演講公告

演講主題：An Erdos-Szekeres Type Problem Concerning Planar Point Sets
主講人：丁仁教授(河北師範大學)
演講日期：97年11月18日(星期二)<br>下午3:40-4:30
演講地點：(光復校區)科學一管223室
摘要內容：
Based on the most famous problem concerning planar point sets posed by Erdos and Szekeres in 1935, Avis, Hosono and Urabe investigated in 2001 the following attractive problem: for any positive integerk determine the smallest integer g(k) such that every set of points containing at least g(k) interior points has a convex subset containing exactly k interior points. We discuss the lower bound of g(k) and exact value of g(3).

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