presentations

invited reviews

new ideas on dark matter, DPG spring meeting, 2021
large-scale structure of spacetime, workshop "The Fate and Fortune of Cosmology", Heidelberg, 2019
cosmology with nonlinear structures, workshop "current challenges in cosmology", Bogota, Colombia, 2018
cosmology with Gaussian and non-Gaussian structures, meeting on cosmology, Tehran, Iran, 2017
dark matter, dark energy and dark statistics, workshop "Why trust a theory?", Munich, 2015
dark energy and the integrated Sachs-Wolfe effect, annual meeting of the German astronomical society, Potsdam, 2010

contributed presentations

theory of intrinsic alignments, intrinsic alignment workshop, Lorentz Centre, with Robert Reischke, 2023
gravitational lensing - past, present and future, Santander, 2020
axions in the sky, HeiKA-day, Heidelberg, with Thomas Schwetz-Mangold, 2019
Bayesian inference in cosmology (and beyond), isoQUANT workshop, Heidelberg, 2018
(primordial) black holes, dark matter cluster workshop, Karlsruhe, 2016
galaxy ellipticities as cosmological probes, workshop gravity on the largest scales, Heidelberg, 2015
intrinsic alignments and weak gravitational lensing, ISSI-workshop on intrinsic alignments, Bern, Switzerland, 2015
intrinsic alignments from angular momentum models, ISSI-workshop on intrinsic alignments, Bern, Switzerland, 2014
angular momenta of galaxies and intrinsic alignments, lensing workshop, Nice, France, 2013
developments in intrinsic alignment models and their implications for weak lensing, lensing workshop, Marseille, France, 2013
cosmic large-scale structure statistics and their relation to fundamental physics, symposium on fundamental physics, Heidelberg, 2012
cosmic structure formation - theory, probes and parameters, cosmology workshop, Durham, UK, 2011
galactic angular momentum couplings in the large-scale structure, SPP1177 workshop, Bonn, 2011
cosmic structure formation - theory, probes and applications, symposium on structure formation, Goettingen, 2010
Angular momentum correlation correlations and implications for weak lensing, UCL-workshop on intrinsic alignments, London, UK, 2008
status report - nonlinear iSW-effect, Planck-meeting, Orsay, France, 2008
the integrated Sachs-Wolfe bispectrum and its detectability with PLANCK, LAT-workshop, Toulouse, France, 2008
galactic angular momenta and angular momentum correlations in the large-scale structure, IUCAA, Pune, India, 2008
spherical collapse and cluster abundance in modified gravity, cluster workshop, Heidelberg, 2008
status report - iSW parameter estimation, Planck-workshop, Bologna, Italy, 2008
status report - Rees-Sciama effect, Planck-workshop, Bologna, Italy, 2008
nonlinear iSW-effect and dark energy, Planck-meeting, Heidelberg, 2007
morphological redshift estimates for SZ-clusters, data analysis in cosmology, Santander, Spain, 2007
weak gravitational flexions from nonlinearly evolving density fields, workshop on higher order statistics in cosmology, Portsmouth, UK, 2007
nonlinear iSW-effect and structure formation, Planck-meeting, Orsay, France, 2007
gravitational Faraday rotation of the CMB polarisation, Oort workshop, Leiden, The Netherlands, 2006
gravitational Faraday rotation of the CMB polarisation, UK cosmo meeting, Ambleside, UK, 2006
Optimised detection of Sunyaev-Zel'dovich clusters with PLANCK, workshop "SZ-effect and ALMA", Institut d'Astrophysique Spatiale, Orsay, France, 2005
gravitational lensing ray-tracing on cosmological simulations, VIRGO meeting, Max-Planck Institut for Astrophysics, Garching, 2005
Gravitomagnetic lensing and the integrated Sachs-Wolfe effect, UK cosmo meeting, Cambridge, UK, 2005

seminar talks

Bayesian inference meets statistical physics, institute colloquium, ZAH, Heidelberg, 2025
statistical physics of Bayesian inference, institute colloquium, USM, Munich, 2025
statistical mechanics meets Bayesian inference and normalising flows, Machine Learning Galore, Heidelberg, 2025
Bayesian inference with ideas from statistical physics, institute colloquium, IAP, Paris, France, 2024
dark matter, dark energy and dark statistics, physics colloquium, Siegen, 2024
information entropies, DLR seminar, Ulm, 2024
MCMC - doing statistics with physics, IWR-colloquium, IWR Heidelberg, 2023
inference in cosmology with partition functions, Teilchentee, ITP Heidelberg, 2023
gravitational wave events versus the background, cosmology seminar, ITP Heidelberg, 2023
partition functions in cosmological inference problems, cosmology seminar, ITP Heidelberg, 2023
intrinsic alignments beyond Gaussian statistics, lensing seminar, LMU Munich, 2023
information entropy and geometry, institute seminar, LMU Munich, 2023
information geometry in cosmology, institute seminar, Ruhr-Uni Bochum, 2022
neutrinos in cosmology, KIP Heidelberg, 2021
What’s inside the box? New methods for looking at cosmological data!, Jour Fixe, STRUCTURES-cluster, Heidelberg, 2021
axions in astrophysical potentials, IFCA Santander, 2020
gravitational lensing - from distorted galaxy images to cosmology, PRISM-seminar, Mainz, 2020
black hole physics with SKA, particle physics seminar, Heidelberg, 2020
overview 21cm-cosmology, particle physics seminar, Heidelberg, 2020
probing the structure of spacetime - apples, light and waves, Max-Planck-Institute for Nuclear Physics, Heidelberg, 2020
inference and information entropies in cosmology, cosmology, Institute for theoretical physics, Heidelberg, 2019
from tidal interactions of galaxies to weak lensing, institute seminar, Observatoire de la Cote d'Azur, Nice, France, 2019
quantifying non-Gaussianities and extracting their information, institute seminar, Universidad de Valle, Cali, Colombia, 2019
intrinsic alignments of galaxie in weak lensing data, institute seminar, Max-Planck-Institute for Astrophysics, Garching, 2019
information content of nonlinear cosmic structures, institute seminar, Euskal Herriko Unibertsitatea, Donostia, Spain, 2019
weak lensing and intrinsic alignments - problem or chance?, institute seminar, Euskal Herriko Unibertsitatea, Donostia, Spain, 2019
information content of nonlinear cosmic structures, institute seminar, IFCA Santander, Spain, 2019
(non)Gaussian lensing of a (non)Gaussian CMB, physics colloquium, Geneva, Switzerland, 2019
weak lensing and intrinsic alignments of galaxies, institute seminar, Zentrum für angewandte Raumfahrttechnologie und Mikrogravitation, Bremen, 2019
(non)Gaussian lensing of a (non)Gaussian cosmic microwave background, cosmology seminar, University of Sydney, Sydney, Australia, 2018
intrinsic alignment of galaxies - problem or possibility?, physics colloquium, University of Tasmania, Hobart, Australia, 2018
cosmology from weak gravitational lensing, cosmology seminar, University of New South Wales, Sydney, Australia, 2018
weak lensing, intrinsic alignments, and cosmological inference, physics colloquium, Geneva, Switzerland, 2018
how to squeeze information out of weak lensing and how to get it wrong, cosmology seminar, Technion, Haifa, Israel, 2018
how to squeeze information out of weak lensing and how to get it wrong, cosmology seminar, Hebrew University, Jerusalem, Israel, 2018
weak cosmic lensing and the intrinsic alignments of galaxies, University of New South Wales, Sydney, Australia, 2017
CMB-lensing on nonlinear and non-Gaussian structures, University of Auckland, New Zealand, 2017
what we can learn from weak gravitational lensing and why it is difficult, University of Auckland, New Zealand, 2017
weak cosmic lensing and the intrinsic alignments of galaxies, University of Sydney, Australia, 2017
intrinsic alignments as a weak lensing contaminant, Institut d'Astrophysique de Paris, Paris, France, 2017
CMB-lensing on nonlinear and non-Gaussian structures, ARI Heidelberg, 2017
intrinsically aligned galaxies in weak lensing data, Centre for Astronomy, Heidelberg, 2017
weak gravitational lensing and intrinsic alignments of galaxies, Imperial College, London, UK, 2016
cosmology and astronomy with PLANCK, Freiburg, 2015
gravity, fluids and statistics, PRISM-seminar, Mainz, 2015
cosmology and astronomy with PLANCK, PRISM-seminar, Mainz, 2015
learning more from lensing surveys than gravitational lensing, ITP Heidelberg, 2015
swarms of Fisher-matrices, ITA Heidelberg, 2015
intrinsic alignments of galaxies and weak lensing, ARI-Heidelberg, 2015
cosmology and astronomy with PLANCK, Max-Planck-Institute for nuclear physics, 2014
squeezing information out of weak lensing surveys, IFCA, Santander, Spain, 2014
intrinsic alignments in weak lensing surveys, CEFCA, Teruel, Spain, 2014
Why do galaxies rotate?!?, student days, Heidelberg, 2013
Is the Universe really so large?!?, student days, Heidelberg, 2013
cosmology and astronomy with the PLANCK-surveyor, astronomy colloquium, Heidelberg, 2013
PLANCK - Was lernt man aus der Temperatur des Himmels?, physics colloquium, Heidelberg, 2013
squeezing information from weak lensing surveys, Max-Planck-Institute for Astronomy, 2013
ellipticity alignments of galaxies and weak gravitational lensing, ARI, Heidelberg, 2012
Brownian engines and the second law of thermodynamics, habilitation talk, Heidelberg, 2012
ellipticity alignments of galaxies and weak gravitational lensing, University Observatory, Munich, 2012
muscles as thermodynamic engines, ITA, Heidelberg, 2012
ellipticity alignments of galaxies and weak gravitational lensing, Department de la Physique Theorique, Geneva, Switzerland, 2012
ellipticity alignments of galaxies and their interplay with weak lensing, ESTEC Nordwijk and Leiden University, The Netherlands, 2012
squeezing information out of weak lensing surveys, ITP Heidelberg, 2012
intrinsic alignments of galaxies and weak gravitational lensing, evaluation of the Centre of Astronomy, Heidelberg, 2011
weak lensing tomography, ITA, Heidelberg, 2011
life as a junior research group leader, DFG evalutation seminar, Bonn, 2011
Born-approximation in weak lensing, Max-Planck-Institute for Astronomy, Heidelberg, 2010
angular momentum buildup in spiral galaxies, ARI, Heidelberg, 2010
angular momentum couplings and intrinsic alignments, ITA, Heidelberg, 2010
fun with flexions, ITA, Heidelberg, 2009
intrinsic alignments of galaxies as a weak lensing contaminant, Bonn, 2009
novel methods for observing the evolution of cosmic structures, CNRS-concours 2009, Paris, France, 2009
CMB anisotropies, ARI, Heidelberg, 2009
nonlinear integrated Sachs-Wolfe effect, IFCA, Santander, Spain, 2009
La polarisation du fond diffus cosmologique, Institut d'astrophysique Spatiale, Orsay, France, 2009
Alignements intrinseques et le lentillage gravitationel, APC, Paris, France, 2009
angular momentum correlations and intrinsic alignments in weak lensing, Institut d'astrophysique Spatiale, Orsay, France, 2009
weak lensing in the presence of intrinsic alignments, Max-Planck-Institute for Astronomy, Heidelberg, 2009
non-Gaussianities in the CMB and their detection, ITA, Heidelberg, 2009
recent developments in the integrated Sachs-Wolfe effect, ECAP seminar, Erlangen, 2009
gravitational lensing and integrated Sachs-Wolfe effect, ARI, Heidelberg, 2009
theory of the integrated Sachs-Wolfe effect, joint IAS/CEA meeting, Orsay, France, 2008
spherical collapse and cluster abundance in modified gravity, ITP Heidelberg, 2008
Angular momentum correlations in the large-scale structure, Institut d'astrophysique spatiale, Orsay, France, 2008
observational probes for cosmic structure formation, CNRS-concours, Paris, France, 2008
C'est quoi, l'energie sombre?, Institut d'astrophysique spatiale, Orsay, France, 2008
cosmological angular momentum correlations and gravitational Faraday rotation, ICG Portsmouth, UK, 2007
observational probes of cosmological structure formation, Centre for Astronomy, Heidelberg, 2007
angular momentum content of the large-scale structure and gravitational Faraday rotation, Imperial College, London, UK, 2007
angular momentum content of the large-scale structure and gravitational Faraday rotation, University of Sussex, Brighton, UK, 2007
angular momentum correlations in the large-scale structure intrinsic ellipticity alignments, IAP lensing seminar, Paris, France, 2007
Gravitomagnetic lensing and the dynamics of structure formation, Imperial College, London, UK, 2006
Simulated SZ-observations with the PLANCK-surveyor, Cavendish laboratory, Cambridge, UK, 2006
gravitational lensing ray-tracing on cosmological simulations, ICG, Portsmouth, UK, 2006
gravitational Faraday rotation of the CMB polarisation by the large-scale structure, ITA, Heidelberg, 2006
gravitational Faraday rotation of the CMB polarisation, CITA, Toronto, Canada, 2006
gravitational Faraday rotation of the CMB polarisation, McGill University, Montreal, Canada, 2006
Observing Sunyaev-Zel'dovich clusters with PLANCK, Max-Planck Institut for Astrophysics, Garching, 2005
Secondary anisotropies with PLANCK - Sunyaev-Zel'dovich clusters, PLANCK meeting, Max-Planck Institut for Astrophysics, Garching, 2005
Gravitomagnetic lensing and the integrated Sachs-Wolfe effect, Max-Planck Institut for Astrophysics, Garching, 2005
Gravitomagnetic corrections to weak cosmological lensing, ESO lensing seminar, Garching,
Gravitomagnetism and the integrated Sachs-Wolfe effect, ICG Portsmouth, UK, 2005
Great expectations - PLANCK + Sunyaev-Zel'dovich clusters, Max-Planck Institut for Astrophysics, Garching, 2005
Gravitomagnetic lensing and the dynamics of structure formation, University of Sussex, Brighton, UK, 2005
Observing Sunyaev-Zel'dovich clusters of galaxies with PLANCK, SOPHIA-University, Tokyo, Japan, 2005
Clusters of galaxies - Sunyaev-Zel'dovich effect vs. X-rays, RIKEN-Institute, Tokyo, Japan, 2005
Gravitomagnetism and the dynamics of structure formation, National Astronomical Observatory, Tokyo, Japan, 2005
Clusters of galaxies - Sunyaev-Zel'dovich effect vs. X-rays, Nihon University, Tokyo, Japan, 2005
Observing Sunyaev-Zel'dovich clusters with PLANCK, Observatoire Midi-Pyrénées, Toulouse, France, 2004
Simulating Sunyaev-Zel'dovich observations for PLANCK, Institut für theoretische Astrophysik, Heidelberg, 2003
Morphological redshifts for Sunyaev-Zel'dovich clusters, Max-Planck Institut for Astrophysics, Garching, 2003
Reconstruction of gamma-ray burst positions with HETE-2, Max-Planck Institut for Astrophysics, Garching, 2001
Reconstruction of gamma-ray burst positions with HETE-2, Universität Tübingen, 2001
Reconstruction of gamma-ray burst positions with HETE-2, DESY Zeuthen, 2001
Reconstruction of gamma-ray burst positions with HETE-2, Max-Planck-Institute for extraterrestrial physics, Garching, 2001
particle identification in gamma-ray astronomy with the HEGRA Cerenkov-telescopes, Max-Planck-Institute for nuclear physics, Heidelberg, 2000