Seminars & Colloquia Calendar
Recent progress on the Erdos-Hajnal Conjecture
Maria Chudnovsky (Princeton)
Location: zoom
Date & time: Wednesday, 03 March 2021 at 3:30PM - 4:30PM
Abstract: The Erdos-Hajnal conjecture states that for every graph H there is a constant epsilon(H) such that every n-vertex graph with no induced subgraph
isomorphic to H has a clique or a stable set of size n^{epsilon}. This conjecture has only been verified for a few graphs H, and in particular until recently it remained open for the case when H is a cycle of length 5. This special case received a considerable amount of attention. In this talk we will survey some known results, and discuss the recent proof for the case of a cycle of length 5.
This is joint work with Alex Scott, Paul Seymour and Sophie Spirkl.
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Narek Hovsepyan and Ewerton Rocha Vieira Organizer's page
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Sepehr Assadi Seminar webpage
Jeffry Kahn, Bhargav Narayanan, Jinyoung Park Organizer's webpage
Robert Dougherty-Bliss and Doron Zeilberger --> homepage
Paul Feehan, Daniel Ketover, Natasa Sesum Organizer's webpage
Lev Borisov, Emanuel Diaconescu, Angela Gibney, Nicolas Tarasca, and Chris Woodward Organizer's webpage
Hong Chen Seminar webpage
Fanxin Wu and Nkhalo Malawo Organizer's website
James Holland; Organizer website
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Yanyan Li, Zheng-Chao Han, Jian Song, Natasa Sesum Organizer's Webpage
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Yanyan Li, Zheng-Chao Han, Natasa Sesum, Jian Song Organizer's Page
Lisa Carbone, Yi-Zhi Huang, James Lepowsky, Siddhartha Sahi Organizer's webpage
Simon Thomas website
Kasper Larsen, Daniel Ocone and Kim Weston Organizer's page
Joel Lebowitz, Michael Kiessling
Yanyan Li, Dennis Kriventsov Organizer's Webpage
Alex V. Kontorovich, Vlada Sedláček seminar website
Stephen D. Miller
Organizers: Yanyan Li, Z.C. Han, Jian Song, Natasa Sesum
Kristen Hendricks, Xiaochun Rong, Hongbin Sun, Chenxi Wu Organizer's page
Fioralba Cakoni Seminar webpage
Organizer's webpage: Organizer's webpage
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