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math.AP2022★ 1 cited
Why bootstrapping for -holomorphic curves fails in
Hansjörg Geiges, Murat Sağlam, Kai Zehmisch
We present a simple example for the failure of the Calderón-Zygmund estimate for the -operator when the Sobolev -norms are replaced by the -norms. This…
math.GT2022★ 2 cited
Klein bottles in lens spaces
Hansjörg Geiges, Norman Thies
Bredon and Wood have given a complete answer to the embeddability question for nonorientable surfaces in lens spaces. They formulate their result in terms of a recursive formula th…