Mina Aganagić, Alba Grassi, Sergei Gukov, Shota Komatsu, Marcos Marino, Beatrix Mühlmann, Catherine Meusburger, Nikita Nekrasov, Boris Pioline, Claudia Rella, Nicolai Reshetikhin, Thorsten Schimannek, Vivek Shende, Ulrike Tillmann*, Brian Williams

Karin Baur, Alexander Ivanov, Markus Reineke, Gerhard Röhrle, Christian Stump

Mike Bate (York), Giovanna Carnovale (Padua), Dan Ciubotaru (Oxford), Sean Cotner (Michigan), Francesco Esposito (Padua), Meinolf Geck (Stuttgart), Jonathan Gruber (Erlangen–Nürnberg), Martina Lanini* (Tor Vergata Rome), Martin Liebeck (Imperial College London), Alastair Litterick (Essex), Rachel Pengelly (Manchester), Julia Pevtsova (Washington), Alexander Premet (Manchester), Beth Romano (King’s College London), Aluna Rizzoli (King’s College London), David Stewart (Manchester), Jay Taylor (Manchester), Donna Testerman* (EPFL)

Nicolás Andruskiewitsch (Córdoba), Shahn Majid (London), Vanessa Miemietz (Norwich), Dmitri Nikshych (Durham), Chelsea Walton (Houston)

Michele D’Adderio, Jacinta Torres

Maitreyee Kulkarni (North Carolina State University), Bethany Rose Marsh (University of Leeds), Sophie Morier-Genoud (Université de Reims Champagne Ardenne), Greg Muller (University of Oklahoma), Pavel Tumarkin (Durham University), Emine Yıldırım (University of Leeds)

Huanchen Bao, Chris Bowman, Jon Brundan, Tanmay Deshpande, Laura Escobar Vega, David Hansen, Xuhua He, Mee Seong Im, Syu Kato, Stacey Law, Volodymyr Mazorchuk, Masao Oi, Greta Panova, Radmila Sazdanovic, Melissa Sherman-Bennett, Lei Shi, Marithania Silvero, Catharina Stroppel, Cheng-Chiang Tsai

Karim Adiprasito (Sorbonne Université / Université Paris Cité), Angela Carnevale (University of Galway), Francesco Esposito (Università di Padova), Christophe Hohlweg (Université du Québec), James Cruickshank (University of Galway), Emily Norton (University of Kent), Giovanni Paolini (Università di Bologna), Leonardo Patimo (Università di Pisa), Salvatore Stella (Università dell’Aquila)

Roman Bezrukavnikov (MIT), Elijah Bodish (MIT), Tommaso Botta (Columbia), Emily Cliff (Sherbrooke), Tom Gannon (UCLA), Nicolle Gonzalez (UC Berkeley), Joel Kamnitzer (McGill), Vasya Krylov (Harvard/CMSA), Hiraku Nakajima (IPMU, Tokyo), Raphaël Rouquier (UCLA), Alistair Savage (Ottawa), Vera Serganova (UC Berkeley), José Simental Rodríguez (UNAM), Milen Yakimov (Northeastern)

Ekaterina Bogdanova (Harvard), Sanath Devalapurkar (Harvard), Gurbir Dhillon (UCLA), Joakim Faergeman (Yale), Tony Feng (UC Berkeley), Xinchun Ma (Chicago), Jeremy Taylor (UC Berkeley), David Yang (MIT)

Severin Barmeier (Cologne), Aslak B. Buan (NTNU), Daniel Labardini-Fragoso (Padova), Ralf Schiffler (Connecticut), Raquel Coelho Simões (Lancaster), Yadira Valdivieso-Díaz (UDLAP); further contributed talks by participants

David Benson (University of Aberdeen), Matt Booth (Imperial College London), Tiago Cruz (University of Stuttgart), Ivo Dell’Ambrogio (Université d’Artois), Ioannis Emmanouil (National and Kapodistrian University of Athens), Eleonore Faber* (University of Graz), Martin Gallauer* (Warwick University), Srikanth Iyengar (University of Utah), Martin Kalck (University of Graz), Henning Krause (Bielefeld University), Julian Külshammer (Uppsala University), Sondre Kvamme (Norwegian University of Science and Technology), Julia Pevtsova (University of Washington), Matthew Pressland (University of Caen-Normandie), Sibylle Schroll (University of Cologne), Jan Šťovíček (Charles University in Prague), Greg Stevenson* (Aarhus University), Alexandra Zvonareva (Czech Academy of Sciences)

Pere Ara (Universitat Autònoma de Barcelona), Anna Barbieri (Università degli Studi di Verona), Emily Barnard (DePaul University, Chicago), Lucrezia Bottegoni (Università di Torino), Marino Gran (Université Catholique de Louvain), Ivo Herzog (Ohio State University), Daniel Labardini Fragoso (Università degli Studi di Padova), Elena Pascucci (Università di Roma La Sapienza), Sergio Pavon (Università degli Studi di Padova), Paolo Saracco (Université Libre di Bruxelles), Jan Schröer (Universität Bonn), Grzegorz Zwara (Nicolaus Copernicus University in Toruń)

Pierrick Bousseau (University of Georgia, USA, and CNRS, France), Joel Kamnitzer (McGill University, Montreal, Canada), Olivier Schiffmann (CNRS and Université de Paris-Saclay, France), Junliang Shen (Yale University, USA), Bernd Siebert (The University of Texas at Austin, USA), Yukinobu Toda (Kavli IPMU, the University of Tokyo, Japan)

Boris Feigin* (HUJI), David Hernandez (Paris Cité), Naihuan Jing (North Carolina State University), Haisheng Li (Rutgers), Evgeny Mukhin (Indiana University), Andrei Neguț (EPFL), Junichi Shiraishi (Tokyo), Paul Zinn-Justin* (Melbourne)

Arend Bayer, Agnieszka Bodzenta, Tom Bridgeland, Alastair Craw, Soheyla Feyzbakhsh, Donatella Iacono, Tasuki Kinjo, Emma Lepri, Marco Manetti, Francesco Meazzini, Amnon Neeman, Ed Segal, Špela Špenko, Yokinobu Toda, Michel Van den Bergh*

Nicolás Andruskiewitsch, Gwyn Bellamy, Lucas Buzaglo, Charles Conley, Vincenzo Di Bartolo, Olivier Mathieu, Vanessa Miemietz, James Timmins, Matt Westaway, Oksana Yakimova

Michel Brion, Nicolle Gonzalez, Amit Hazi, Ivan Losev, Hankyung Ko, Martina Lanini, Gunter Malle, Andrew Mathas, Vanessa Miemietz, David Stewart, Catharina Stroppel, Dani Tubbenhauer, Jay Taylor, Michela Varagnolo, Ben Webster*

D. Ayala, M. Barakat, T. Decoppet, C. Delaney, I. Entova-Aizenbud, P. Etingof, T. Johnson-Freyd, R. Laugwitz, C. Meusburger, D. Nikshych, D. Reutter, I. Runkel, C. Schweigert, C. Schommer-Pries, G. Stefanich, C. Teleman, S. Witherspoon

Chris Bowman (University of York), Ian Musson (University of Wisconsin-Milwaukee), J. Daisie Rock (FWO, KU Leuven, UGent), Beth Romano* (King’s College London), Dani Tubbenhauer (University of Sydney)

Sami Assaf, Pablo Boixeda-Alvarez, Jon Brundan, Ben Elias, Monica Garcia, Cris Negron, Khoa Nguyen, Julia Pevstova, Raphaël Rouquier, Eric Rowell, Nick Rozenblyum, Leonid Rybnikov, Yaolong Shen, Chelsea Walton

Julia Plavnik

Léa Bittmann (Université de Strasbourg), Francesca Fedele (University of Leeds), Ezgi Kantarcı Oğuz (Galatasaray University), Kağan Kurşungöz (Sabancı University), Matthew Pressland (University of Caen-Normandie), Emine Yıldırım (University of Leeds)

Claire Amiot* (Grenoble), Raymundo Bautista (Morelia), Grzegorz Bobiński (Toruń), Klaus Bongartz (Wuppertal), Michel Brion (Grenoble), Thomas Brüstle (Sherbrooke), Igor Burban (Paderborn), Denis-Charles Cisinski (Regensburg), Harm Derksen (Boston), Gustavo Jasso (Cologne), Dmitry Kaledin (Moscow), Ralf Krömer* (Wuppertal), Patrick Polo (Paris), Birgit Richter (Hamburg), Jan Šťovíček* (Prague), Greg Stevenson (Aarhus)

Claire Amiot* (Université Grenoble Alpes), Lidia Angeleri Hügel (Università di Verona), Karin Baur (Ruhr-Universität Bochum), Lara Bossinger* (UNAM), Thomas Brüstle (Université de Sherbrooke and Bishop’s University), Aslak Buan (NTNU), Christof Geiss (UNAM), Sira Gratz (Aarhus University), Johanne Haugland (NTNU), Konstiantyn Iusenko* (Universidade de São Paulo), Bernhard Keller (Université Paris Cité), Andrzej Mróz (Nicolaus Copernicus University), Jan Schröer (Universität Bonn), Khrystyna Serhiyenko (University of Kentucky), Andrea Solotar (Universidad de Buenos Aires), Markus Reineke (Ruhr-Universität Bochum)

Clark Barwick (University of Edinburgh), Patrick Kinnear (Universität Hamburg), David Reutter (Universität Hamburg), Martina Rovelli (University of Massachusetts), Tashi Walde (Universität Regensburg)

David Ayala (Montana State University), Clark Barwick (University of Edinburgh), Agnieszka Bodzenta-Skibińska (University of Warsaw), Dustin Clausen (IHES), Andrew Dudzik (Google DeepMind), Rune Haugseng (NTNU Trondheim), André Henriques (University of Oxford), Justin Hillburn (Perimeter Institute), Quoc Ho (Hong Kong University of Science and Technology), Henning Krause (Universität Bielefeld), Felix Loubaton (MPIM Bonn), Wendy Lowen (University of Antwerp), Ieke Moerdijk (Utrecht University), Viktoriya Ozornova (MPIM Bonn), Tony Pantev (University of Pennsylvania), Pavel Safronov (University of Edinburgh), Tomer Schlank* (University of Chicago), Jamie Vicary (Cambridge University), Nathalie Wahl (University of Copenhagen)

Xiao-Wu Chen (University of Science and Technology of China), Lisa Orloff Clark (Victoria University of Wellington), Roozbeh Hazrat (Western Sydney University), Srikanth Iyengar (University of Utah), Andrea Solotar (Universidad de Buenos Aires), Pu Zhang (Shanghai Jiao Tong University), Guodong Zhou (East China Normal University), Alexander Zimmermann (Université de Picardie Jules-Verne)

Pramod Achar (Louisiana), Sarah Brauner (Brown), Jonathan Brundan (Oregon), Julia E Grigsby (Boston College), Jordan Ellenberg (Wisconsin), Maria Gillespie (Colorado), Nicolle Gonzalez (UC Berkeley), Henry Kvinge (Pacific National Lab), Nicolas Libedinsky (Chile), Olya Mandelshtam (Waterloo), Andrew Mathas (Sydney), Greta Panova (USC), Brendon Rhoades (San Diego), José Simental Rodríguez (Mexico), Terence Tao (UCLA), Dani Tubbenhauer (Sydney), Sean Welleck (Carnegie Mellon), Mike Zabrocki (York)

Elijah Bodish (MIT), Chris Bowman (York), Ben Elias (Oregon), Christian Gaetz (UC Berkeley), Eugene Gorsky (UC Davis), Iva Halacheva (Northeastern), Mikhail Khovanov (Columbia), Hankyung Ko (Uppsala), Aaron Lauda (USC), Xinchun Ma (UChicago), Anton Mellit (Vienna), Vanessa Miemietz (UEA), Robert Muth (Duquesne), Andrei Neguț (MIT), Peter Samuelson (UC Riverside), Marithania Silvero (Sevilla), Joshua Sussan (CUNY), Julianna Tymoczko (Smith College), Pedro Vaz (Louvain), Monica Vazirani (UC Davis), Weiqiang Wang (Virginia), Joshua Wang (Princeton), Paul Wedrich (Hamburg)

Claire Amiot (Grenoble), Emily Barnard (Chicago), Pierre Bodin (Versailles), Bangming Deng (Tsinghua), Karin Baur* (Bochum), Karin Erdmann (Oxford), Sira Gratz* (Aarhus), Pierre-Guy Plamondon (Versailles), Yu Qiu (Tsinghua), Sunny Roy (Sherbrooke), Ralf Schiffler (Connecticut), Sibylle Schroll (Cologne), Hugh Thomas (UQAM), Gordana Todorov (Northeastern), Hippolito Treffinger (Buenos Aires), Emine Yıldırım* (Leeds)

Stephen Griffeth (Talca), Vojtěch Havlíček (IBM Quantum), Christian Ikenmeyer (Warwick), Kyu-Hwan Lee (Connecticut), Cristian Lenart (Albany), Ryan O’Donnell (Carnegie Mellon), Rosa Orellana (Dartmouth), Franco Saliola (Québec), Travis Scrimshaw (Hokkaido), Sheila Sundaram (Minnesota), Joshua Swanson (USC), Lauren Williams (Harvard), Alexander Yong (Illinois), Chenchen Zhao (UC Davis), Jieru Zhu (Queensland)

Andrea Appel (Parma), Martina Balagović (Newcastle), Iva Halacheva (Northeastern), Stefan Kolb (Newcastle), Ruslan Maksimau (Cergy-Pontoise), Evgeny Mukhin (Indiana), Andrei Neguț (EPFL), Euiyong Park (Seoul), Nicolai Reshetikhin (Tsinghua), Lewis Topley (Bath), Alexander Tsymbaliuk (Purdue), Weiqiang Wang (Virginia), Michela Varagnolo (Cergy-Pontoise), Eric Vasserot (IMJ–PRG Paris), Bart Vlaar (BIMSA), Huafeng Zhang (Lille)

Dave Benson, Teresa Conde, Bill Crawley-Boevey, Ben Davison, Maud De Visscher, Stephen Donkin, Radha Kessar, Gus Lehrer, Rowena Paget, Olivier Schiffman