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Fundamental Theory, Cosmology Center and ILQG Seminars

Fall 2017

August 2017
Date Speaker Topic
Friday, August 25 Kin-Wang 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 QG: Javier Olmedo
Mini Course on Numerics for Cosmology
Friday, September 8 IGC Orientation
Saturday, September 9 PSU FOOTBALL - Pittsburgh
Tuesday, September 12 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 Yongge Ma
Beijing Normal University
Loop Quantum f(R) Gravity and Its Cosmological Model
Friday, September 22 Michele Ronco
Sapienza University
In-Vacuo-Dispersal-Like Spectral Lags in Gamma-Ray 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 Wolfgang Wieland
Perimeter Institute
Friday, October 6
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
Sunday, October 15
Parents Weekend - Hotels sold out for Friday and Saturday nights
Tuesday, October 17
Friday, October 20 Julian Georg
Syracuse University
TBD
Saturday, October 21 PSU FOOTBALL - Michigan
Tuesday, October 24 ILQG: Muxin Han
Florida Atlantic University
Einstein Equation from Covariant LQG in Semiclassical Continuum Limit
Friday, October 27 Miguel Campiglia
Montevideo
Soft Photon/graviton Theorems and the BMS Group
Saturday, October 28 PSU FOOTBALL - AWAY (Ohio State)
Tuesday, October 31 Jerzy Lewandowski
Warsaw University
November 2017
Date Speaker Topic
Friday, November 3 APS Mid-Atlantic Meeting
Saturday, November 4 PSU FOOTBALL - AWAY (Michigan State)
Tuesday, November 7 ILQG: Eugenio Bianchi
Penn State
Entanglement in Loop Quantum Gravity
Friday, November 10 Sarah Shandera
Penn State
Saturday, November 11 PSU FOOTBALL - Rutgers (Homecoming/Veterans Appreciation)
Tuesday, November 14
Friday, November 17 Pablo Laguna - Tentative
Georgia Tech
Saturday, November 18 PSU FOOTBALL - Nebraska
November 20 - 24 Thanksgiving Break
Tuesday, November 21 ILQG: Jose Antonio Zapata
UNAM Morelia
TBD
Saturday, November 25 PSU FOOTBALL - AWAY (Maryland)
Tuesday, November 28
December 2017
Date Speaker Topic
Friday, December 1 Mark Hertzberg
Tufts University
Tuesday, December 5 ILQG: Marco Finocchiaro
Albert Einstein Institute
Divergences and Radiative Corrections in GFT
Friday, December 8 Edward Wilson-Ewing
University of New Brunswick


Spring 2017

February 2017
Date Speaker Topic
Friday, February 3 Benjamin Lackey
Albert Einstein Institute
Measuring the Neutron-Star 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 Gamma-ray 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

Fall 2016

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 Aix-Marseille
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
Bard College
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


Spring 2016

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 [SLIDES-PDF]
Friday, January 29 CFT Jamboree
February 2016
Date Speaker Topic
Friday, February 5 CFT Jamboree
Friday, February 12 IGC Get-Together Detection of Gravitational Waves
Friday, February 19 -
Sunday, February 21
THON 2016
Friday, February 19 Eugenio Bianchi
Discussion Leader
Informal discussion on pre-inflationary 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 Self-Duality and SO(2) Electric-Magnetic 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 Mu-Tao 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)

Fall 2015

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 Spin-Networks 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, Non-Gaussianity 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


Spring 2015

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
Pre-Inflationary 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 9-13 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 Space-time
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

Fall 2014

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
High-Loop 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 Large-Scale 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 Non-Unitary 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
Higher-Spin Gauge Theory, Space-Time 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 Higher-Spin 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) Chern-Simons 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 Erlangen-Nürnberg
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?


Spring 2014

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 No-Boundary 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 Quark-Gluon 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 9-14 Spring Break
Tuesday, March 18 ILQG: Max Dohse
UNAM-Morelia
S-matrices for General Boundary QFT on Anti de-Sitter Spacetime
Friday, March 21 Bart Horn
Columbia University
Soft-Pion Theorems for Large-Scale 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 KwaZulu-Natal
Cosmological Constraints from Non-Gaussian Features in Weak Gravitational Lensing Maps
Monday, April 28 Julian Krolik
Johns Hopkins University
The Bardeen-Petterson 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 Non-Associativity in Physics and Related Mathematical Structures
Friday, May 2 Workshop - 114 McAllister Bldg Non-Associativity in Physics and Related Mathematical Structures
Friday, May 2 Liam McAllister
Cornell University
Large-field 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 Wilson-Ewing
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


Fall 2013

August 2013
Date Speaker Topic
Tuesday, August 27
Friday, August 30 Marc Geiller
Penn State
Three-Dimensional 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 Non-Local 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_i-Deformed 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!)


Spring 2013

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 Large-Scale 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 Ching-Wa Yip
Johns Hopkins University
Toward 3D Spectrum of Galaxies
Monday, February 11 Chad Hanna
Perimeter Institute
Thunder and Lightning: Connecting the Gravitational-Wave 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 3-8 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 X-ray 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 de-Sitter 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 Self-Duality"
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 Large-Spin 4-Simplex 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


Fall 2012

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
Ultra-High 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 Large-Scale 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 Wisconsin-Milwaukee
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
CPT-CNRS, 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 Shun-Pei 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 Non-Abelian Tensor and Hypermultiplest in Six Dimensions
Friday, December 14 Joseph Polchinski
UCSB
Relation between the Scale and Conformal Invariance in 4-Dimensional Quantum Field Theories


Spring 2012

January 2012
Date Speaker Topic
Friday, January 13 Rob Owen
Cornell University
Exploring the Dynamics of Spacetime through Frame-Drag 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, Paris-Diderot 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 5-9 Spring Break
Tuesday, March 13 Jacobo Diaz-Polo, 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
Tel-Aviv University
Quantum Gravity with Intersecting Lightsheets
Monday, April 16 Jordi Miralda
Universitat de Barcelona
Large-Scale Structure with the Lyman-Alpha 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 9-11 Fundamental Theory Workshop Physics with a Positive Cosmological Constant


Fall 2011

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 Ultra-High 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 X-ray 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 Erlangen-Nurnberg
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 Lopez-Nacir
Universidad de Buenos Aires
Dissipative Effects in the Effective Field Theory of Inflation


Spring 2011

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 Gubser-Klevanov-Polyakov (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 High-Energy Cosmic Rays from Mildly Relativistic Supernovae and the Role of Baryon-Loaded 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 High-Z 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 Core-Collapse Supernova Explosions
Tuesday, May 10 Aristide Baratin, Paris-Orsay Group Field Theory: A Hint of Renomalization


Fall 2010

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 Diaz-Polo, 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 Multi-Messenger Exploration of the Transient Sky
Friday, October 29 Marco Chiodaroli
Penn State
Holographic Duals for Two-Dimensional 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 2T-Physics and the Implications for Space-Time and Universal Laws of Physics
Friday, November 26 No Seminar - Thanksgiving Holiday
Tuesday, November 30 Matteo Smerlak, ENS Lyon Bubble Divergences in State-Sum 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


Spring 2010

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 Soo-Jong 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
Multi-Field 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 4-Geometries
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


Fall 2009

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 D-3 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 Peccei-Quinn Mechanism in Gravity and the Dynamics of the
Axion-Like Barbero-ImmIrzi 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 Aharonov-Bohm 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 Postdam-Golm
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 Horava-Lifshitz 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 Born-Oppenheimer Decomposition for Quantum Fields on Quantum Spacetimes


Spring 2009

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 String-Inspired 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 Semi-Classical Issues, Part II



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