https://deepai.org/publication/winding-number-and-circular-4-coloring-of-signed-graphs
Winding number and circular 4-coloring of signed graphs | DeepAI
Jul 10, 2023 - 07/10/23 - Concerning the recent notion of circular chromatic number of signed graphs, for each given integer k we introduce two signed bipar...
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https://www.ias.edu/video/analysisbeyond/2016/0522-HaimBrezis
Old-new perspectives on the winding number | Videos | Institute for Advanced Study
May 26, 2016 - Analysis and Beyond - Celebrating Jean Bourgain's Work and Impact
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