科研之友
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摘要
We develop a bubble tree construction and prove compactness result's for W-2,W-2 branched conformal immersions of closed Riemann surfaces, with varying conformal structures whose limit may degenerate, in R-n with uniformly bounded areas and Willmore energies. The compactness property is applied to construct Willmore type surfaces in compact Riemannian manifolds. This includes (a) existence of a Willmore 2-sphere in S-n with at least 2 nonremovable singular points (b) existence of minimizers of the Willmore functional with prescribed area in a compact manifold N provided (i) the area is small when genus is 0 and (ii) the area is close to that of the area minimizing surface of Schoen-Yau and Sacks-Uhlenbeck in the homot
- 出版日期2014-8
- 单位清华大学
