Wee Math Seminar

What started as an informal meeting between postdocs and graduate students to chat about mathematics (in the Autumn of 2021 we talked about quivers and their representations, Grassmannians, Hilbert schemes, and other constructions in algebraic geometry) is now a wee bit more structured. You can send questions to Sam (about logistics) or Charlotte (about scheduling).

We meet on Fridays at 15:00 or 16:00, usually in room 110 or 311B.

2023

2022

• (2023) November 03 — Sam — What is... an intersection arrangement

• October 20 — Charlotte —

• October 13 — Parth —

• October 06 — Marina —

• September 29 — Matt —

• September 08 — Charlotte — What is... a stringy Kähler moduli space

• September 01 — Franco — Compactification of stability manifolds

• August 25 — Wahei — Weak Fano bundles

• August 18 — Matt — What is... an extriangulated category

• August 11 — Franco — Mirror symmetry for del Pezzo surfaces of degree 2

• June 09 — Parth — Coherent sheaves on curves

• June 02 — Sam/Franco — Real variation of stability conditions from hyperbolic graphs

• May 12 — Isambard — Homologically fd objects in triangulated categories

• May 05 — Dave — "Viva"

• Apr 28 — Parth — Canonical singularities

• (2022) Sep 02 — Sam — Hyperbolic quivers

• Aug 26 — Matt — Stability, scattering and (co)silting

• Aug 19 — Wahei — Van den Bergh tilting bundle

• Aug 12 — Caroline — Faithful actions from hyperplane arrangements

• Jul 29 — Franco — Derived McKay correspondence

• Jul 15 — Dave — Grothendieck groups of discrete cluster categories

• Jul 08 — Charlotte — Homological mirror symmetry and spherical objects

• Jul 01 — Isambard — Stable homotopy theory and spectra

• Jun 24 — Dave — Cluster algebras and cluster categories

• Jun 17 — Matt — Q&A

• Jun 10 — Matt/Dave — Frieze patterns and derived categories

• Jun 03 — Okke van Garderen — Enumerative invariants

• May 20 — Sam — Tilting on quiver varieties II

• May 13 — Sam — Tilting on quiver varieties I

• Apr 29 — Wahei — Linear systems

• Apr 22 — Franco — Divisors and line bundles

• Apr 15 — Franco — Q&A

• Apr 08 — Matt — Derived equivalences / Cluster-tilting

• Apr 01 — Ana — Classical tilting (book I used)

• Mar 25 — Franco — Bridgeland stability

• Mar 11 — Brian — The Artin component of cyclic surface singularities

• Mar 04 — Marina/Wahei — Tilting/Silting discrete categories

• Feb 25 — Franco/Marina — Derived categories/t-structures

• Feb 16 — Isambard — Triangulated and exact categories

• Feb 11 — Wahei — Classical McKay correspondence

• Feb 04 — Caroline — Braid groups

• Jan 28 — Sam — Gabriel's theorem

• (2022) Jan 21 — Charlotte — GIT

• Dec 10 — Franco — Divisors I

• Nov 26 — Franco — Hilbert Schemes

• (2021) Nov 19 — Franco — Grassmannians

• (2023) Apr 21 — Franco — Final examples

• Mar 17 — Franco — §5.3 (Reduction to surfaces)

• Mar 10 — Sam — §5.2 (Tracking stability)

• Mar 03 — Parth — §5.1 (GIT background)

• Feb 17 — Charlotte — §4.4 (Auslander–McKay revisited)

• Feb 03 — Caro — §4.3 (Flops and mutation revisited)

• Jan 27 — Charlotte — §4.2 (Auslander–McKay correspondence)

• Jan 20 — Caro — §4.1 (Flops and mutation)

• (2022) Nov 25 — Marina — §3b (Contractions)

• Nov 18 — Marina — §3a (Deformations)

• Nov 11 — Dave — §2.3b (Mutation continued)

• Nov 04 — Dave — §2.3a (Mutation)

• Oct 28 — Franco — §2.2b (Tilting)

• Oct 21 — Franco — §2.2a (Perverse sheaves)

• Oct 14 — Sam — §2.1 (General background)

• Oct 06 — Michael — §1 (Introduction)