吴文俊数学重点实验室微分几何与分析系列讲座之四十七

报告人： Prof. Bernhard, Kawohl
         德国科隆大学教授

报告题目：On buttons and balls that cannot  run away

报告时间：2013年4月22日 周一 下午15:00-16:00

报告地点：管理科研楼1518室

摘要: This lecture presents convex sets of constant width. They are characterized by the fact that any two nonidentical tangent lines or tangent planes have the same distance from each other, but they are not necessarily discs (in the plane) or balls (in 3-space). I will show how such sets can be used to drill square holes, and that the ignorance of such sets had fatal consequences in American space flight program. I shall also report on a long-standing open conjecture and its recent development. The talk contains also some video clips and is suitable for a general audience of mathematics or engineering students.

主办单位: 365英国上市官网

          中科院吴文俊数学重点实验室

 
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