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PRODID:-//Discrete Mathematics Group - ECPv6.15.20//NONSGML v1.0//EN
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X-ORIGINAL-URL:https://dimag.ibs.re.kr
X-WR-CALDESC:Events for Discrete Mathematics Group
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TZID:Asia/Seoul
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TZOFFSETFROM:+0900
TZOFFSETTO:+0900
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DTSTART:20190101T000000
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BEGIN:VEVENT
DTSTART;TZID=Asia/Seoul:20201222T163000
DTEND;TZID=Asia/Seoul:20201222T173000
DTSTAMP:20260419T171111
CREATED:20201208T060000Z
LAST-MODIFIED:20240705T192115Z
UID:3349-1608654600-1608658200@dimag.ibs.re.kr
SUMMARY:Jinha Kim (김진하)\, On a conjecture by Kalai and Meshulam - the Betti number of the independence complex of ternary graphs
DESCRIPTION:Given a graph G=(V\,E)\, the independence complex of G is the abstract simplicial complex I(G) on V whose faces are the independent sets of G. A graph is ternary if it does not contain an induced cycle of length divisible by three. Kalai and Meshulam conjectured that if G is ternary then the sum of the Betti numbers of I(G) is either 0 or 1. In this talk\, I will introduce a result by Zhang and Wu\, which proves the Kalai-Meshulam conjecture.
URL:https://dimag.ibs.re.kr/event/2020-12-22/
LOCATION:Room B232\, IBS (기초과학연구원)
CATEGORIES:Discrete Math Seminar
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