Schedule of talks for 2018
(Abstracts on the seminar webpage
http://www.math.mcgill.ca/rags/seminar/seminars18.html )


18 September 2018
2:30 - 3:30   Yann Pequignot (McGill)
An introduction to better-quasi-orders
Abstract

25 September 2018
2:30 - 3:30   Yann Pequignot (McGill)
Finite versus infinite, an intricate shift
Abstract

2 October 2018
2:30 - 3:30   David Schrittesser (Vienna)
The Ramsey property, uniformization, and higher dimensional MAD
families
Abstract

9 October 2018
2:30 - 3:30   M Barr (McGill)
Contractible simplicial objects
Abstract   [Slides]

16 October 2018
2:30 - 3:30   M Sabok (McGill)
Automatic continuity and Fraisse theory
Abstract
23 October 2018
2:30 - 3:30   M Makkai (McGill)
Some (possibly weakly) closed categories
Abstract

Wednesday, 24 October 2018
(Not in this seminar series, but perhaps of interest to its
participants:)
3:00pm   M Sabok (McGill) in the McGill GGT seminar
The Hrushovski property for hypertournaments and profinite topologies
Location: BH1104
Abstract

30 October 2018
2:30 - 3:30   M Makkai (McGill)
Some (possibly weakly) closed categories Part 2
Abstract

6 November 2018
2:30 - 3:30   Christoph Dorn (Oxford)
Manifolds and higher categories
Abstract

Wednesday, 7 November 2018
(Joint with the GGT seminar series)
3:00pm   Timothée Marquis (Université Catholique de Louvain)
On geodesic ray bundles in buildings
Location: BH1104
Abstract

13 November 2018
2:30 - 3:30   Shael Brown (McGill)
The Decidability of Continuous Quantitative Equational Logic
Abstract

20 November 2018
2:30 - 3:30   Luigi Santocanale (Aix-Marseille)
(Un)Decidability of logical theories of the natural join and inner
union. (Generalized ultrametric spaces for databases)
Abstract

27 November 2018
2:30 - 3:30   Yann Pequignot (McGill)
Embeddability on functions: order and chaos
Abstract

Friday, 30 November 2018
(Not in this seminar series, but perhaps of interest to its
participants:)
4:00pm   M Sabok (McGill) (in the Colloque des sciences mathématiques
du Québec)
Completeness of the isomorphism problem for separable C*-algebras
Location: BH1104
Abstract

4 December 2018
2:30 - 3:30   Eduardo Dubuc (UBA)
The 2-localization of a Quillen's model category
Abstract (HTML version)
[Slides]

Thursday, 6 December 2018
(Not in this seminar series, but perhaps of interest to its
participants:)
2:00pm   M. Makkai (McGill)
The treatment of Cantorian Sets by Bourbakian abstract set-theory
Location: 2910 Edouard-Montpetit (next to Metro Université de
Montréal), room 422. (The Philosophy Department)
Abstract

Friday, 7 December 2018
(Not in this seminar series, but perhaps of interest to its
participants:)
10:00am   M Sabok (McGill) (CIRGET)
Circle squaring and actions of Zn
Location: PK-5115, Président-Kennedy Building, UQAM
Abstract

Thursday, 13 December 2018
4:00 - 5:00 Anush Tserunyan (Urbana-Champaign)
An ergodic advertisement for descriptive graph combinatorics
Location: BH 1104
Abstract

18 December 2018
2:30 - 3:30 S. Desrochers (McGill)
Clouds in higher dimensions
Abstract

5 February 2019
2:30 - 3:30   David Schrittesser (Vienna)
Ideals with and without definable selectors
Abstract

19 February 2019
2:30 - 3:30   Raphael Carroy (Vienna)
The Open Graph Dichotomy and the second level of the Borel hierarchy
Abstract

19 March 2019
Note: For this talk, we meet in BH 1104.
2:30 - 3:30   Andrew Marks (UCLA)
A constructive solution to Tarski's circle squaring problem
Abstract
Special session of the seminar

Thursday 21 March 2019
2:30 - 3:30   Andrew Marks (UCLA)
Measurable solutions to abstract systems of congruence
Location: BH 920
Abstract

26 March 2019
2:30 - 3:30   M Barr (McGill)
Tracking the snake to its lair
[Abstract]
 

Preview 2019-2020
10 Sept 2019
2:30-3:30   David Spivak (MIT)
Graphical presentations of abelian categories
[Abstract]