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摘要
Using the Cartan isoparametric cubic, we construct a singular critical point of a variational free boundary problem in 5 dimensions which is homogeneous of degree 1. The intersection of the free boundary with S-4 consists of certain level sets of the Cartan cubic, and thus admits a three dimensional automorphism group.
- 出版日期2015-6-15
- 单位西安交通大学
