Displaying similar documents to “On the Pick invariant”

Some conditions for a surface in E s p 4 to be a part of the sphere S s p 2

Jarolím Bureš, Miloš Kaňka (1994)

Mathematica Bohemica

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In this paper some properties of an immersion of two-dimensional surface with boundary into E s p 4 are studied. The main tool is the maximal principle property of a solution of the elliptic system of partial differential equations. Some conditions for a surface to be a part of a 2-dimensional spheren in E s p 4 are presented.