# Seminars & Colloquia Calendar

## Combinatorial Nullstellensatz and List Coloring

#### Vishwas Bhargava, Rutgers

Location: ** Hill 701 (GSL)**

Date & time: Wednesday, 10 April 2019 at 12:15PM - 1:15PM

Abstract: | We will study a more general notion of Graph Coloring in which the set of permitted colors is different for each vertex, as long as at least {k} colors are listed at each vertex. This leads to the notion of a so-called choice number, which was introduced by Erd?s, Rubin, and Taylor. We will prove an interesting upper bound on choice number using Combinatorial Nullstellensatz. |
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Brooke Logan

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Joel Lebowitz, Michael Kiessling

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Stephen D. Miller, John C. Miller, Alex V. Kontorovich, Alex Walker seminar website

Stephen D. Miller

Brooke Ogrodnik, Website

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Yael Davidov Seminar webpage

Kristen Hendricks, Xiaochun Rong, Hongbin Sun, Chenxi Wu Organizer's page

Fioralba Cakoni Seminar webpage

Ebru Toprak, Organizer

Organizer's webpage: Organizer's webpage

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