian Remarks on Entanglement Entropy  
Monday, November 10  Mikhail Vasiliev Lebedev Physical Institute 
HigherSpin Gauge Theory, SpaceTime and Quantum Mechanics  
Tuesday, November 11  Philipp Hoehn Perimeter Institute 
ILQG: Lorentz Transformations from Abstract Quantum Theory: A Thought Experiment  
Friday, November 14  Mikhail Vasiliev Lebedev Physical Institute 
Invariants in HigherSpin Theory and Holography  
Saturday, November 15  PSU Football  Temple  
Friday, November 21  Marco Chiodaroli AEI, Potsdam 
Simplifying Amplitudes in N<4 Supergravities  
November 24  28  Thanksgiving Break  
Tuesday, November 25  Hal Haggard (Bard College) and Aldo Riello (Perimeter Institute) 
ILQG: SL(2,C) ChernSimons Theory and Spinfoam Gravity with a Cosmological Constant  
Saturday, November 29  PSU Football  Michigan State 
December 2014  

Date  Speaker  Topic  
Monday, December 1  Sylvain Carrozza CPT, Marseille 
Renormalization of Group Field Theories and Applications  
Friday, December 5  Suzanne Lanéry University of ErlangenNürnberg 
Extending the State Space of Loop Quantum Gravity  
Tuesday, December 9  Maximilian Hanusch University of Paderborn 
Invariance of Connections and Measures in Loop Quantum Cosmology  
Friday, December 12  Arthur Kosowsky University of Pittsburgh 
How Anomalous are Cosmic Microwave Background Anomalies? 
January 2014  

Date  Speaker  Topic 
Monday, January 20  IGC Meeting  Spring 2014 

Tuesday, January 21  ILQG: Pietro Dona SISSA 
Matter Matters in Asymptotically Safe Quantum Gravity 
Friday, January 24  Mentoring meeting with Graduate Students and Post Docs 

Tuesday, January 28  Brajesh Gupt LSU 
Some Phenomenological and Numerical Studies in Loop Quantum Cosmology 
February 2014  

Date  Speaker  Topic 
Monday, February 3  Jim Hartle UCSB 
The Quantum State of the Universe 
Tuesday, February 4  Jim Hartle UCSB 
The Classical Universes of the NoBoundary Quantum State 
Tuesday, February 4  ILQG: Bianca Dittrich Perimeter Institute 
A New Vacuum for Loop Quantum Gravity 
Friday, February 7  Jim Hartle UCSB 
Eternal Inflation and Anthropic Reasoning in the Light of Quantum Cosmology 
Friday, February 14  Eugenio Bianchi Penn State 
Entanglement, Thermalization and QuarkGluon Plasmas 
Tuesday, February 18  ILQG: Sebastian Steinhaus Perimeter Institute 
Quantum Group Spin Nets: Refinement Limit and Relation to Spin Foams 
Friday, February 21  Abhay Ashtekar Penn State 
General Relativity with a Positive Cosmological Constant: Isolated Systems and Gravitational Radiation 
Friday, February 28  Marc Geiller Penn State 
A New Vacuum for Loop Quantum Gravity 
March 2014  

Date  Speaker  Topic 
Tuesday, March 4  ILQG: Marc Geiller and Simone Speziale Penn State and Marseille 
Discussion on Simplicity Constraints in Spin Foam Models 
March 914  Spring Break  
Tuesday, March 18  ILQG: Max Dohse UNAMMorelia 
Smatrices for General Boundary QFT on Anti deSitter Spacetime 
Friday, March 21  Bart Horn Columbia University 
SoftPion Theorems for LargeScale Structure 
Friday, March 28  David Awschalom University of Chicago 
2014 Marker Lecture Series 
April 2014  

Date  Speaker  Topic 
Tuesday, April 1  ILQG: Laurent Freidel Perimeter Institute 
Continuum Limit and Renormalization 
Thursday, April 3  Workshop  S5 Osmond Lab  Neighborhood Workshop on Astrophysics and Cosmology, Part II 
Friday, April 4  Workshop  S5 Osmond Lab  Neighborhood Workshop on Astrophysics and Cosmology, Part II 
Tuesday, April 15  ILQG: Antonia Zipfel FAU Erlangen 
Linking Canonical and Covariant LQG 
Monday, April 21  Bhuvnesh Jain University of Pennsylvania 
Beyond the Standard Model of Cosmology 
Friday, April 25  Jan Kratochvil University of KwaZuluNatal 
Cosmological Constraints from NonGaussian Features in Weak Gravitational Lensing Maps 
Monday, April 28  Julian Krolik Johns Hopkins University 
The BardeenPetterson Effect in MHD or How Twisted Disks Straighten Out 
Tuesday, April 29  ILQG: Ivan Agullo, Aurelien Barrau, Guillermo Mena LSU, Fourier U, CSIC Madrid 
LQC and the Very Early Universe 
May 2014  

Date  Speaker  Topic 
Thursday, May 1  Workshop  114 McAllister Bldg  NonAssociativity in Physics and Related Mathematical Structures 
Friday, May 2  Workshop  114 McAllister Bldg  NonAssociativity in Physics and Related Mathematical Structures 
Friday, May 2  Liam McAllister Cornell University 
Largefield Inflation in String Theory 
Friday, May 9  Marc Geiller Penn State 
Problem of Computing the Backreaction to Hawking Radiation via the Method of the Trace Anomaly 
Tuesday, May 13  ILQG: Jorge Pullin LSU 
Hawking Radiation in LQG 
Friday, May 30  Edward WilsonEwing LSU 
Why are the Effective Equations of Loop Quantum Cosmology so Accurate? 
Wednesday, June 4,  Karan Govil PSU 
Higher Spin Algebras and Holography in AdS_5 and AdS_7 
August 2013  

Date  Speaker  Topic  
Tuesday, August 27  
Friday, August 30  Marc Geiller Penn State 
ThreeDimensional Gravity and Constrained Discretized Path Integrals 
September 2013  

Date  Speaker  Topic  
Monday, September 2  Labor Day Holiday  
Tuesday, September 3  ILQG: Jose Antonio Zapata UNAM Morelia 
Multisymplectic Effective General Boundary Field Theory  
Friday, September 13  Aditya Rotti IUCAA, Pune 
Beyond Standard Cosmology  
Tuesday, September 17  ILQG: Hal Haggard CPT Marseille 
Thermality of Spherical Causal Domains and the Entanglement Spectrum  
Friday, September 20  Eanna Flanagan Cornell University 
Effective Field Theory and Modified Gravity Models in Cosmology  
Tuesday, September 24  Daniele Oriti Albert Einstein Institute 
Group Field Theory for Quantum Gravity: Second Quantization of Spin Networks and Effective Cosmology  
Friday, September 27  CFT Research Presentations 
October 2013  

Date  Speaker  Topic  
Tuesday, October 1  ILQG: Norbert Bodendorfer Warsaw 
Black Hole Entropy from LQG: Higher Dimensions and Generalized Theories  
Friday, October 4  Daan Meerburg Princeton University 
Tentative  TBA  
Tuesday, October 8  Bianca Dittrich Perimeter Institute 
Triangulation Invariant Models from Intertwiner Models  
Friday, October 11  Bianca Dittrich Perimeter Institute 
Constructing A Cylindrically Consistent Dynamics: Building Up a Physical Vacuum  
Tuesday, October 15  ILQG: Derek Wise FAU Erlangen 
Holographic Special Relativity: Observer Space from Conformal Geometry  
Friday, October 18  Avery Broderick Perimeter Institute 
How TeV Blazars Might Rewrite the Thermal History of the Universe: A Story about NonLocal AGN Feedback  
Tuesday, October 22  Marc Geiller Penn State 
Black Holes in 3D Quantum Gravity  
Friday, October 25  AMON Workshop  
Monday, October 28  Bakhtiyar Ruzbayev University of Delaware 
Measurement of Cosmic Ray Energy Spectrum with IceCube (Special Seminar)  
Tuesday, October 29  ILQG: Asieh Karami UNAM Morelia 
Bianchi IX LQC: Quantization Ambiguity and Effective Description 
November 2013  

Date  Speaker  Topic  
Wednesday, November 6  Jay Hubisz Syracuse University 
A Light Dilaton and Suppressed Cosmological Constant without Tuning  
Tuesday, November 12  ILQG: Tim Koslowski University of New Brunswick 
What Can We Learn from Shape Dynamics?  
Friday, November 15  Qingjun Jin Penn State 
The Emergence of SUSY in Gamma_iDeformed SYM  
November 25  29  Thanksgiving Break  
Tuesday, November 26  ILQG: Johannes Thurigen Albert Einstein Institute 
Spectral Dimension of Quantum Geometries 
December 2013  

Date  Speaker  Topic  
Tuesday, December 10  ILQG: Saeed Rastgoo UNAM Morelia 
Towards the Resolution of the CGHS Singularity in LQG  
Friday, December 13  Marcello Musso Universite Catholique de Louvain 
Random Walks in the Sky (Remembering Your Steps!) 
January 2013  

Date  Speaker  Topic 
Friday, January 11  Donghui Jeong Johns Hopkins University 
Unveiling the Nature of Dark Energy and the Physics of Inflation from LargeScale Structure in the Universe 
Monday, January 14  Miguel Mostafa Colorado State 
High Energy Particle Astrophysics 
Tuesday, January 15  David Skinner IAS and Cambridge 
Twistor Strings for N=8 Supergravity 
Friday, January 25  Rachel Rosen Columbia University 
Recent Developments in Massive Gravity 
Monday, January 28  Rachel Rosen Columbia University 
Recent Developments in Massive Gravity  Part II 
Tuesday, January 29  Eugenio Bianchi Perimeter Institute 
Entanglement in Loop Quantum Gravity 
February 2013  

Date  Speaker  Topic 
Friday, February 1  Eugenio Bianchi Perimeter Institute 
Why Are Black Holes Hot? 
Monday, February 4  ChingWa Yip Johns Hopkins University 
Toward 3D Spectrum of Galaxies 
Monday, February 11  Chad Hanna Perimeter Institute 
Thunder and Lightning: Connecting the GravitationalWave and Electromagnetic Skies 
Tuesday, February 12  Hal Haggard CPT Marseille 
Dynamical Chaos and the Volume Gap 
Friday, February 15  Nishant Agarwal Carnegie Mellon University 
Probing the Initial Conditions of the Universe 
Monday, February 18  Justin Khoury University of Pennsylvania 
Symmetries of the Very Early Universe 
Monday, February 25  John Joseph Carrasco Stanford University 
Decoding the DNA of Gravity from the Smallest to Largest Scales in Nature 
Tuesday, February 26  Stephon Alexander Haverford College 
Gravity Electroweak Unification 
March 2013  

Date  Speaker  Topic 
March 38  Spring Break  
Monday, March 11  Mike Eracleous Penn State 
Cataclysmic Variability in Galactic Nuclei: Tidal Disruptions of Stars and Supermassive Black Hole Mergers 
Tuesday, March 12  E. Alesci and F. Cianfrani University of Erlangen 
Quantum Reduced Loop Gravity 
Friday, March 22  Sarah Shandera Penn State 
Informal discussion of Planck telescope results 
Monday, March 25  Fiona Harrison Caltech 
Unveiling the High Energy Xray Sky withe the Nuclear Spectroscopic Telescope Array 
Tuesday, March 26  Brajesh Gupta LSU 
Bianchi I Loop Quantum Cosmology, Kasner Transitions and Inflation 
April 2013  

Date  Speaker  Topic 
Thursday, April 4  Neighborhood Workshop on Astrophysics and Cosmology 

Friday, April 5  Neighborhood Workshop on Astrophysics and Cosmology 

Monday, April 8  Massimo Porrati New York University 
Surprises with Interacting High Spin Particles 
Tuesday, April 9  Wolfgang Weiland 
Hamiltonian Spinfoam Gravity 
Friday, April 12  AUGER Workshop 

Monday, April 15  Ralph Engel Karlsruhe Institute of Technology 
Highest Energy Cosmic Rays  First Answers and New Puzzles 
Tuesday, April 16  Cosmology and Time Workshop 

Wednesday, April 17  Cosmology and Time Workshop 

Friday, April 19  Murat Gunaydin 
Massless Representations of Poincare Group; Extensions at Anti deSitter Spacetimes with Negative Cosmological Constant 
Monday, April 22  Charles Lawrence Jet Propulsion Lab 
The Universe According to Planck, Part I 
Tuesday, April 23  Martin Bojowald Penn State 
A Loop Quantum Multiverse 
Friday, April 26  Abhay Ashtekar and Radu Roiban Penn State 
Ashtekar  "Massless Fields: Helicity and SelfDuality" Roiban  "Massless Asymptotic States in Flat Space Gauge and (Super) Gravity Theories 
Tuesday, April 30  Jorge Pullin Louisiana State University 
Exact Quantization of Spherically Symmetric Vacuum Gravity 
May 2013  

Date  Speaker  Topic 
Friday, May 3  Jorge Pullin and Rodolfo Gambini 
Informal discussion 
Tuesday, May 7  Yasha Neiman Penn State 
The Imaginary Part of the GR Action and the LargeSpin 4Simplex Amplitude 
Friday, May 17  Louis Leblond Penn State 
Massless Fields in deSitter Space and Their Infrared Physics 
Friday, May 24  Martin Bojowald Penn State 
Metricless Masslessness 
September 2012  

Date  Speaker  Topic 
Monday, September 3  Labor Day Holiday  
Tuesday, September 4  Frank Hellmann Albert Einstein Institute 
Holonomy Spin Foam Models: Asymptotic Dynamics 
Friday, September 7  William Nelson Penn State 
Adiabatic Renormalization and Cosmology 
Friday, September 14  Cliff Burgess McMaster University/Perimeter Institute 
Extra Dimensions, the Cosmological Constant Problem and the LHC 
Monday, September 17  Paul Sommers Penn State 
UltraHigh Energy Cosmic Rays: Transmogrification of Mysteries 
Tuesday, September 18  Lorenzo Sindoni Albert Einstein Institute 
Flux Coherent States 
Friday, September 21  Donghui Jeong Johns Hopkins University 
Probing Initial Conditions with the LargeScale Structure of the Universe 
Tuesday, September 25  Eugenio Bianchi Perimeter Institute 
Horizon Entropy in Spin Foams 
Friday, September 28  Eugenio Bianchi Perimeter Institute 
Graviton Propagator and Spin Foams 
October 2012  

Date  Speaker  Topic 
Tuesday, October 2  Derek Wise FAU, Erlangen 
Lifting General Relativity to Observer Space 
Friday, October 5  CFT Jamboree  Research Presentations by CFT Members (5 minutes each) 
Monday, October 8  Priya Natarajan Yale University 
The First Black Holes in the Universe 
Friday, October 12  CFT Jamboree  Part II  Research presentations by CFT Members (5 minutes each) 
Tuesday, October 16  Eugenio Bianchi Perimeter Institute 
Horizon Entropy from Loop Gravity 
Monday, October 22  John Friedman University of WisconsinMilwaukee 
Instabilities of Relativistic Stars 
Tuesday, October 30  Sylvain Carrozza Albert Einstein Institute 
Renormalization of Tensorial Group Field Theories 
November 2012  

Date  Speaker  Topic 
Friday, November 2  Emre Kahya University of Jena/Istanbul Technical University 
Quantum Effects to Scalars during Inflation 
Monday, November 5  Luis Lehner Perimeter Institute 
Loud and Bright: Electromagnetic Counterparts to Strong Gravitational Wave Events 
Tuesday, November 6  Luis Lehner Perimeter Institute 
Hurricanes Lead to Gravitational Tornadoes and Surprises from Holography 
Friday, November 9  Sohyun Park Penn State 
Quantum Gravitational Effects during Inflation 
Tuesday, November 13  Simone Speziale CPTCNRS, Marseille 
Twistorial Structure of Loop Quantum Gravity Transition Amplitudes 
Friday, November 16  Joe Bramante Hawaii University 
Observing and Constraining Multifield Inflation 
November 19  23  Thanksgiving Break  
Monday, November 26  Yuxi Zheng Penn State 
Variational Wave Equations 
Tuesday, November 27  Bianca Dittrich Perimeter Institute 
Coarse Graining: Towards a Cylindrically Consistent Dynamics 
November 30  ShunPei Miao Utrecht University 
Issues Concerning Nonlinear Extensions of Primordial Power Spectra 
December 2012  

Date  Speaker  Topic 
Friday, December 7  Sean Gryb Utrecht University 
The Role of Time and Scale in Shape Dynamics 
Monday, December 10  Victor Galitski University of Maryland 
Physics Department Colloquium 
Tuesday, December 11  Robert Wimmer SUNY, Stony Brook 
Superconformal Couplings of NonAbelian Tensor and Hypermultiplest in Six Dimensions 
Friday, December 14  Joseph Polchinski UCSB 
Relation between the Scale and Conformal Invariance in 4Dimensional Quantum Field Theories 
January 2012  

Date  Speaker  Topic 
Friday, January 13  Rob Owen Cornell University 
Exploring the Dynamics of Spacetime through FrameDrag Vorticity and Tidal Tendicity 
Friday, January 20  Jakub Mielczarek Jagiellonian University 
Cosmological Perturbations with Holonomy Corrections 
Monday, January 23  Yuexing Li, Penn State  Galaxies and Quasars at the Cosmic Dawn 
Friday, January 27  Jason Steffen Particle Astrophysics Candidate 
2:30 PM in 339 Davey 
Tuesday, January 31  Parampreet Singh, LSU  Physics of Bianchi Models in Loop Quantum Cosmology 
February 2012  

Date  Speaker  Topic 
Monday, February 6  Ian Shipsey Purdue University 
The Large Synoptic Survey Telescope 
Tuesday, February 14  Claudio Perini Penn State 
Classical Limit of Spin Foams on Arbitrary Triangulation 
Friday, February 17  Aron Wall UC Santa Barbara 
Quantum Causal Dynamics without Absolute Space or Time 
Friday, February 24  Andrew Tolley Case Western 
Connections between Theories of Massive Gravity 
Monday, February 27  Shirley Ho Carnegie Mellon University 
Calculating What's in the Universe from the Biggest Color Map 
Tuesday, February 28  Marc Geiller, ParisDiderot  Continuous Formulation of the Loop Quantum Gravity Phase Space 
March 2012  

Date  Speaker  Topic 
Friday, March 2  Viviana Acquaviva Rutgers University 
Understanding the Spectral Energy Distribution of Galaxies 
March 59  Spring Break  
Tuesday, March 13  Jacobo DiazPolo, LSU  Black Hole Evaporation in Loop Quantum Gravity 
Monday, March 19  Dietrich Muller University of Chicago 
The Enigma of Cosmic Rays: Clues from Measurements of Their Composition 
Tuesday, March 20  Dietrich Muller University of Chicago 
The Cosmic Radiation: 100 Years of Adventure and Surprise 
Friday, March 23  Kurt Hinterbichler University of Pennsylvania 
New Developments in Massive Gravity 
Tuesday, March 27  Alejandro Perez Marseille 
Black Hole Entropy in LQG: New Insights from a Local Perspective 
Friday, March 30  Scott Ransom National Radio Astronomy Observatory 
Detecting Gravitational Waves with Millisecond Pulsars 
April 2012  

Date  Speaker  Topic 
Tuesday, April 10  Tim Koslowski Perimeter Institute 
Effective Field Theories for Quantum Gravity Form Shape Dynamics 
Friday, April 13  Yasha Neiman TelAviv University 
Quantum Gravity with Intersecting Lightsheets 
Monday, April 16  Jordi Miralda Universitat de Barcelona 
LargeScale Structure with the LymanAlpha Forest from BOSS 
Tuesday, April 24  Sebastian Steinhaus Albert Einstein Institute 
Path Integral Measure and Triangulation Independence in Discrete Gravity 
Friday, April 27  Dan Green Institute for Advanced Study 
Detecting Particles during Inflation 
Monday, April 30  Anna Stasto Penn State 
LHC Today and Tomorrow: Overview of Selected Results and Prospects for the Future 
May 2012  

Date  Speaker  Topic 
Friday, May 4  Louis Leblond Perimeter Institute 
New Behaviour at Large Mass in de Sitter Space 
Tuesday, May 8  Richard Woodard University of Florida 
Graviton Corrections to Maxwell's Equations 
Wed  Friday, May 911  Fundamental Theory Workshop  Physics with a Positive Cosmological Constant 
August 2011  

Date  Speaker  Topic 
Wednesday, August 3  Chris Beetle Florida Atlantic University 
Generic Isolated Horizons in Loop Quantum Gravity 
Wednesday, August 10  David Craig LeMoyne University 
Consistent Probabilities for Quantum Histories in Cosmology 
Monday, August 29  Peter Mészáros Penn State 
GRBs and the UltraHigh Energy Cosmic Ray and Neutrino Connection 
Tuesday, August 30  Tomas Pawlowski University of New Brunswick 
Time and A Physical Hamiltonian for Quantum Gravity 
September 2011  

Date  Speaker  Topic 
Friday, September 2  Klaas Landsman Radboud Universiteit Nijmegen 
Topos Theory, Quantum Physics and Generalized Concepts of Space 
Tuesday, September 6  Joao Magueijo Imperial College 
Could Quantum Gravity Leave a Chiral Imprint in the Universe? 
Friday, September 9  
Friday, September 16  Dmytro Volin, Penn State  New Discoveries in Solution of the AdS/CFT Spectral Problem 
Monday, September 19  Niel Brandt, Penn State  Active Galaxies Over Cosmic Time: The Demography of Physics and Ecology of Growing Supermassive Black Holes as Revealed by Xray Surveys 
Tuesday, September 20  Jacek Puchta University of Warsaw 
The Feynmann Diagrammatics for the Spin Foam Models 
Friday, September 23  Alok Laddha, Penn State  Can One Ever See Complete Constraint Algebra in Loop Quantum Gravity? 
Tuesday, September 2  Alok Laddha, Penn State  Can One Ever See Complete Constraint Algebra in Loop Quantum Gravity?  Part II 
Friday, September 30  CTOC Faculty  Overview of Research Programs  How I Plan to Explain the Universe in Five Minutes  PART I 
October 2011  

Date  Speaker  Topic 
Tuesday, October 4  N. Bodendorfer and A. Thurn University of Erlangen 
New Variables in Arbitrary Dimensions 
Friday, October 7  Przemyslaw Malkiewicz, Penn State  Reduced Phase Space Approach to Cosmological Systems and the Problem of Time 
Monday, October 10  Sarah Shandera Penn State 
Update on Inflation in Theory Space (And How or If It Might Also Be Confirmed to Live in Real Space) 
Tuesday, October 11  Robin Ciardullo, Penn State  Observational Evidence for Dark Matter in Galaxies 
Friday, October 14  Sarah Shandera, Penn State  TBA 
Tuesday, October 18  William Nelson, Penn State  Inhomogeneous Loop Quantum Cosmology 
Friday, October 21  Muxin Han, CPT Marseille  Asymptotics of Spinfoam Amplitude 
Tuesday, October 25  Muxin Han, CPT Marseille  Spinfoam Model with Quantum Group 
Friday, October 28  CTOC Faculty  Overview of Research Programs  How I Plan to Explain the Universe in Five Minutes  PART II 
Monday, October 31  Jason Rhodes, JPL  WFIRST and Euclid 
November 2011  

Date  Speaker  Topic 
Tuesday, November 1  Tim Koslowski, Perimeter Institute  Shape Dynamics 
Friday, November 4  Andrew Zayakin, INFN, Perugia & Moscow, ITEP 
TBA 
Tuesday, November 8  Norbert Bodendorfer University of ErlangenNurnberg 
Towards Loop Quantum Supergravity and Its Applications 
Friday, November 11  
Tuesday, November 15  Jonathan Engle Florida Atlantic University 
Plebanski Sectors of the New Spin Foam Models 
Friday, November 18  Jim Peebles Princeton University 
Seeking a Still Better Big Bang Theory 
Friday, November 25  No Seminar  Thanksgiving Holiday  
Tuesday, November 29  Philipp Hoehn University of Utrecht 
A Canonical Formalism for Simplicial Gravity 
December 2011  

Date  Speaker  Topic 
Friday, December 2  Claudio Perini, Penn State  Spinfoams: From Combinatorial Structures to the Emergence of Spacetime 
Friday, December 9  John Estes K.U. Leuven 
Locally Localized Gravity in String Theory 
Wed, December 14  Diana LopezNacir Universidad de Buenos Aires 
Dissipative Effects in the Effective Field Theory of Inflation 
January 2011  

Date  Speaker  Topic 
Tuesday, January 18  Gianluca Calcagni, AEI  Inflationary Observables and Observational Constraints in LQC 
Friday, January 21  Ivan Agullo, Penn State  Inflation and the Generation of Cosmic Inhomogeneities, Part I 
Tuesday, January 25  Ivan Agullo, Penn State  Inflation and the Generation of Cosmic Inhomogeneities, Part II 
Friday, January 28  Ivan Agullo, Penn State  Inflation and the Generation of Cosmic Inhomogeneities, Part III 
Monday, January 31  Sam Finn, Penn State  Gravitational Wave Astronomy 
February 2011  

Date  Speaker  Topic 
Tuesday, February 1  Francesca Vidotto, Marseille  Spinfoam Cosmology 
Friday, February 4  Benjamin Basso, Princeton  Exciting the GubserKlevanovPolyakov (GKP) String at any Coupling 
Tuesday, February 8  Claudio Perini, Penn State  Spinfoam Graviton Propagator, Part I 
Friday, February 11  Claudio Perini, Penn State POSTPONED 
Spinfoam Graviton Propagator, Part II 
Monday, February 14  Sarah Shandera, Perimeter Institute  Galaxies, Clusters and the Fundamental Physics of Inflation 
Tuesday, February 15  Tomasz Pawlowski, University of New Brunswick 
Semiclassicality of the Loop Quantum Universe 
Friday, February 18  Claudio Perini, Penn State  Spinfoam Graviton Propagator, Part II 
Tuesday, February 22  Alejandro Corichi, UNAM Morelia  Coherent Semiclassical States for sLQC 
Friday, February 25 
March 2011  

Date  Speaker  Topic 
Tuesday, March 1  Laurent Freidel, Perimeter Institute  The Principle of Relative Locality 
Friday, March 4  
Friday, March 11  Spring Break  
Monday, March 14  Alexander Vikman, CERN  Scalar Fields, Cosmology and Hydrodynamics 
Tuesday, March 15  Winston Fairbairn, Hamburg University 
Quantum Deformation of 4D Spin Foam Models 
Friday, March 18  Artur Tsobanjan, Penn State  Effective Semiclassical Dynamics in Quantum Cosmological Models 
Friday, March 25  Alak Ray, Tata Institute of Fundamental Research  Ultra HighEnergy Cosmic Rays from Mildly Relativistic Supernovae and the Role of BaryonLoaded Blastwaves 
Tuesday, March 29  Ivan Agullo, Penn State  Observational Signatures in Loop Quantum Cosmology 
April 2011  

Date  Speaker  Topic 
Friday, April 1  Elena Magliaro, Penn State  Curvature in Spinfoams 
Monday, April 4  David Burrows  JANUS: Proving the HighZ Universe from Central PA 
Friday, April 8  
Tuesday, April 12  James Ryan, AEI  Simplicity Constraints and the Role of the Immirzi Parameter in Quantum Gravity 
Friday, April 15  Stephan Stolz, Notre Dame  Topological Aspects of Quantum Field Theories 
Friday, April 22  
Tuesday, April 26  Razvan Garau, Perimeter Institute  1/N Expansion for Spin Foams 
Friday, April 29  Hermann Nicolai, AEI  Fermi to Planck: Conformal Symmetry and the Standard Model 
May 2011  

Date  Speaker  Topic 
Monday, May 9  Adam Burrows, Princeton  Dimension as a Key to the Mechanism of CoreCollapse Supernova Explosions 
Tuesday, May 10  Aristide Baratin, ParisOrsay  Group Field Theory: A Hint of Renomalization 
August 2010  

Date  Speaker  Topic 
Tuesday, August 24  Jerzy Lewandowski University of Warsaw 
Canonical LQG and Spin Foams, Part I 
Friday, August 27  Jerzy Lewandowski University of Warsaw 
Canonical LQG and Spin Foams, Part II 
Tuesday, August 31  Jerzy Lewandowski University of Warsaw 
Canonical LQG and Spin Foams, Part III 
September 2010  

Date  Speaker  Topic 
Friday, September 3  Jacobo DiazPolo, Penn State  U(N) Structure of LQG Intertwiners and Simple Model Applications 
Friday, September 10  No Seminar Scheduled  Black Holes in Supergravity and M/Superstring Theory Workshop 
Tuesday, September 14  Elena Magliaro, Penn State  Coherent Spin Networks and the Holomorphic Representation of Spin Foams 
Friday, September 17  Subir Sachdev, Harvard University  The AdS/CFT Description of the Quantum Phases of Matter 
Tuesday, September 21  Abhay Ashtekar, Penn State 
Quantum Evaporation of 2D Black Holes 
Friday, September 24  Alok Laddha, Penn State  Loop Quantization of Parametrized Field Theory, Part I 
Tuesday, September 28  Alok Laddha, Penn State  Loop Quantization of Parametrized Field Theory, Part II 
October 2010  

Date  Speaker  Topic 
Friday, October 1  Alok Laddha, Penn State  Loop Quantization of Parametrized Field Theory, Part III 
Tuesday, October 5  Jerzy Lewandowski University of Warsaw 
Loop Quantum Gravity With All The Degrees of Freedom 
Friday, October 8  Roger Penrose, Oxford/Penn State  Foundational Issues in Combining Quantum Theory with Gravity 
Monday, October 11  Jayant Narlikar, IUCAA  Quantum Cosmology Via Path Integrals, Part I 
Tuesday, October 12  Jayant Narlikar, IUCAA  Quantum Cosmology Via Path Integrals, Part II 
Friday, October 15  Stephon Alexander, Haverford/Penn State  The Fermionic Dark Condensate as the Culprit Behind Dark Energy 
Monday, October 18  Emily Grosholz, Penn State  The Representation of Time by Galileo and Newton 
Tuesday, October 19  Eugenio Bianchi, Marseille  The Cosmological Constant (Non) Problem 
Friday, October 22  Fotini Markopoulou, AEI Golm/Perimeter Institute 
Background Independent Spin Systems as Toy Models for Emergent Gravity 
Monday, October 25  Alessandra Corsi, Caltech  LIGO and the MultiMessenger Exploration of the Transient Sky 
Friday, October 29  Marco Chiodaroli Penn State 
Holographic Duals for TwoDimensional Interface CFTs 
November 2010  

Date  Speaker  Topic 
Tuesday, November 2  Jerzy Lewandowski University of Warsaw 
The Possible Partition Function for the EPRL Model 
Friday, November 5  Aron Wall, University of Maryland  Why is the Generalized Second Law True? 
Friday, November 12  Alok Laddha, Penn State  Constraint Algebra of Parameterized Field Theory: Lessons for LQG 
Tuesday, November 16  Madhavan Varadarajan Raman Research Institute 
Constraint Algebra in Polymer Parameterized Field Theory 
Friday, November 19  Itzhak Bars USC 
Principles of Unitary and Causal 2TPhysics and the Implications for SpaceTime and Universal Laws of Physics 
Friday, November 26  No Seminar  Thanksgiving Holiday  
Tuesday, November 30  Matteo Smerlak, ENS Lyon  Bubble Divergences in StateSum Models 
December 2010  

Date  Speaker  Topic 
Friday, December 3  David Sloan, University of Utrecht  Dimensional Reduction and Mixmaster Dynamics 
Monday, December 6  Scott Dodelson, Fermilab  The Dark Sector vs Modified Gravity 
January 2010  

Date  Speaker  Topic 
Friday, January 8  Nikolay Bobev University of Southern California 
Supergravity Solutions and Black Hole Microstates 
Monday, January 11  Janna Levin (IGC Colloquium)  A Periodic Table for Black Hole Orbits 
Friday, January 15  SooJong Rey Seoul National University 
Dyon Black Hole = Composite Fermion Metal 
Tuesday, January 19  David Sloan, Penn State  Slow Roll Inflation in Loop Quantum Gravity 
Friday, January 22  
Friday, January 29  William Nelson, Penn State  Cosmic Strings, Cosmic Superstrings and Cusps 
February 2010  

Date  Speaker  Topic 
Tuesday, February 2  Claudio Perini Marseille/Rome 
Coherent Spin Networks 
Friday, February 5  Thorsten Battefeld Princeton University 
MultiField Inflation  Inflation Decay and Reheating 
Friday, February 12  Eran Rosenthal Cornell University 
Testing Gravity on Cosmological Scales 
Monday, February 15  Bruce McWilliams (POSTPONED) (IGC Colloquium) 
TBA 
Tuesday, February 16  Tomas Pawlowski CSIC Madrid 
Big Bounce and Inhomogeneities: A Hybrid Approach 
Friday, February 19  Igor Rodnianski Princeton University 
Black Holes and Linear Waves 
Friday, February 26  Henning Samtleben ENS Lyon 
N=8 Supergravity and Local Scaling Symmetry 
March 2010  

Date  Speaker  Topic 
Monday, March 1  Adam Burrowes (POSTPONED) Princeton University (IGC Colloquium) 
TBA 
Friday, March 5  
Tuesday, March 9  TBA  TBA 
Friday, March 12  Spring Break  
Monday, March 15  Ty DeYoung (IGC Colloquium) Penn State 
TBA 
Friday, March 19  
Tuesday, March 23  Benjamin Bahr, AEI  Reparameterization Invariance in Discrete Gravity 
Friday, March 26 
April 2010  

Date  Speaker  Topic 
Friday, April 2  
Monday April 5  Barnaby Marsh (POSTPONED) (IGC Colloquium) 
TBA 
Tuesday, April 6  Florian Conrady Perimeter Institute 
Spin Foams for General Lorentzian 4Geometries 
Friday, April 9  Hector Hernandez Univ Autonoma de Chihuahua 
Effective Equations of Evolution in Loop Quantum Cosmology 
Friday, April 16  
Tuesday, April 20  Jose Antonio Zapata, UNAM Morelia  Curvature 
Friday, April 23  
Monday, April 26  Stefan Funk, Stanford/SLAC IGC Colloquium 
Gamma Ray Observations of Cosmic Accelerators 
Friday, April 30 
May 2010  

Date  Speaker  Topic 
Tuesday, May 4  Alejandro Perez, Marseille  TBA 
August 2009  

Date  Speaker  Topic 
Monday, August 24  Ergin Sezgin, Texas A & M University  Is the Energy Positive in Topologically Massive Gravity? 
Monday, August 31  Kelly Stelle, Imperial College  D3 Duality and Black Holes 
September 2009  

Date  Speaker  Topic 
Friday, September 4  David Brizuela, CSIC Madrid  The Quantum Big Bounce for an Inhomogeneous Cosmological Model 
Friday, September 11  Simone Mercuri, Penn State  PecceiQuinn Mechanism in Gravity and the Dynamics of the AxionLike BarberoImmIrzi Field 
Friday, September 18  NO SEMINAR  
Tuesday, September 22  Richard Woodard, University of Florida 
Questions and Answers in Perturbative Quantum Gravity 
Friday, September 25  NO SEMINAR  
Tuesday, September 29  Abhay Ashtekar, Penn State  Cosmological Spin Foams, Part I 
October 2009  

Date  Speaker  Topic 
Friday, October 2  Abhay Ashtekar, Penn State  Cosmological Spin Foams, Part II 
Tuesday, October 6  Eugenio Bianchi, SNS Pisa  AharonovBohm and LQG 
Friday, October 9  
Tuesday, October 13  David Sloan, Penn State  A Priori Likelihood of Slow Roll Inflation in LQC 
Friday, October 16  Johannes Broedel, AEI PostdamGolm 
Constraints from E_7 on the R4 Counterterm in Maximal Supergravity 
Tuesday, October 20  Jerzy Lewandowski, University of Warsaw  Spin Foams from LQG Perspective 
Friday, October 23  Andrew Debenedictis, Simon Fraser University 
Higher Genus Black Holes in Loop Quantum Gravity 
Friday, October 30 
November 2009  

Date  Speaker  Topic 
Tuesday, November 3  Daniele Oriti, AEI  Group Field Theory and All That 
Friday, November 6  
Wednesday, November 11  Florian Conrady, Perimeter Institute  Quantum Geometry from Phase Space Reduction 
Friday, November 13  
Tuesday, November 17  Frank Hellmann, University of Nottingham  Asymptotics of the New Vertex 
Friday, November 20  Silke Weinfurtner University of New Brunswich 
Anisotropic Scaling: From Condensed Matter Systems to HoravaLifshitz Gravity 
Friday, November 27  Thanksgiving Break 
December 2009  

Date  Speaker  Topic 
Tuesday, December 1  Alok Laddha, Raman Research Institute  Polymer Parameterized Field Theory 
Friday, December 4  Johannes Tambornino, AEI  BornOppenheimer Decomposition for Quantum Fields on Quantum Spacetimes 
January 2009  

Date  Speaker  Topic 
January 9  
January 16  Group Discussion  Presentations by graduate students and post docs 
January 23  
January 30  David Vogan, MIT  The Orbit Method and Unitary Representations: Coals to Newcastle 
February 2009  

Date  Speaker  Topic 
February 6  
February 13  Tomas Liko, Penn State  An Overview of Isolated Horizons in StringInspired Gravity Models 
February 20  Abhay Ashtekar, Penn State  Gelfand Naimark Segal Construction II 
February 27  Ben Owen, Penn State  Informal talk on Neutron Stars 
March 2009  

Date  Speaker  Topic 
March 6  Jonathan Hackett and Yidun Wan Perimeter Institute 
Emergent Matter as Braid Excitations in Quantum Gravity: A Status Report 
March 13  Spring Break  
March 20  Kirill Krasnov, University of Nottingham  Introduction to Spin Foam Models, Part I 
March 27  Kirill Krasnov, University of Nottingham  Introduction to Spin Foam Models, Part II 
April 2009  

Date  Speaker  Topic 
April 3  
April 10  Panel Discussion  Status and Future of Loop Quantum Gravity 
April 17  Gianluca Calcagni  Cosmology of the Separate Universe and Nonlinear Inhomogeneities 
April 24  Gianluca Calcagni, Penn State  Cosmology of the Separate Universe and Nonlinear Inhomogeneities, Part II 
May 2009  

Date  Speaker  Topic 
May 1  Abhay Ashtekar, Penn State  Discussion on SemiClassical Issues, Part II 