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Paper detail

Nonuniqueness for a fully nonlinear, degenerate elliptic boundary value problem in conformal geometry

We study the problem of conformally deforming a manifold with boundary to have vanishing σ4-curvature in the interior and constant H4- curvature on the boundary. We prove that there are geometrically distinct solutions using bifurcation results proven by Case, Moreira and Wang. Surprisingly, our construction via products of a sphere and hyperbolic space only works for a finite set of dimensions.

preprint2020arXivOpen access
Zhengyang Shan
math.DG
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Zhengyang Shan

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