**Cosmo:** Wednesday, 02/10/2024, 11:00

**Rodrigo Calderon Bruni** (CEICO, FZU-CAS, Prague)

Challenging the ΛCDM Paradigm: Dark Energy, DESI BAO, and the "Cosmic Calibration Tension"

**Strings:** Monday, 26/08/2024, 14:00, Room 226

**Matthew Blacker** (DAMTP, Cambridge)

* Cosmological Wheeler DeWitt States and their Holographic Interpretation*

**Strings:** Monday, 05/08/2024, 14:00, Room 226

**Sebastian Murk** (OIST, Okinawa)

*Light rings and causality for nonsingular ultracompact objects sourced by nonlinear electrodynamics*

**Cosmo:** Wednesday, 17/07/2024, 11:00

**Robert Brandenberger** (McGill University, Montreal)

Searching for Cosmic Strings in New Observational Windows

**Cosmo:** Wednesday, 10/07/2024, 11:00

**Diana López Nacir** (Universidad de Buenos Aires, Buenos Aires)

*Ultralight vector dark matter, anisotropies and cosmological adiabatic modes*

**Strings:** Monday, 17/06/2024, 14:00

**Tung Tran** (University of Vienna, Vienna)

*Quantum higher-spin Yang-Mills from the IKKT matrix model*

**Strings:** Thursday, 13/06/2024, 14:00

**Daniel Junghans** (TU Wien, Vienna)

*Problems with de Sitter in string theory*

**Cosmo:** Wednesday, 12/06/2024, 11:00

**Markus Fröb** (University of Leipzig, Leipzig)

*Invariant observables in quantum gravity and graviton loop corrections to the Hubble rate and the Newtonian potential*

**Cosmo:** Thursday, 06/06/2024, 15:00

**Tony Padilla** (Nottingham University)

*From number theory to QFT (and beyond)*

**Cosmo:** Wednesday, 05/06/2024, 11:00

**Florian Kühnel** (Max Planck Institute, Munich)

*Primordial Black Holes - Positivist Perspective and Quantum Quiddity*

**Cosmo:** Thursday, 30/05/2024, 15:00

**Oleg Zaslavskii** (Kharkiv National University)

*Black-hole bomb, confined Penrose process and particle decay near singularity*

**Cosmo:** Wednesday, 29/05/2024, 11:00

**Nicola Menadeo** (Max Planck Institute, Potsdam)

*Lensing of gravitational waves beyond General Relativity*

**Strings:** Monday, 27/05/2024, 14:00

**Libor Snobl** (Czech Technical University, Prague)

* Pairs of commuting quadratic elements in the enveloping algebra and integrable systems with magnetic fields*

**Cosmo:** Wednesday, 22/05/2024, 11:00

**Angelica Albertini** (Astronomical Institute of the Czech Academy of Sciences, Prague)

*An effective-one-body gravitational waveform model for large-mass-ratio inspiralling black hole binaries*

**Strings:** Monday, 20/05/2024, 14:00

**Marcello Ortaggio** (Institute of Mathematics of the Czech Academy of Sciences, Prague)

* A new look at AdS black holes with conformal scalar hair*

**Cosmo:** Wednesday, 15/05/2024, 11:00

**Giovanni D'Addario** (University of Nottingham, Nottingham)

*Ringdowns for black holes with scalar hair: the large mass case*

**Strings:** Monday, 06/05/2024, 14:00

**Filip Blaschke** (Silesian University, Opava and Czech Technical University, Prague)

*Amplitude modulations and resonant dynamics of oscillons in 1+1 dimensions*

**Strings:** Monday, 29/04/2024, 14:00

**Salomon Zacarias** (Masaryk University, Brno)

*Aspects of AdS(3) solutions and holography*

**Cosmo:** Wednesday, 24/04/2024, 11:00

**Massimiliano Maria Riva** (DESY, Hamburg)

*Vanishing of Nonlinear Tidal Love Numbers of Schwarzschild Black Holes*

**Cosmo:** Wednesday, 17/04/2024, 11:00

**Amit Reza** (Space Research Institute, Graz)

*Machine Learning in Astrophysics: Pioneering the Dawn of a New Era*

**Strings:** Monday, 15/04/2024, 14:00

**Alena Pravdova** (Institute of Mathematics of the Czech Academy of Sciences, Prague)

*Kerr-Schild double copy for Kundt spacetimes of any dimension*

**Cosmo:** Wednesday, 10/04/2024, 11:00

**Vincent Vennin** (LPENS, Paris)

*Clustering of primordial black holes from quantum diffusion during inflation*

**Cosmo:** Wednesday, 03/04/2024, 11:00

**Oriol Pujolas** (IFAE, Barcelona)

*Primordial black holes from domain wall networks*

**Cosmo:** Wednesday, 27/03/2024, 11:00

**Jibril Ben Achour** (Arnold Sommerfeld Center for Theoretical Physics, Munich)

*Exploring nonlinear gravitational waves in Horndeski theory*

**Cosmo:** Wednesday, 13/03/2024, 11:00

**Zvonimir Vlah** (Ruđer Bošković Institute, Zagreb and KICC/DAMTP, Cambridge)

*Constructing cosmological observables in the sky*

**Cosmo:** Wednesday, 06/03/2024, 11:00

**Federico Lelli** (Arcetri Astrophysical Observatory)

*MOND: observational evidences and open challenges*

**Strings:** Monday, 04/03/2024, 14:00

**Ulisses Portugal** (IFT, Sao Paulo)

*A two parameter family of hyperbolic string vertices *

**Cosmo:** Wednesday, 28/02/2024, 11:00

**Harry Desmond** (ICG, Portsmouth)

*Four ways of looking at the Radial Acceleration Relation*

**Cosmo:** Wednesday, 21/02/2024, 11:00

**Paolo Creminelli** (ICTP, Trieste)

*Positivity Constraints on Lorentz-breaking EFTs*

**Cosmo:** Wednesday, 14/02/2024, 11:00

**Emilio Bellini** (SISSA, Trieste)

*Probing Gravity with Line Intensity Mapping*

**Strings:** Monday, 12/02/2024, 14:00, Room 226

**Christian Northe** (Ben-Gurion University, Israel)

*Entanglement Resolution and BCFT*

**Cosmo:** Wednesday, 07/02/2024, 11:00

**Erick Munive Villa and Jessica N. López Sánchez** (CEICO, FZU, Prague)

*Dark Matter Halos in the SFDM Model / The dynamics of astrophysical systems in numerical simulations*

**Cosmo:** Wednesday, 31/01/2024, 11:00

**Jakub Cehula** (Charles University, Prague)

*Theory of mass transfer in binary stars*

**Cosmo:** Wednesday, 24/01/2024, 11:00

**Denise Boncioli** (LNGS and Università dell'Aquila)

*Astrophysical and cosmogenic neutrinos: how to trace high-energy interactions in the Universe*

**Cosmo:** Wednesday, 17/01/2024, 11:00

**Jan Hamann** (UNSW, Sydney, Australia)

*Looking for inflationary features – the Bayesian way*

**Strings:** Monday, 15/01/2024, 14:00, Room 226

**Jakub Vosmera** (IPhT, Saclay, France)

*Topological defect lines in symmetric-product orbifolds and tensionless holography*

**Strings:** Monday, 18/12/2023, 14:00, Room 226

**Jan Pulmann** (University of Edinburgh, Scotland)

*Chern-Simons observables, Poisson structures and deformation quantization*

**Cosmo:** Wednesday, 13/12/2023, 15:15

**Matthew Lewandowski** (ETH Zürich, Institute of Theoretical Physics)

*The BOSS bispectrum analysis at one loop from the Effective Field Theory of Large-Scale Structure*

**Strings:** Monday, 11/12/2023, 14:00, Room 226

**Paolo Rossi** (CEICO, Institute of Physics, Czech Academy of Sciences & Charles University)

*Wormholes and surface defects in rational ensemble holography*

**Cosmo:** Wednesday, 29/11/2023, 11:00

**Santiago Casas** (Institute for Theoretical Particle Physics and Cosmology -- RWTH Aachen University)

*What will Large Scale Structure tell us about Dark Energy in the next decade?*

**Strings:** Monday, 27/11/2023, 14:00, Room 226

**Vit Tucek** (Huawei Technologies, Sweden)

*Grassmannian signalling*

**Cosmo:** Wednesday, 22/11/2023, 11:00

**Francesco di Filippo** (Charles University)

*Hearts of Darkness: Nonsingular Black Holes Beyond General Relativity*

**Strings:** Monday, 20/11/2023, 14:00, Room 226

**Petr Vasko** (Charles University)

*Introduction to celestial holography*

**Cosmo:** Wednesday, 15/11/2023, 11:00

**Francesca Calore** (LAPTH -- Laboratoire d'Annecy-le-Vieux de Physique Théorique -- CNRS)

*Probing light particles with high-energy astrophysics*

**Strings:** Monday, 13/11/2023, 14:00, Room 226

**David Kubiznak** (Charles University)

*Shall Bekenstein's Area Law Prevail ?*

**Strings:** Friday, 10/11/2023, 11:15, Room 226

**Shai Chester** (Imperial College, London)

*Gluon scattering in AdS at finite string coupling*

**Cosmo:** Wednesday, 08/11/2023, 11:00, Lecture Hall

**Michal Bilek** (LERMA -- Observatoire de Paris)

*Can the observation of globular clusters in low-mass galaxies exclude the MOND modified gravity theory?*

**Strings:** Monday, 06/11/2023, 14:00, Room 226

**Tomas Prochazka** (CEICO, Institute of Physics, Czech Academy of Sciences)

*Bethe equations and 2d conformal field theory*

**Cosmo:** Wednesday, 1/11/2023, 11:00, FZU main lecture hall

**Adam Pound** (University of Southampton)

*Progress in gravitational self-force theory: recent advances in modelling asymmetric binaries*

**Strings:** Monday, 30/10/2023, 14:00, Room 226

**Gideon Vos** (CEICO, Institute of Physics, Czech Academy of Sciences)

*Emergent KMS-states in 2d CFTs with large central charge*

**Cosmo: ** Wednesday, 25/10/2023, 11:00, Lecture Hall

**Ivana Ebrova ** (Institute of Physics, Czech Academy of Sciences)

* Stellar kinematics and merger histories of early-type galaxies in large-scale cosmological simulations and beyond *

**Cosmo:** Wednesday, 18/10/2023, 11:00, Solid-21

**Kara Farnsworth ** (University of Geneva)

*The Newman-Penrose Map and the Classical Double Copy *

**Strings:** Monday, 16/10/2023, 14:00, Room 226

**Canberk Sanli ** (CEICO, Institute of Physics, Czech Academy of Sciences)

*Superconformal index for quivers*

**Cosmo:** Wednesday, 04/10/2023, 11:00, Room 226

**Oyvind Christiansen ** (University of Oslo)

*Late-time domain walls in cosmological simulations*

**Strings:** Monday, 02/10/2023, 14:00, Room 226

**Ruggero Noris** (CEICO, Institute of Physics, Czech Academy of Sciences)

*Supergravity and the embedding tensor formalism *

**Cosmo:** Tuesday, 15/08/2023, 14:00

**Andrei Frolov** (Simon Fraser University, Canada)

*Classical mechanics with inequality constraints*

**Strings:** Tuesday, 08/08/2023, 14:00, Room 226

**Robert Brandenberger** (McGill University, Montreal)

*Emergent Metric Space-Time and Early Universe Cosmology from the BFSS Matrix Model *

**Strings:** Monday, 26/06/2023, 14:00, Room 226

**Siddharth Prabhu** (TIFR, Mumbai)

*Holography and boundary observables in asymptotically flat spacetimes *

**Cosmo:** Wednesday, 21/06/2023, 11:00, room 117

**Dina Traykova ** (Potsdam Max Planck Institute, Germany)

*Relativistic drag forces on black holes from scalar dark matter clouds*

**Strings:** Tuesday, 20/06/2023, 14:00, Room 226

**Jaroslav Trnka** (Charles University, Prague)

*Non-perturbative Amplituhedron Geometries*

**Cosmo:** Wednesday, 14/06/2023

**Mehrdad Mirbabayi** (ICTP, Italy)

*A lower bound on dark matter mass*

**Colloquium:** Tuesday, 13/06/2023

**Julio Navarro** (University of Victoria, Canada)

*Going Non-Linear: Contrasting LCDM with the internal properties of galaxies*

**Cosmo:** Wednesday, 07/06/2023

**Jiří Podolský** (Charles University, Prague)

*A new metric form of the whole class of type D black holes*

**Cosmo:** Wednesday, 31/05/2023

**Adolfo Cisterna** (Universidad de Tarapacá, Chile)

*Ehlers Transformations as a Tool for Constructing Accelerating NUT Black Holes*

**Cosmo:** Wednesday, 24/05/2023

**Jorge Ovalle** (Silesian University, Opava)

*Black holes without Cauchy horizons and integrable singularities*

**Cosmo:** Wednesday, 10/05/2023

**Arttu Rajantie** (Imperial College London)

*Stochastic effective theory for scalar fields in de Sitter space*

**Cosmo:** Wednesday, 03/05/2023

**Luca Santoni** (APC, Paris)

*Dissipative Inflation with Scalar Particle Production*

**Strings:** Tuesday, 02/05/2023, 14:00, room 226

**Ido Ben-Dayan** (Ariel University, Israel)

*New themes in Cosmology*

**Cosmo:** Wednesday, 26/04/2023, 11:00, main lecture hall

**Juan Manuel Armaleo** (Universidad de Buenos Aires, Argentina)

*Probing spin-2 Ultra-Light Dark Matter (ULDM) with pulsars and gravitational waves*

**Cosmo:** Wednesday, 19/04/2023

**Stéphane Ilić** (IJCLab, France)

*More than the sum of its parts: joint analysis of LSS and CMB experiments*

**Strings:** Monday, 17/04/2023, 14:00, room 226

**Alfredo Iorio** (Charles University, Prague)

*The three 'layers' of graphene monolayer and their analog GUPs (continued)*

**Cosmo:** Wednesday, 12/04/2023, 11:00, lecture hall

**Nicolas Lecoeur** (IJCLab, France)

*Selecting Horndeski theories without apparent symmetries and their black hole solutions*

**Strings:** Monday, 03/04/2023, 14:00, room 226

**Igor Khavkine** (Institute of Mathematics, Prague)

*A look at the geometry of the 5-dimensional charged rotating black hole*

**Cosmo:** Wednesday, 29/03/2023

**Justin C. Feng** (IST Lisbon, Portugal)

*The Weiss variation in gravitation theory*

**Strings:** Monday, 27/03/2023

**Aaron Wall** (Cambridge, UK)

*The Off-shell String Effective Action*

**Cosmo:** Wednesday, 22/03/2023

**Oleg Lebedev** (University of Helsinki, Finland)

*Particle overproduction in the Early Universe*

**Cosmo:** Wednesday, 15/03/2023

**Sante Carloni** (Charles University, Prague, Czechia)

*Generalizing the coupling between spacetime and matter*

**Strings:** Monday, 13/03/2023

**Alfredo Iorio** (Charles University, Czech republic)

*The three 'layers' of graphene monolayer and their analog GUPs*

**Cosmo:** Wednesday, 08/03/2023

**Christian Käding** (Technische Universität Wien, Austria)

*Directly computing reduced density matrices with influence functionals*

**Cosmo:** Wednesday, 01/03/2023

**Nuno M. Santos** (Universidade de Aveiro, Portugal)

*Synchronized bosonic hair: equilibrium solutions*

**Strings:** Monday, 27/02/2023

**Karapet Mkrtchyan ** (Imperial College, UK)

*A novel Lagrangian formulation for (chiral) p-forms and their interactions*

**Cosmo:** Wednesday, 22/02/2023

**Daniela Doneva** (University of Tübingen, Germany)

*Gravitational waves as a test of fundamental physics*

**Strings:** Monday, 20/02/2023

**Thomas Mertens ** (UGhent, Belgium)

*From JT to 3d pure gravity*

**Cosmo:** Wednesday, 15/02/2023

**Vitor Cardoso** (IST Lisbon, Portugal)

*Testing the existence of black hole horizons*

**Strings:** Monday, 13/02/2023

**Athanasios Chatzistavrakidis ** (Rudjer Boskovic Institute, Croatia)

*Geometry on higher structures and the BV formalism*

**Cosmo:** Wednesday, 08/02/2023

**Armando di Matteo** (INFN Torino, Italy)

*Ultra-high-energy cosmic rays: what we know and what we don't, and possible "new physics" implications*

**Strings:** Thursday, 02/02/2023

**René Meyer** (University of Wurzburg, Germany)

*Approaches to Discrete Holography*

**Cosmo:** Wednesday, 01/02/2023

**Stefano Savastano** (Potsdam Max Planck Institute, Germany)

*Observing Continuous Gravitational Waves lensed by Sgr A**

**Cosmo:** Wednesday, 25/01/2023

**Thomas Sotiriou** (University of Nottingham, UK)

*Strong Gravity and Fundamental Physics*

**Strings:** Monday, 23/01/2023

**Ivano Basile ** (LMU, Germany)

*Infinite distances in multicritical CFTs and higher-spin holography*

**Cosmo:** Wednesday, 11/01/2023

**David Kubiznak** (Charles University, Prague, Czechia)

*Remarkable symmetries of rotating black holes*

**Strings:** Monday, 12/12/2022, 14:00, room 226

**Dieter van den Bleeken** (Bogazici University, Turkey)

*Bosonic supersymmetry*

**Cosmo:** Thursday, 08/12/2022, 16:00, SOLID building lecture hall

**Marco Chianese** (Università degli Studi di Napoli, Italy)

*Novel probes of sub-GeV dark matter*

**Cosmo:** Thursday, 01/12/2022, 16:00, lecture hall

**Luc Blanchet** (Université Paris-Saclay, France)

*Dark matter at galactic scales & MOND*

**Strings:** Monday, 14/11/2022

**Pranjal Nayak** (CERN, Switzerland)

*Random Matrices in the Quantum Mechanical Description of Black Holes*

**Cosmo:** Thursday, 10/11/2022, 16:00, lecture hall

**Andrew Miller** (Université Catholique de Louvain, Belgium)

*Probes of dark matter with gravitational-wave detectors*

**Strings:** Monday, 07/11/2022, room 226 14:00

**Blagoje Oblak** (l'Ecole Polytechnique, France)

*Flat JT Gravity and the Schwarzian of BMS2*

**Cosmo:** Thursday, 03/11/2022, 16:00, lecture hall

**Giorgio Torrieri** (Universidade Estadual de Campinas, Brazil)

*The equivalence principle and inertial-gravitational decoherence*

**Strings:** Thursday, 03/11/2022, room 226 15:00

**Jordan Francois** (U. Mons, Belgium)

*Presymplectic structure of gauge theories: boundaries, edge modes, variational connections and all that…*

**Strings:** Monday, 31/10/2022, 11:00, room 226

**Eugenia Boffo** (Charles University, Czech republic)

*Spin field for the N=1 particle in the worldline*

**Cosmo:** Thursday, 27/10/2022

**Enrico Barausse** (SISSA, Trieste, Italy)

*Gravitational wave generation in effective field theories of dark energy*

**Strings:** Monday, 24/10/2022

**Swapnamay Mondal** (Dublin Institute of Advanced Studies, Ireland)

*Supersymmetric black holes and TTbar deformation*

**Cosmo:** Thursday, 20/10/2022, 16:00, lecture hall

**Katy Clough** (Queen Mary University, London, UK)

*Black holes in fundamental field environments - the impact of initial data*

**Strings:** Monday, 17/10/2022

**Chrysoula Markou** (UMons, Belgium)

*Advances in spin-2 physics*

**Cosmo:** Thursday, 13/10/2022

**Rafael Porto** (DESY, Hamburg, Germany)

*Precision Gravity: From the LHC to LISA and ET*

**Cosmo:** Thursday, 06/10/2022

**Yuichi Miyashita** (Tokyo Institute of Technology, Japan)

*Topological defects in nonlocal field theories*

**Strings:** Monday, 03/10/2022, 14:00, room 226

**Shlomo Razamat** (Technion, Israel)

*On IR dualities across dimensions*

08/09/2022

**Diana López Nacir** (University of Buenos Aires, Argentina)

*Cosmological perturbations for Self-Interacting Warm Dark Matter scenario, numerical implementation and some observational constraints*

23/06/2022

**Shun-Pei Miao** (National Cheng Kung University (NCKU), Tainan, Taiwan)

*Gauge Independent Effective Field Equations*

22/06/2022

**Richard P. Woodard** (University of Florida at Gainesville, USA)

*Summing Large Logarithms from Loops of Inflationary Gravitons*

16/06/2022

**Alexander Zhuk** (Odessa I. I. Mechnikov National University, Ukraine & Center for Advanced Systems Understanding (CASUS), Görlitz, Germany)

*Relativistic approach to the large-scale structure formation: cosmic screening vs. gevolution*

13/06/2022, 14:00, room 226

**Souvik Banerjee** (Wurzburg, Germany)

*Wormholes, Berry phases and factorization*

09/06/2022

**Matteo Fasiello** (IFT, Madrid, Spain)

*Probing the Early Universe with Gravitational Waves*

06/06/2022, 14:00, room 226

**Matthijs Hogervorst** (EPFL Lausanne, France)

*Cosmology meets Conformal Bootstrap*

02/06/2022

**Gianmassimo Tasinato** (Swansea University, UK)

*Probing the Physics of Inflation with Gravitational Wave Experiments*

30/05/2022, 14:00, room 226

**Max Guillen** (Upsalla, Sweden)

*Pure Spinor Field Theory Description of 10D super-Yang-Mills: Scattering Amplitudes and Color-Kinematics Duality*

26/05/2022

**Lavinia Heisenberg** (Heidelberg University, Germany)

*Tensions in LCDM and how to solve them*

23/05/2022, 14:00, room 226

**Claire Zukowski** (UvA, Netherlands)

*Virasoro Entanglement Berry Phases*

19/05/2022

**Michal Artymowski** (Wyszynski University, Warsaw, Poland)

*New applications of unparticles: Inflation, dark energy, bouncing cosmologies, and the Hubble tension*

16/05/2022, 14:00, room 226

**Lorenz Eberhardt** (IAS Princeton, USA)

*Off-shell Partition Functions in 3d Gravity*

12/05/2022

**Earl Bellinger** (Max Planck Institute, Garching, Germany)

*Asteroseismic probes of stellar evolution and fundamental physics*

04/05/2022

**Caner Unal** (Ben-Gurion University of the Negev, Israel)

*Spin in Active BHs and properties of ultralight particles*

28/04/2022

**Jose Beltran Jimenez** (University of Salamanca, Spain)

*Quicksand in Affinesia*

25/04/2022, 14:00, room 226

**Alex Belin** (CERN, Switzerland)

*Quantum chaos, OPE coefficients and wormholes*

21/04/2022

**Marek Lewicki** (University of Warsaw, Poland)

*Search for new physics through primordial gravitational waves*

13/04/2022

**Pavel K. Kovtun** (University of Victoria, Canada)

*Hydrodynamics beyond hydrodynamics*

07/04/2022

**Dong-Gang Wang** (University of Cambridge, United Kingdom)

*Bootstrapping Inflation: cosmological correlators with broken boosts*

31/03/2022

**Christos Charmousis** (IJCLab Orsay, France)

*Compact objects in scalar tensor theories*

24/03/2022

**Sergey Ketov** (Leibniz University Hannover, Germany & Tokyo Metropolitan University, Japan)

*Formation of primordial black holes after Starobinsky inflation in supergravity*

10/03/2022

**Daniel Green** (UC, San Diego, USA)

*A Tail of Eternal Inflation*

17/03/2022

**Dmitri Semikoz** (APC Paris, France)

*Measurements of cosmological magnetic fields in the voids of large scale structure*

24/02/2022, 16:00, lecture hall

**Matthias Bartelmann** (ITP, Heidelberg University, Germany)

17/02/2022

**Sk Jahanur Hoque** (Charles University, Prague, Czechia)

*Mass loss law for weak gravitational fields: With a positive cosmological constant*

10/02/2022

**Ke-Pan Xie** (Nebraska University, USA)

*Primordial black holes from a cosmic phase transition: The collapse of Fermi-balls*

03/02/2022

**Alexander Ganz** (Jagiellonian University, Krakow, Poland)

*Minimally modified gravity and its phenomenological properties*

27/01/2022

**Adolfo Cisterna** (TIFPA-INFN, Trento, Italy)

*Taub-NUT spacetimes at the service of exact black bounces: Black holes, wormholes and bouncing cosmologies with a self-interacting scalar field*

20/01/2022

**Valerie Domcke** (CERN, Geneva, Switzerland)

*Cosmology with axion-like particles*

13/01/2022

**Marco Crisostomi** (SISSA, Trieste, Italy)

*Gravitational wave generation in dark energy theories*

02/12/2021

**Ville Vaskonen** (IFAE, Barcelona, Spain)

*Probing dark matter through gravitational waves*

25/11/2021

**Anamaria Hell** (LMU, Munich, Germany)

*Exploring the dualities of massive gauge theories: Aμ vs. Bμν*

18/11/2021

**Graham White ** (University of Tokyo, Japan)

*Archaeology on the origin of matter*

11/11/2021

**Tomislav Prokopec ** (Utrecht University, Netherlands)

*Quantum origin of dark energy and the Hubble tension*

04/11/2021

**Camilo Garcia Cely **(DESY, Germany)

*The CMB as a detector of gravitational waves*

27/10/2021

**Stian Hartman ** (University of Oslo, Norway)

*Self-interacting Bose-Einstein condensed dark matter; cosmological constraints and simulations*

21/10/2021

**Farbod Hassani ** (University of Oslo, Norway)

*Characterizing the non-linear evolution of dark energy and modified gravity models*

14/10/2021

**Roman Konoplya ** (Peoples' Friendship U., Moscow, Russia)

*Traversable wormholes in General Relativity without exotic matter*

30/09/2021

**Anton Baleato Lizancos ** (UC Berkeley, USA)

*Fundamental Physics with CMB Lensing and Delensing*

23/09/2021

**Jan Burger ** (University of Iceland, Reykjavik, Iceland)

*Conservation of radial actions in time-dependent spherical potentials*

**Academic year 2020/2021**

17/06/2021 - 4pm, **Marco Astorino ** (INFN, Milano, Italy), Multi-black holes at equilibrium in an external gravitational field

10/06/2021 - 4pm, **Francis-Yan Cyr-Racine ** (University of New Mexico), A cosmological dark matter collider experiment

27/05/2021 - 4pm, **Daniel Litim ** (University of Sussex, UK), Asymptotic safety - from particle physics to quantum gravity

20/05/2021 - 4pm, **Macarena Lagos ** (Columbia University, NY, USA), Interacting Gravitational Waves

13/05/2021 - 4pm, **Swetha Bhagwat ** (Sapienza, University of Rome, Italy), Merger-ringdown consistency test

06/05/2021 - 4pm, **Viviana Niro ** (APC Paris, France), Neutrinos from galactic sources

29/04/2021 - 4pm, **Emel Altas ** (Karamanoglu Mehmetbey University, Turkey), Nonstationary energy in general relativity and approximate analytical description of apparent horizons for initial data with momentum and spin

22/04/2021 - 4pm, **Teodor Borislavov Vasilev** (Universidad Complutense de Madrid, Spain), Classical and quantum f(R) cosmology: The big rip, the little rip and the little sibling of the big rip

15/04/2021 - 4pm, **Famaey Benoit** (Observatoire astronomique de Strasbourg, France), MOND: phenomenological review and constraints for model-building

25/03/2021 - 4pm, **Johannes Noller ** (Cambridge University - DAMTP, UK), Testing gravity on all scales

18/03/2021 - 4pm, **Kazuya Koyama ** (Portsmouth U., ICG, UK), General relativistic weak-field limit and Newtonian N-body simulations

11/03/2021 - 4pm, **Raissa Mendes ** (Universidade Federal Fluminenense, Brazil), Probing general relativity with the most extreme neutron stars

04/03/2021 - 4pm, **Ali Seraj ** (Universite Libre de Bruxelles, Belgium), Gravitational memory in modified gravity and two-form symmetries

18/02/2021 - 4pm, **François Larrouturou **(IAP Paris, France), Refocus on the essentials: introducing the Minimal Theory of Bigravity

11/02/2021 - 4pm, **Ondrej Hulik **(Charles University, Prague), Generalized and Exceptional geometry, A Unified Framework

04/02/2021 - 4pm, **Giulia Cusin **(Universite de Geneve, Switzerland), Catalogue and background description of a population of GW sources: features, complementarities and caveats.

28/01/2021 - 4pm, **Paolo Benincasa **(IFT Madrid, Spain), Towards a reformulation of QFT in expanding universes.

21/01/2021 - 4pm, **Timothy Anson **(Universite Paris-Saclay, France), Disforming the Kerr metric

14/01/2021 - 4pm, **Siddharth Prabhu **(Tata Institute of Fundamental Research, India), The holographic nature of quantum information storage in asymptotically flat spacetimes

17/12/2020 - 4pm, **Oksana Iarygina **(Leiden University, NL), The physical mass scales of multi-field preheating

10/12/2020 - 4pm, **Horng Sheng Chia **(Institute for Advanced Study, Princeton, USA), Tidal Deformation and Dissipation of Rotating Black Holes

03/12/2020 - 4pm, **Antony Lewis **(University of Sussex, UK), Concordance, tensions and gravitational lensing

26/11/2020 - 4pm, **Eiichiro Komatsu **(Max-Planck-Institut für Astrophysik, Germany), Hunting for parity-violating physics in polarisation of the cosmic microwave background

19/11/2020 - 4pm, **Mikhail Shaposhnikov **(EPFL), Einstein-Cartan gravity: Inflation, Dark Matter and Electroweak Symmetry Breaking

12/11/2020 - 4pm, **William Barker **(Kavli Institute for Cosmology, Cambridge, UK), Dark energy and radiation from the novel gauge gravity theories

05/11/2020 - 4pm, **Fedor Bezrukov **(University of Manchester, UK), What do we know about preheating in Higgs Inflation and its relatives?

22/10/2020 - 4pm, **Eugene Lim **(King's College London, UK), Challenging the Inflationary Paradigm

15/10/2020 - 4pm, **Filippo Camilloni **(University of Perugia, IT and Niels Bohr Institute, DK), Moving away from the Near-Horizon Attractor of the Extreme Kerr Force-Free Magnetospheres

08/10/2020 - 4pm, **Anne Green **(University of Nottingham, UK, Primordial Black Holes as a dark matter candidate

12/03/2020, 16:00 **Keigo Shimada (Tokyo Institute of Technology)**, Metric-affine Geometry and Ghost-free structure of Scalar-tensor Theories

02/03/2020, 14:00 **Tarek ****Anous **(University of Amsterdam), Areas and entropies in BFSS/gravity duality

27/02/2020, 16:00 **Elias Kiritsis (APC, Paris & Crete University)**, Emergent gravity from Hidden sectors

20/02/2020, 16:00 **Georgios Loukes-Gerakopoulos (Astronomical Institute, Prague)**, Model agnostic approaches to cosmology

13/02/2020, 16:00 **Paolo Creminelli (ICTP, Trieste)**, Initial Conditions for Inflation

30/01/2020, 16:00 **Tomas Ledvinka (Charles University, Prague)**, Dynamic vacuum spacetimes in a computer

29/01/2020, 14:00 **Harold Erbin (University of Turin)**, Machine learning for QFT

23/01/2020, 16:00 **Chris Clarkson (Queen Mary University of London) - CANCELLED **, General relativity in the era of large scale surveys

16/12/2019, 16:00 **Pavel Motloch (CITA, Toronto)**, Galaxy spins as probes of fundamental physics

12/12/2019, 16:00 **Filippo Vernizzi (Universite Paris Saclay)**, Dark energy after gravitational wave observations

28/11/2019, 16:00 **Guillermo Ballesteros (Autonoma University, Madrid)**, Primordial black hole dark matter from inflation

21/11/2019, 16:00 **Giovanni Acquaviva (Charles University, Prague, CZ)**, Emergent gravity, Bekenstein bound and unitarity

04/11/2019, 16:00 **Dionysios Anninos, **de Sitter horizons and sphere partition functions

17/10/2019, 16:00 **Sk Jahanur Hoque, **Conserved charges in asymptotically de Sitter spacetimes

10/10/2019, 16:00 **Cosimo Bambi, **Testing general relativity using X-ray reflection spectroscopy

03/10/2019, 14:00 **Dalimil Mazac**, Sphere packing, quantum gravity and extremal functionals

02/10/2019, 11:00 **Thales Azevedo, **(DF)^2 gauge theories and strings

01/10/2019, 14:00 **Poulami Nandi, **Field Theories with Conformal Carrollian Symmetry

30/09/2019, 14:00 **Antoine Bourget, ** The Higgs Mechanism - Hasse Diagrams for Symplectic Singularities

19/09/2019, 16:00 **Gizem Sengor, ** Unitarity at the Late Time Boundary of de Sitter

16/08/2019, 14:00 **Tomas Prochazka, **Thermodynamics Bethe Ansatz

12/08/2019, 14:00 **Camilo Garcia-Cely, **Self-interacting Spin-2 Dark Matter

01/08/2019, 16:00 **Andrei Frolov, **Cosmic dust is everywhere

22/07/2019, 14:00 **Agnes Ferte, **Probing The Accelerated Universe Through Weak Lensing

19/07/2019, 14:00 **Xingang Chen, **Probing the Origin of the Big Bang Cosmology

16/07/2019, 14:00 **Leonardo Modesto, **Nonlocal Quantum Gravity

15/07/2019, 11:00 **Mirek Rapcak, **On Miura transformation for $W_{n|m \times \infty}$ and related geometry

11/07/2019, 14:00 **David Svoboda, **Paracomplex Geometry and Twisted Supersymmetry

08/07/2019, 14:00 **Adolfo Cisterna, **Homogenous AdS black strings in General Relativity and Lovelock theories

04/07/2019, 14:00 ** Cesar Arias, ** Higher Spins and Topological Strings

24/06/2019, 14:00 **Andrea Fontanella, **Hidden relativistic symmetry in AdS/CFT

10/06/2019, 14:00 **Dmitry Gorbunov, **Higgs inflation in weak coupling regime

07/06/2019, 14:00 **Mairi Sakellariadou, **Stochastic gravitational waves background and its anisotropies

04/06/2019, 13:30 **Tanmay Vachaspati, **A Classical-Quantum Correspondence

21/05/2019, 16:00 **Julian Adamek, **Gevolution v1.2 - relativistic N-body simulations and light-cone analysis

13/05/2019, 14:00 **Tomislav Prokopec, **Quantum corrections during inflation

10/04/2019, 14:00 **Ogan Ozsoy, **Probing Early Universe on Small Scales

25/03/2019, 14:00 **James Bonifacio, **Shift Symmetries in (Anti) de Sitter Space

18/03/2019, 14:00 **Masahide Yamaguchi, **Higher derivative scalar-tensor theory through a non-dynamical scalar field

14/03/2019, 16:00 **Stefano Camera, **Synergic cosmology across the spectrum

28/02/2019, 16:00 **Gizem Sengor, **A look at Cosmological Perturbations during Preheating with Effective Field Theory Methods

27/02/2019, 14:00 **Antonio Racioppi, **The Palatini side of inflationary attractors

25/02/2019, 14:00 **Jakub Vicha, **Probing the Universe at the Highest Energies with the Pierre Auger Observatory

19/02/2019, 14:00 **Yuji Satoh, **TBA (room 226)

18/02/2019, 14:00 **Vojtech Witzany, **Spin-perturbed orbits near black holes

10/12/2018, 14:00 **Shinji Mukohyama, **Minimalism in modified gravity

26/11/2018, 14:00 **Ondrej Pejcha, **Explosive deaths of stars: core-collapse supernovae and stellar mergers

23/11/2018, 14:00 **Rachel Houtz, **Color Unified Dynamical Axion

22/11/2018, 16:00 **Antonino Marciano, **Non-dynamical torsion from fermions and CMBR phenomenology

20/11/2018, 14:00 **Andrea Addazi, **Gravitational waves from Dark bubbles in the early Universe

05/11/2018, 14:00 **Subodh Patil, **Tensor bounds on the hidden universe

25/10/2018, 16:00 **Alexey Golovnev, **Modified teleparallel gravity

16/10/2018, 14:00 **Lasha Berezhiani, **Superfluid Dark Matter

15/10/2018, 14:00 **Hiroyuki Sagawa, **Recent results of the Telescope Array experiment on ultra-high energy cosmic rays (Division Seminar)

15/10/2018, 11:00 **Hidehiko Shimada, **TBA

08/10/2018, 14:00 **Katherine Freese, **Inflationary Cosmology in Light of Cosmic Microwave Background Data

17/09/2018, 14:00 **Elena de Paoli, **A gauge-invariant symplectic potential for tetrad general relativity

30/07/2018, 13:30 **Shun-Pei Miao, **A Cosmological Coleman Weinberg Potentials and Inflation

27/07/2018, 14:00 **Richard Woodard, **A Nonlocal Metric Realization of MOND

26/07/2018, 14:00 **Dam Thanh Son, **From fractional quantum Hall effect to field-theoretical dualities

25/07/2018, 14:00 **Oleg Teryaev, **Graviitational formfactors and pressure in elementary particles

24/07/2018, 14:00 **Renato Costa, ** Singularity free Universe in double field theory

18/07/2018, 14:00 **Massimiliano Rinaldi, **Scale-invariant inflation

17/07/2018, 14:00 **Alessandro Drago, **What do mergers of neutron stars tell us about nuclear physics?

16/07/2018, 14:00 **Miroslav Rapcak, ** Representation Theory of Vertex Operator Algebras and Gukov-Witten defects

12/07/2018, 14:00 **Jarah Evslin, ** Cosmic Expansion Anomalies as Seen by Baryon Acoustic Oscillations

03/07/2018, 14:00 **Yi-Zen Chu, **Theoretical Explorations in Gravitational Physics

28/06/2018, 14:00 **Andreas Albrecht, **Perspectives on Cosmic Inflation

27/06/2018, 14:00 **Andreas Albrecht, **Einselection and Equilibrium

26/06/2018, 14:00 **Eugeny Babichev, **Hamiltonian vs stability and application to scalar-tensor theories

25/06/2018, 14:00 **Wojciech Hellwing, ** How to falsify CDM (and test its alternatives)?

15/06/2018, 11:00 **Emre Kahya, **Loop Corrections to Primordial non-Gaussianties

14/06/2018, 16:00 **Emre Kahya, **GW170817 Falsifies Dark Matter Emulators

12/06/2018, 14:00 **Dam Thanh Son, **Quantum Hall effect and field-theoretic dualities

06/07/2018, 14:00 **Sébastien Clesse, **Primordial Black Holes as the Dark Matter

21/05/2018, 14:00 **Maksym Ovchynnikov , **New physics at the intensity frontier

17/05/2018, 16:00 **Lorenzo Pizzuti, **Modified gravity with galaxy cluster mass profiles: from data to simulations

15/05/2018, 15:00 **Santiago Casas, **Model-independent tests of gravity with present data and future surveys

07/05/2018, 14:00 **Diego Blas, **Probing dark matter properties with pulsar timing

04/05/2018, 14:00 **Peter Tinyakov, **Compact stars as dark matter probes

03/05/2018, 14:00 **Jan Novák, **Scalar perturbations of Galileon cosmologies in the mechanical approach in the late Universe

12/04/2018, 14:00 **Tomi Koivisto, **Symmetric Teleparallelism

10/04/2018, 14:00 **Luca Marzola, **The 21-cm Line

27/03/2018, 14:00 **Julian Adamek, ** Evolving The Metric - N-body simulations for relativistic cosmology

20/03/2018, 14:00 **Patrick Stengel, ** The Higgs boson can delay Reheating after Inflation

15/03/2018, 14:00 **Ilidio Lopes, ** Impact of dark matter in stellar oscillations

20/02/2018, 14:00 ** Eric Bergshoeff, ** Gravity and the spin-2 planar Schroedinger equation

12/02/2018, 14:00 **Roberto Oliveri, ** Gravitational multipole moments from Noether charges

01/02/2018, 16:00 **Luca Visinelli, ** Axions in cosmology and astrophysics

30/01/2018, 14:00 **Eleonora Villa, ** Theoretical systematics in galaxy clustering in LCDM and beyond

23/01/2018, 14:00 **Petr Satunin, ** Constraints on violation of Lorentz invariance from atmospheric showers initiated by multi-TeV photons

12/12/2017, 14:00 ** David Svoboda, ** Twisted brackets, fluxes, and deformations of para-Kahler manifolds

11/12/2017, 16:00 ** Martin Roček, ** WZW models and generalized geometry

05/12/2017, 14:00 ** Dimitris Skliros, ** Coherent states in String Theory

04/12/2017, 14:00 ** Ed Copeland, ** Screening mechanisms and testing for them in cosmology and the laboratory

30/11/2017, 14:00 ** Marc Gillioz, ** Sum Rules for the "c" Anomaly in 4 Dimensions

28/11/2017, 14:00 ** Sugumi Kanno, ** Decoherence of Bubble Universes

27/11/2017, 14:00 ** Rachel Houtz, ** Little Conformal Symmetry and Neutral Naturalness

08/11/2017, 14:00 ** Pierre Fleury, ** Weak lensing with finite beams

07/11/2017, 14:00 ** Frederik Lauf, ** Classification of three-dimensional Chern-Simons-matter theories

06/11/2017, 14:00 ** Andrei Gruzinov, ** Particle production by real (astrophysical) black holes

23/10/2017, 14:00 ** George Pappas, ** Neutron stars as matter and gravity laboratories

16/10/2017, 14:00 ** Tessa Baker, ** Tests of Beyond-Einstein Gravity

02/10/2017 14:00 **Piotr Surowka** New developments in hydrodynamics

08/09/2017, 14:00 **Dani Figueroa** Higgs Cosmology: implications of the Higgs for the early Universe

06/09/2017, 14:00 **Sergey Ketov** Starobinsky inflation in supergravity

06/09/2017, 11:00 **Dalimil Mazáč** Analytic conformal bootstrap and QFT in AdS2

29/06/2017, 14:00 **Bruce Bassett** Rise of the Machine: AI and Fundamental Science

28/06/2017, 14:00 **Dmitri Semikoz** Signatures of a two million year old nearby supernova in antimatter data

02/06/2017, 14:00 **David Alonso** Science with future ground-based CMB experiments

22/05/2017, 14:00 **Mathieu Langer** Magnetizing the intergalactic medium during reionization

16/05/2017, 16:00 **Sergey Sibiryakov** Counts-in-cells statistics of cosmic structure* *

25/04/2017, 14:00* * **Ippocratis Saltas** What can unimodular gravity teach us about the cosmological constant?

12/04/2017, 14:00* ***Andrei Nomerotski** Status and Plans for Large Synoptic Survey Telescope

06/04/2017, 14:00* *** ****Alex Vikman** The Phantom of the Cosmological Time-Crystals

03/04/2017, 14:00 **J****nan Maharana** Scattering of Stringy States and T-duality

27/03/2017, 14:00 **Michal Bilek** Galaxy interactions in MOdified Newtonian Dynamics (MOND)

27/02/2017, 16:00 **Misao Sasaki,** Signatures from inflationary massive gravity

23/02/2017, 14:00 **Misao Sasaki, **Inflation and Beyond

14/12/2016, 14:00 **Giovanni Acquaviva**,Dark matter perturbations with causal bulk viscosity

09/12/2016, 14:00 **David Pirtskhalava** Relaxing the Cosmological Constant

14/11/2016, 14:00 **Glenn Barnich, ** Finite BMS transformations

18/10/2016 14:00 **Eugeny Babichev, **Gravitational origin of dark matter