Previous speakers

Seminar archive.

Invited talks hosted by the Gravity and Astrophysics group since 2020.

61 seminars

Talks across gravity, astrophysics, and field theory.

This archive records previous group seminars and their announced titles. For the current schedule, see group meetings.

2026

04
DateSpeakerAffiliationTalk
April 13Dr. Aditya VijaykumarCanadian Institute for Theoretical AstrophysicsSubpopulations of hierarchical mergers in gravitational-wave data and their implications
April 8Sercan HusnugilUniversity of WaterlooBlack holes and Carrollian fluids: what can they teach us about each other?
March 23Dr. Hayley MacphersonUniversity of ChicagoNumerical relativity as a tool for precision cosmology
February 11Dr. Shilpa KasthaSaha Institute of Nuclear PhysicsSlipping into the inspiral

2025

12
DateSpeakerAffiliationTalk
November 6Marica MinucciNBI, CopenhagenConserved Currents and Bilinear Forms for Quasinormal Modes in the Hyperboloidal Formalism
October 23Nils SiemonsenPrinceton UniversityErgoregion instability: the nonlinear story
October 9Maxence CormanAEI PotsdamNonlinear dynamics of compact object mergers beyond General Relativity
September 29Chris KavanaghUniversity College DublinProgress and prospects with analytic perturbation theory for small-mass-ratio compact binaries
August 6Rico LoNBIQuasinormal modes and excitation factors of Kerr black holes – isn’t it a solved problem?
June 25Áron KovácsQMULWell-posed initial value formulation of general effective field theories of gravity
June 13Stephen GreenNottinghamNeural posterior estimation for gravitational-wave inference
June 11David TrestiniSouthamptonModeling gravitational waves from compact binaries in scalar tensor theories within the post-Newtonian approximation
April 30Macarena LagosUNABNonlinear gravitational wave ringdown
April 28Patrick DawsonUniversity of SydneyProspects for presentism in the context of modern physics
April 16Konstantinos KritosJohns HopkinsMerging black holes in star clusters
March 26Raj PatilAEI PotsdamPrecision Gravity: Gravitational waves using Feynman diagrams

2024

10
DateSpeakerAffiliationTalk
November 21Sizheng MaPerimeterBlack Hole Spectroscopy Beyond Linear Quasinormal Modes
November 14David ShlivkoPrincetonBeyond the cosmological constant: Detecting dynamical dark energy
October 31Jan KożuszekImperialThe dynamics of dRGT massive gravity
September 26Nils VuCaltechSolving elliptic equations on supercomputers – black holes, thermal noise, and self force
July 26Isabella PrettoCaltechDetermining the end time of junk radiation in binary black hole simulations
July 12Divya SinghPenn StateExploring Dark Matter with Gravitational Wave observations
April 25Shrobana GhoshAEI HannoverInspiral-Merger-Ringdown waveform modeling to estimate spins of astrophysical black holes
April 11Sebastian VölkelAEI PotsdamOne ring to rule them all? Quasi-normal modes and the black hole ringdown
March 28Yanyan ZhengMissouri S&TDetecting gravitational waves from core-collapse supernovae
March 21Isobel Romero-ShawUniversity of CambridgeDecoding the Gravitational-Wave Biographies of Binary Black Holes

2023

10
DateSpeakerAffiliationTalk
November 17Laura SbernaMax Planck Institute for Gravitational PhysicsNew problems and methods in black hole perturbation theory
October 23Justin RipleyUniversity of Illinois, Urbana-ChampaignProbing internal dissipative processes of neutron stars with gravitational waves during the inspiral
September 18Bence BécsyOregon State UniversityNanohertz gravitational waves: the cosmic symphony and its soloists
August 16Anıl ZenginoğluMarylandHyperbolic Geometry and Black Holes
July 14Aru BeriIISER MohaliProbing strong field gravity using fast-timing and multi-wavelength diagnostics and prospects with X-ray polarization
July 5Sharan BanagiriNorthwesternAccessing the astrophysical significance of gravitational-wave triggers: A unified p-astro approach
June 7Rita Teixeira da CostaPrincetonRevisiting mode stability for Kerr(-dS) black holes
April 12José Tomás G. GhersiUniversidad de Ingeniería y Tecnología: Lima, Lima, PEDimensional deformation of sine-Gordon breathers into oscillons
March 22Michael PajkosCaltechCause & Effect: How Relativity Impacts Our Understanding of Supernova Evolution
February 22Elena GiorgiColumbia UniversityBlack Hole Stability Problems in GR

2022

09
DateSpeakerAffiliationTalk
November 14Aaron ZimmermanUT AustinTransition dynamics in numerical simulations and ringdown beyond-GR
October 24Anna IjjasNYUAdvancing Cosmology with Numerical Relativity
October 3Mikhail SolonUCLAQuantum Field Theory Tools for Gravitational Wave Science
July 19Fabrizio Di GiovanniUniversity of ValenciaNonlinear dynamics of boson and fermion-boson stars
June 28Alex Vano-VinualesULisboaCurrent numerical efforts on free hyperboloidal evolution
May 31Tousif IslamUniversity of Massachusetts DartmouthSurrogate model for gravitational wave signals from non-spinning, comparable- to large-mass-ratio black hole binaries built on black hole perturbation theory waveforms calibrated to numerical relativity
April 21Lisa DrummondMITPrecisely computing bound orbits of spinning bodies around black holes
March 10Bin LiuNiels Bohr InstituteBinary dynamics near a rotating supermassive black hole
February 10Tanja HindererUtrecht UniversityProbing subatomic physics with gravitational waves from neutron star binary inspirals

2021

12
DateSpeakerAffiliationTalk
December 9Nathan Johnson-McDanielU MississippiExtracting information from gravitational-wave observations: From tests of general relativity to astrophysics
December 2Károly CzukásU MississippiNumerical investigation of linear perturbations and solutions to constraint equations in general relativity
October 7Xiang LiCaltechAngular emission patterns of remnant black holes — Towards a more complete temporal-spatial fitting
August 19Paolo PaniSapienza University, Rome, ItalyBlack-hole microstate spectroscopy
August 12Tomas Galvez GhersiCITA, CanadaRescheduled
August 5Will FarrStony Brook UniversityRinging Black Holes, Massive Neutron Stars, and Black Hole Cosmology: Recent Results and Future Directions from LIGO and Virgo’s Observations of Gravitational Waves
July 15Sajal MukherjeeAstronomical Institute of the Czech Academy of SciencesDetecting Gravitational Waves from Hyperbolic encounters
June 24Imre BartosUniversity of FloridaBlack hole assembly lines in AGN disks
April 29Sabrina PasterskiPrinceton UniversityProgress in Celestial Amplitudes
April 7Sara IssaounRadboud University, NetherlandsMagnetic Fields Near a Black Hole
March 18Deborah FergusonUniversity of Texas, AustinAssessing the Preparedness of Numerical Relativity for Current and Future Gravitational Wave Detectors
February 18Niels WarburtonUniversity College DublinGravitational waves from extreme mass-ratio inspirals

2020

04
DateSpeakerAffiliationTalk
December 10Edgar ShaghoulianUniversity of PennsylvaniaReplica wormholes and the black hole information paradox
November 12Rob FarmerUniversity of Amsterdam, Amsterdam, NetherlandsMind the gap: What can we learn about stellar astrophysics from gravitational wave detections of binary black holes?
October 15Sarah VigelandUniversity of Wisconsin, MilwaukeeMerging Galaxies and Supermassive Black Holes: Detecting Gravitational Waves with Pulsar Timing Arrays
October 1David HilditchCENTRA, LisboaPutting Infinity on the Grid

Group meetings