## Winter Term 2017/18

## Summer Term 2017

## 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

## 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 |