Combinatorics Lectures Online

Organizers: Jacob Fox and Paul Seymour.


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Forthcoming talks

Mon Jun 14, 10:00 ET (= 14:00 UTC): Nicolás Sanhueza-Matamala (Czech Academy of Sciences, ``Degree conditions for spanning structures in dense graphs'', abstract (Extremal and probabilistic combinatorics webinar), Zoom link, password is the first 6 prime numbers.

Mon Jun 14, 11:30 ET: Janoš Vidali (Ljubljana), ``Computing distance-regular graph and association scheme parameters in SageMath with sage-drg'', abstract (Waterloo algebraic graph theory seminar), Zoom link will be mailed to the CLO list.

Mon Jun 14, 15:00 ET: Youngho Yoo (Georgia Tech), ``Packing A-paths of length 0 modulo a prime'', abstract (Matroid union seminar), Zoom link, password will be mailed to the CLO list.

Wed Jun 16, 04:00 ET (= 17:00 Seoul time): Alan Lew, ``Representability and boxicity of simplicial complexes'', abstract (IBS seminar), Zoom ID: 934 3222 0374, password ibsdimag.

Wed Jun 16, 13:30 ET (= 10:30 Pacific time): Akbar Rafiey (SFU), ``Fast and private submodular and k-submodular functions maximization with matroid constraints'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.

Thu Jun 17, 08:30 ET (= 14:30 Paris time): Eva Rotenberg (TU Denmark), ``Fully-dynamic planarity testing in polylogarithmic time'', abstract (GRAA seminar), joining link.

Thu Jun 17, 14:00 ET: Rebecca Patrias (U St Thomas), ``Webs and tableau promotion'', abstract (WinCom colloquium), Zoom link.

Fri Jun 18, 09:00 ET (= 14:00 UK time): Vishesh Jain (Stanford), ``Towards the sampling Lovász Local Lemma'', abstract (Warwick combinatorics), Zoom link, password is WC2021.

Mon Jun 21, 10:00 ET (= 14:00 UTC): Raphael Yuster (Haifa), ``Hamilton cycles above expectation in r-graphs and quasi-random r-graphs'', abstract (Extremal and probabilistic combinatorics webinar), Zoom link, password is the first 6 prime numbers.

Mon Jun 21, 11:30 ET: Paula Kimmerling, ``TBA'', abstract (Waterloo algebraic graph theory seminar), Zoom link will be mailed to the CLO list.

Mon Jun 21, 15:00 ET: Sebastian Wiederrecht (Montpellier), ``TBA'', abstract (Matroid union seminar), Zoom link TBA, password will be mailed to the CLO list.

Wed Jun 23, 13:30 ET (= 10:30 Pacific time): Rebecca Patrias (U St Thomas), ``TBA'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.

Thu Jun 24, 14:00 ET: Sommer Gentry (US Naval Acad), ``TBA'', abstract (WinCom colloquium), Zoom link TBA.

Fri Jun 25, 09:00 ET (= 14:00 UK time): Tom Kelly (Birmingham), ``TBA'', abstract (Warwick combinatorics), Zoom link, password is WC2021.

Mon Jun 28, 10:00 ET (= 14:00 UTC): David Correia (ETH Zurich), ``Tight bounds for powers of Hamilton cycles in tournaments'', abstract (Extremal and probabilistic combinatorics webinar), Zoom link, password is the first 6 prime numbers.

Mon Jun 28, 11:30 ET: Steve Kirkland, ``TBA'', abstract (Waterloo algebraic graph theory seminar), Zoom link will be mailed to the CLO list.

Mon Jun 28, 15:00 ET: Carla Groenland (Utrecht), ``TBA'', abstract (Matroid union seminar), Zoom link TBA, password will be mailed to the CLO list.

Wed Jun 30, 13:30 ET (= 10:30 Pacific time): Haggai Liu, ``Enumerative properties of cogrowth series on free products of finite groups'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.

Thu Jul 1, 08:30 ET (= 14:30 Paris time): Vincent Cohen-Addad (Google Zürich), ``A quasipolynomial (2+epsilon)-approximation for planar sparsest cut'', abstract (GRAA seminar), joining link.

Fri Jul 2, 09:00 ET (= 14:00 UK time): Will Perkins (Chicago), ``TBA'', abstract (Warwick combinatorics), Zoom link, password is WC2021.

Wed Jul 7, 13:30 ET (= 10:30 Pacific time): Christin Bibby (LSU), ``TBA'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.

Wed Jul 14, 13:30 ET (= 10:30 Pacific time): Yifan Jing (UIUC), ``TBA'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.

Wed Jul 21, 13:30 ET (= 10:30 Pacific time): Sophie Spirkl (Waterloo), ``TBA'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.

Tue Jul 27, 21:00 ET (= Wed Jul 28, 10:00 Seoul time), Maria Chudnovsky (Princeton), ``TBA'', abstract (IBS seminar), Zoom ID: 934 3222 0374, password ibsdimag.

Wed Jul 28, 13:30 ET (= 10:30 Pacific time): Anarag Bishnoi (Delft), ``TBA'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.

Wed Aug 4, 13:30 ET (= 10:30 Pacific time): Abhinav Shantanam (SFU), ``TBA'', abstract (SFU discrete math seminar), Zoom link, password will be mailed to the CLO list.


This is a list of future online talks in combinatorics. There is also a mailing list, to which we will email this week's activities, perhaps twice a week. If you would like to be added or removed from the list, please send email to pds@math.princeton.edu with a university email address, or a one-line description of who you are.

If you have a talk that you would like to be listed here, please send to Paul Seymour (pds@math.princeton.edu) the title, day, time and time-zone, name and affiliation of the speaker, name of hosting institution, the link to join the meeting, and a link to the abstract (not the abstract itself). If you let us know the password, we will mail it out to the people on the mailing list.

See also Virtual Combinatorics Colloquium, Oxford Discrete Mathematics and Probability Seminar, and CS Theory Online Talks.

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