The William Rowan Hamilton Geometry and Topology Workshop: Celebrating Martin Bridson's 60th Birthday
30 June–4 July 2025
The Hamilton Mathematics Institute,
Trinity College Dublin
Location:
Joly Theatre, Hamilton Conference Centre, Trinity College, Dublin, Ireland
Registration:
Registration for this event is now closed.
Getting to the Event:
https://maps.app.goo.gl/4VVMhhXQaG9oxZhQ7
Accommodation
If you are staying at Trinity College all details about check-in can be found here
Abstracts
Speakers
Ian Agol University of Berkeley California
Mladen Bestvina University of Utah
Tara Brendle University of Glasgow
Emmanuel Breuillard University of Oxford
Pierre-Emmanuel Caprace UCLouvain
Ruth Charney Brandeis University
Koji Fujiwara Kyoto University
Giles Gardam University of Bonn
Kasia Jankiewicz University of California Santa Cruz
Dessislava Hristova Kochloukova State University of Campinas
Claudio Llosa Isenrich Karlsruhe Institute of Technology (KIT)
Alex Lubotzky The Weizmann Institute
Wolfgang Lück University of Bonn
Jean Pierre Mutanguha McGill University
Tatiana Nagnibeda University of Geneva
Alan Reid Rice University
Rich Schwartz Brown University
Matt Stover Temple University
Anne Thomas University of Sydney
Karen Vogtmann University of Warwick
Richard Wade University of Oxford
Schedule
TIME | Speaker |
| 9.30-10.20 | Alan Reid (Rice) Profinite rigidity: past present, future |
| 10.30-11.00 | COFFEE BREAK |
| 11.00-11.50 | Emmanuel Breuillard (Oxford) Word maps and character varieties |
| 12.00-2.00 | LUNCH |
| 2.00-2.50 | Koji Fujiwara (Kyoto) Well-ordered growth rates in families of groups of negative curvature |
| 3.00-3.50 | Tara Brendle (Glasgow) The kernel of the Birman-Craggs-Johnson homomorphism |
| 4.00-4.30 | COFFEE BREAK |
| 4.30-5.20 | Giles Gardam (Bonn) Groups, rings, and geometry |
Time | Speaker |
| 9.30-10.20 | Mladen Bestvina ( Utah) |
| 10.30-11.00 | COFFEE BREAK |
| 11.00-11.50 | Ruth Charney (Brandeis) Outer Space for Right-Angled Artin Groups |
| 12.00-2.00 | LUNCH |
| 2.00-2.50 | CLAY LECTURE: Alex Lubotzky (Weizmann Inst.) From group theory to computer science and back |
| 3.00-3.50 | Matt Stover, Temple University High dimensional hyperbolic Coxeter groups that virtually fiber |
| 4.00-4.30 | COFFEE BREAK |
| 4.30-5.20 | Claudio Llosa Isenrich (KIT) From geometric group theory to complex geometry (and back) |
| 4.00-6.30 | POSTER SESSION IPosters will be displayed from beginning of afternoon coffee break |
Time | Speaker |
| 9.00-9.50 | CLAY LECTURE: Karen Vogtmann (Warwick) Graphs, surfaces, and handlebodies: markings and boundary complexes |
| 10.00-10.30 | COFFEE BREAK |
| 10.30-11.20 | Dessislava Kochloukova (State University of Campinas) Weak commutativity, virtually nilpotent groups, and Dehn functions |
| 11.30-12.20 | Richard Schwartz (Brown) The optimal paper Moebius band |
FREE AFTERNOON |
Time | Speaker |
| 9.30-10.20 | Ian Agol (UC Berkeley) Hyperbolic lattices as automorphism groups |
| 10.30-11.00 | COFFEE BREAK |
| 11.00-11.50 | Anne Thomas (Sydney) Reflections, cubulations and Kazhdan-Lusztig polynomials |
| 12.00-2.00 | LUNCH |
| 2.00-2.50 | Kasia Jankiewicz (UC Santa Cruz) Cubical quotients of cubical nonproducts |
| 3.00-3.50 | Richard Wade (Oxford) Duality for Cohen-Macaulay complexes and the top dimensional cohomology of Out(F_N) |
| 4.00-4.30 | COFFEE BREAK |
| 4.30-5.20 | Tatiana Nagnibeda (Geneva) Groups acting on rooted trees and their subgroups |
| 4.00-6.30 | POSTER SESSION II |
| 7.00-10.00 | CONFERENCE BANQUETBanquet will be held in the Trinity College Dining Hall located in front square |
Time | Speaker |
| 9.00-9.50 | Pierre-Emmanuel Caprace (UCLouvain) Some BMW groups I have known |
| 10.00-10.30 | COFFEE BREAK |
| 10.30-11.20 | Jean Pierre Mutanguha (McGill) Canonical decompositions of free-by-cyclic groups |
| 11.30-12.20 | Wolfgang Lück (Bonn) K-theory, groups, and geometry |
END OF CONFERENCE | |
Martin Bridgeman Boston College
Tommaso Cremaschi Trinity College Dublin
Daniel Groves University of Illinois at Chicago
Dawid Kielak University of Oxford
Timothy Riley Cornell University
Kim Ruane Tufts University
Sam Shepherd University of Münster
Henry Wilton University of Cambridge
Get in touch
Contact the organisers at @email
Family Care
Participants with family care responsibilities are encouraged to attend the workshop. Participants can arrange family care as needed through the recommended service Childminding Ireland which has provided family care for past William Rowan Hamilton workshops.
Acknowledgements
We gratefully acknowledge the support of the following sponsors the Clay Mathematics Institute, ERC Grants 850930 and 101076148, the Hamilton Mathematics Institute, the International Centre for Mathematical Sciences, the University of Bonn, NSF, and the Simons Foundation.
 | This conference has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 and Horizon Europe research and innovation programmes (Grant agreements No. 850930 and No. 101076148) | |
 | This conference was supported by a grant from the Simons Foundation | |
 | This conference was supported by a grant from the International Centre for Mathematical Sciences | |
 |
| Organised in partnership with the Clay Mathematics Institute |
 | This conference was supported by a grant from NSF | |
| Hosted by and organised in partnership with the Hamilton Mathematical Institute | |