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Equitable list coloring of planar graphs with given maximum degree

Event Type
Seminar/Symposium
Sponsor
Department of Mathematics
Location
111 Gregory Hall
Date
Oct 31, 2023   1:00 pm  
Speaker
Zimu Xiang
Contact
Peter Bradshaw
E-Mail
pb38@illinois.edu
Phone
217-898-4426
Views
15
Originating Calendar
Combinatorics Research Area Calendar

Speaker: Zimu Xiang (UIUC)

Title: Equitable list coloring of planar graphs with given maximum degree

Abstract: Motivated by Brooks' Theorem and Hajnal-Szemerédi Theorem, Chen-Lih-Wu conjecture states that every r-colorable graph G with maximum degree at most r should admit an equitable r-colorable unless r is odd and G contains K_{r,r}. In this talk, we confirm a list analog of the Chen-Lih-Wu conjecture for planar graph with maximum degree at least nine. Together with previous results, we also confirm a list analog of Hajnal-Szemerédi Theorem for planar graphs.


This is joint work with Hal Kierstead and Alexandr Kostochka.

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