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Group Seminar


Summer Term 2017

Title Speaker Date
Unitary dynamics as a uniqueness criterion for the quantization of Dirac fields Dr. Beatriz Elizaga de Navascues (Instituto de Estructura de la Materia, CSIC) July 26
TBA Dr. Antonia Zipfel (Florida Atlantic University, USA) July 26
Finite Projective Geometry as a Quantum World with Elementary Particles Prof. Klaus Mecke (FAU) July 25
Loops17: Analysis Thomas Thiemann (FAU) July 12
Talks Loops'17 Several July 05
Uniqueness of the Representation in Homogeneous Isotropic LQC Prof. Jonathan Engle (Florida Atlantic University) June 28
Geometry, constraints and boundaries. It takes three to tango. Juan Margalef (Universidad Carlos III de Madrid, Spain) June 21
Modern Classification of Knot Invariants Klaus Liegener (FAU) June 14
A non-singular cosmic super-bounce Dr. Michael Koehn (FAU) June 08
Feasibility of probing the quantum universe dynamics through midisuperspaces in loop quantization. Dr. Tomasz Pawlowski (University of Warsaw) May 31
About non standard boundary conditions Juan Margalef (Universidad Carlos III de Madrid, Spain) April 05

Winter Term 2016/17

Title Speaker Date
Geometrical Clocks in Cosmological Perturbation Theory Adrian Herzog (FAU Erlangen, Germany) March 22
The Schrödinger equation of the polarized three-torus Gowdy model in algebraic quantum gravity Andreas Leitherer (FAU Erlangen, Germany) March 15
Towards a Hartle-Hawking state for loop quantum gravity Satya Dhandhukiya (FAU Erlangen-Nürnberg) February 24
Deformed Poincare Group of an Observer Prof. Dr. Jerzy Lewandowski (Warsaw University) February 07
State refinements and coarse graining in a full theory embedding of loop quantum cosmology Dr. Norbert Bodendorfer (LMU) December 14
Renormalization of hypercuboidal spin foams Dr. Sebastian Steinhaus (Hamburg University) December 07
Polarization-less quantization of free field theories Dr. Suzanne Lanery (Centro de Ciencias Matematicas UNAM, Campus Morelia) October 18

Summer Term 2016

Title Speaker Date
On the compatibility of black hole area spectra with quasinormal mode frequencies in loop quantum gravity Benjamin Lotter (FAU Erlangen-Nürnberg) September 30
Perturbative canonical gravitational dynamics for birefringent spacetimes Nadine Stritzelberger (FAU Erlangen, Germany) July 14
The Erlangen Programme and General Relativity Dr. Derek Wise (Concordia U., USA) May 31
Kinematical uniqueness of loop quantum cosmology Prof. Dr. Jon Engle (Florida Atlantic University, USA) May 11
Perturbative solution of construction equations: general method and application Alexander Wierzba (Ludwig-Maximilian Universität) April 08

Winter Term 2015/16

Title Speaker Date
Construction equations for cosmologically symmetric area metric gravity Maximilian Düll (FAU Erlangen, Germany) March 09
Dynamical wave function reduction theories and various open issues at the interface between gravitation and quantum theory Prof. Dr. Daniel Sudarsky (UNAM Mexico City) February 22
Heat kernel coherent states on SU(3) Thorsten Lang (FAU Erlangen, Germany) October 27
Quantum Gravity: rainbows and other ideas Andrea Dapor (FAU Erlangen, Germany) October 20
Geometric properties of the Livine-Speziale coherent intertwiner [Bachelor defense] Robert Seeger (FAU Erlangen-Nürnberg) October 16
Projective State Spaces for Theories of Connections [PhD defence] Suzanne Lanéry (IQG, FAU Erlangen, Germany) October 09

Summer Term 2015

Title Speaker Date
Quantum Tetrahedron and Loop Quantum Gravity:The Monochromatic Four-Vertex Konstantin Eder (FAU Erlangen, Germany) September 18
The Physical Hamiltonian of the Gowdy Model in Algebraic Quantum Gravity Benedikt Böhm (FAU Erlangen, Germany) September 17
Algebraic Loop Quantisation of the Gowdy Model: The Master Constraint Nils Alex (FAU Erlangen, Germany) September 17
On Spatially Diffeomorphism Invariant Quantizations of the Bosonic String Florian Wolz (FAU Erlangen, Germany) September 17
Homogeneity and Isotropy in non-embedded LQG Dr. Jonathan Engle (Florida Atlantic University) July 22
On the Embedding of Quantum Field Theory on Curved Spacetimes into Loop Quantum Gravity [PhD defence] Alexander Stottmeister (IQG, FAU Erlangen, Germany) July 15

Winter Term 2014/15

Title Speaker Date
Masterkolloquium: Psi-epistemic hidden variable theories Markus Frembs (FAU Erlangen, Germany) January 19
First-order Dipole Cosmology in the limit of large volume of the universe Dr. Marcin Kisielowski (FAU Erlangen, Germany) January 14
Symmetry reductions in loop quantum gravity based on classical gauge fixings (blackboard talk) Dr. Norbert Bodendorfer (University of Warsaw) January 07
Towards the Turaev-Viro amplitudes from a Hamiltonian constraint Dr. Maïté Dupuis (University of Waterloo) December 17
Quantum theory and spacetime: an operational perspective Dr. Markus Müller (Universität Heidelberg) December 09
Discrete quantum geometries and their effective dimension Johannes Thürigen (MPI für Gravitationsphysik) December 03
Chern-Simons Theory, Flat Connections and 4d Quantum Geometry Prof. Muxin Han (FAU Erlangen, Germany) November 19
How the dynamics of matter determines the dynamics of gravity Dr. Frederic Schuller (IQG, FAU Erlangen) October 08
Geometrische Eigenschaften der Verschränkungsentropie in der Loop-Quantengravitation (Bachelorkolloquium, in German) Nadine Stritzelberger (FAU IQG) October 01

Summer Term 2014

Title Speaker Date
Gaussian measures and representations of the holonomy-flux algebra Stefan Nekovar (IQG FAU Erlangen) September 22
Effective formulations for (canonical) Quantum Theories Suddhasattwa Brahma (Pennsylvania State University) September 22
Towards the fundamental spectrum of Quantum Yang-Mills Theory (Master Colloquium) Klaus Liegener (IQG, FAU Erlangen) June 25
Turaev-Viro amplitudes from 2+1 Loop Quantum Gravity Dr. Daniele Pranzetti (IQG, FAU Erlangen) June 04
A Larger State Space for LQG Suzanne Lanéry (IQG, FAU Erlangen) May 21
Regge state-sum models of quantum gravity Dr. Aleksandar Mikovic (Lusófona University and GFM - University of Lisbon) May 14
The Large-Volume Limit of a Quantum Tetrahedron is a Quantum Harmonic Oscillator Prof. John Schliemann (Universität Regensburg) April 16

Winter Term 2013/14

Title Speaker Date
Geometry of 4-valent spin networks with spin 1/2 (Bachelorkolloquium) Henning Stumpf (FAU IQG) February 03
Semiclassical perturbation theory within loop quantum gravity (Masterkolloquium) David Winnekens (FAU IQG) February 03
What is the hydrogen atom of quantum field theory Prof. Michael Thies (IQG, FAU Erlangen) January 16
Classically Consistent Theories of Interacting Spin-2 Fields Angnis Schmidt-May (Stockholm University) December 18
Mode decomposition and Fourier analysis of physical fields in homogeneous cosmology Dr. Zhirayr Avetisyan (MPI Leipzig) December 16
Locality in Causal Sets Lisa Glaser (Nils Bohr Institute) December 16
Nonperturbative Renormalization Group approaches to quantum gravity Dr. Astrid Eichhorn (Perimeter Institute for Theoretical Physics) December 10
Refinement limit of spin net / spin foam models with quantum groups Sebastian Steinhaus (Perimeter Institute) December 09
The quantization of submanifold embeddings Dr. Jochen Zahn (Universität Wien) December 06
Time dependent solutions of the massless Gross-Neveu model (PhD defence) Christian Fitzner December 06
Exact evaluations of coherent spin networks and spin foams Jeff Hnybida (Perimeter Institute) December 05
Null Twisted Geometry Mingyi Zhang December 04
Gauge Symmetric Higher derivative theories Biswajit Paul (S.N.Bose National Centre for Basic Sciences, Kolkata, India) November 20
Deformed Phase Space for 3d gravity Dr. Maïté Dupuis (University of Waterloo) November 19
Higher dimensional and supersymmetric extensions of loop quantum gravity (PhD defence) Andreas Thurn (IQG, FAU Erlangen) November 15
Cosmology with group field theory condensates Dr. Steffen Gielen (Perimeter Institute) November 13
Symmetry Reducing Loop Quantum Gravity Maximillian Hanusch (Universität Paderborn) October 30
General covariant foundations of quantum theory: The general boundary formulation Prof. Robert Oeckl (Centro de Ciencias Matemáticas, UNAM Morelia, Mexico) October 23
Topological parameters in gravity Dr. Sandipan Sengupta (Raman Research Institute, Bangalore, India) October 09

Summer Term 2013

Title Speaker Date
Tensor operators in LQG Dr. Florian Girelli (University of Waterloo) June 26
Tensor operators for the Lorentz group in (2+1) loop quantum gravity Giuseppe Sellaroli (University of Waterloo) June 19
Relational Evolution of Observables for Hamiltonian-Constrained Systems Prof. Jerzy Lewandowski (University of Warsaw) May 15
Segal's axioms of a Conformal Field Theory Stefan Wiedenmann (FAU Erlangen-Nürnberg) May 06
Loop quantisation of supergravity theories (PhD defence) Norbert Bodendorfer (PennState University) April 30
Unbroken Discrete Supersymmetry Dr. Gerhart Seidl (FAU Erlangen) April 24
Dynamical evaporation of quantum horizons Dr. Daniel Pranzetti (Max-Planck-Instistute for Gravitational Physics, Potsdam) April 17

Winter Term 2012/13

Title Speaker Date
Manifestly gauge-invariant cosmological perturbation theory Thomas Zilker (IQG Erlangen) March 27
Quantum Mechanics in the Polymer Particle Representation Thorsten Reichert (IQG, Uni Erlangen) February 08
Symmetric Subsets of the LQG Configuration Space Prof. Christian Fleischhack (Universität Paderborn) January 28
Transition amplitude in Dipole Cosmology: first order calculations Marcin Kisielowski (University of Warsaw) January 22
From Finslerian time measures to Finsler geometric gravity Christian Pfeifer (Universität Hamburg) January 22
Shape Dynamics Dr. Tim Koslowski (University of New Brunswick, Fredericton, Canada) December 19
Topics in LQC Miguel Campiglia (Institute for Gravitation and the Cosmos, Pennstate University) December 05
Multimetric cosmology and structure formation Dr. Manuel Hohmann (Tartu University) November 21
Complete quantization of an inflationary scenario with scalar perturbations Mikel Fernández Méndez (Instituto de Estructura de la Materia - CSIC) November 21

Summer Term 2012

Title Speaker Date
Black hole complementarity controversy: Firewall or not? Dr. Dong-han Yeom September 18
General relativity on observer space Dr. Steffen Gielen (Perimeter Institute) August 22
Cartan Geometrodynamics Dr. Derek Wise (FAU Erlangen) August 16
Inhomogeneous Universe in LQG Dr. Emanuele Alesci & Dr. Francesco Cianfrani (FAU Erlangen) July 12
Loop quantization of scalar-tensor gravity and its cosmological application Prof. Yongge Ma (Beijing Normal University) June 28
A local Hamiltonian for spherically symmetric gravity coupled to a scalar field Prof. Jorge Pullin (Louisiana State University) June 20
Discrete Symmetries in Covariant LQG Dr. Edward Wilson-Ewing (CPT Marseille) June 20
Modified Plebanski actions and ghost-free massive gravity Dr. Simone Speziale (CPT Marseille) June 13
Cartan waywiser geometry and its application to the standard model Dr. Hans Westmann (Perimeter Institute) June 05
The twistorial structure of spinfoam transistion amplitudes Wolfgang Wieland (CPT Marseille) June 04
Solving the Euclidean Scalar Constraints by Spin-Foam Methods Antonia Zipfel (FAU Erlangen) May 31
Plebanski sectors of spin-foam models Dr. Jonathan Engle (Florida Atlantic University) May 30
Feynman graphs and Spin Foams Prof. Jerzy Lewandowski (University of Warsaw) May 03
Quantum Field Theory on Quantum Bianchi Spacetimes Andrea Dapor (University of Warsaw) May 02
Ab initio calculations in the 5-nucleon system Prof. Hartmut M. Hofmann (FAU Erlangen) April 17

Winter Term 2011/12

Title Speaker Date
Chern-Simons Theory, Vassiliev- Kontsevich Invariant, and Spinfoam Quantum Gravity Dr. Muxin Han (CPT Marseille) November 23
Superstrings, higher gauge theory, and division algebras John Huerta (Australian National University) November 23
Asymptotics of Spinfoam Amplitude on Simplicial Manifold Dr. Muxin Han (CPT Marseille) November 22
Constraint Rescaling in Refined Algebraic Quantisation: A study including open algebras Eric Martinez-Pascual (University of Nottingham) November 15