Talks

2017

Calculation of optical spectra
   "REST in Paris. Common problems and solutions in core and valence theoretical spectroscopies", Sorbonne Université, Paris, France, 7-8 December 2017
           pdf-file

2016

Multiplication of distributions
   "Paths to, from and in renormalization", Potsdam University, 8-12 February 2016
           pdf-file

2014

Noncommutative version of Borcherds' approach to QFT
   "Frontiers of Fundamental Physics 14", Aix Marseille Université, 15-18 July 2014
           pdf-file

The main operations in D'_\Gamma,
   "Algebraic Quantum Field Theory: its status and its future", Erwin Schrodinger Institute, University of Vienna, 19-23 May 2014
           pdf-file

2013

S-matrix and renormalization,
   "Renormalisation from Quantum Field Theory to Random and Dynamical Systems", Department of Mathematics, University of Potsdam, 6-9 November 2013
           pdf-file

Green function theory of renormalized QED,
   CECAM workshop on Green's function methods: the next generation, CFCAM-GSO, University Paul Sabatier, Toulouse, 4 June - 7 June 2013
           pdf-file

2012

Geometric Hopf theory of quantum fields in curved spacetimes,
   Conference on Mathematical Aspects of Quantum Field Theory and Quantum Statistical Mechanics, Institute for Theoretical Physics, Hamburg University, July 30 to August 1, 2012
           pdf-file

Quantum field theory on curved spacetimes,
   Conference on the Combinatorics of Mathematical Renormalization, Institut des Hautes Etudes Scientifiques, Bures sur Yvette, 27 February 2012,
           pdf-file

2011

On the imaging of ultra-weak photon emission,
   Fifth ultra-weak photon emission research workshop, Institute of Biophysics, Olomouc, Czeck Republic 7-8 October 2011, 8 October 2011
           pdf-file
          

Renormalized quantum field theory on posets,
   Dyson-Schwinger equations and Faa di Bruno Hopf algebras in physics and combinatorics, IRMA, Strasbourg, June 27 - July 1, 2011, 27 June 2011
           rqft-poset.pdf
          

Autoluminescence des cellules vivantes,
   FEMTO-ST, 22 mars 2011
           autoluminescence.pdf
          

Bioluminescence et autoluminescence,
   IMPMC, 24 janvier 2011
           autoluminescence.pdf
          

2010

Quantum field theory based on a noncommutative normal product,
   Seminar Quantum field theory and mathematical physics, Institute for theoretical physics, Hamburg University, 29 juin 2010
           agft.pdf
          

Influence des vibrations sur les seuils d'absorption X,
   Seminaire Stan, Ecole des mines de Nancy, 28 janvier 2010
           vibnancy.pdf
          

De l'algebre de Hopf des polynomes a celle de la renormalisation,
   Seminaire Combinatoire, informatique et physique, Universite Paris-Nord, 12 janvier 2010
           ChBVilletaneuse.pdf
          

2005

Calculations of x-ray absorption spectra,
   Spectroscopies d'électrons et diffusion inélastique en matière condensée: vers une meilleure
   compréhension des effets de corrélation, Synchrotron Soleil, Saint-Aubin, 3-4 November 2005
           xanesoleil.ppt
          
Green functions for open-shell systems,
   Mathematical Methods for ab initio Quantum Chemistry, University of Nice, 18-19 November 2005
           nice.pdf
          

2006

2007

Exponential localization of Wannier functions,
   Maximally localized Wannier functions: Concepts, applications and beyond,
    Lyon, 27-29 June 2007
           lyon.pdf
          

The structure of Green functions in quantum field theory with a general state,
   Recent developments in quantum field theory,
    Leipzig, 20-22 July 2007
           leipzig.pdf
          

2008

2009