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张永胜学术报告
发表时间:2017-12-07 阅读次数:7次

题目: On Lawson Osserman Constructions

报告人: 张永胜 (东北师范大学)

地点:宁静楼110 室

时间:2017年12月7日  星期四 下午16:00-17:00

摘要:The 1977’ Acta paper by Lawson-Osserman studied the Dirichlet problem for minimal surfaces of high codimensions. Several astonishing results essentially distinct from the case of codimension 1 were obtained there. In particular, they found Lipschitz but non-C1 solutions to the problems associated to Hopf maps between unit spheres. Recently we made systematic developments and discovered certain interesting new phenomena on the existence, non-uniqueness, non-minimizing and minimizing properties of solutions to related Dirichlet problems. This talk is based on joint works with Xiaowei XU and Ling YANG.

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