Blaschke ’ s problem for timelike surfaces in pseudo - Riemannian space forms
نویسنده
چکیده
We show that isothermic surfaces and S-Willmore surfaces are also the solutions to the corresponding Blaschke’s problem for both spacelike and timelike surfaces in pseudoRiemannian space forms. For timelike surfaces both Willmore and isothermic, we obtain a description by minimal surfaces similar to the classical results of Thomsen.
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