Mathematics – Geometric Topology
Scientific paper
2010-07-21
J. Topol. Anal. 2 (2010), 543-579
Mathematics
Geometric Topology
32 pages
Scientific paper
Following a line of reasoning suggested by Eliashberg, we prove Cerf's
theorem that any diffeomorphism of the 3-sphere extends over the 4-ball. To
this end we develop a moduli-theoretic version of Eliashberg's
filling-with-holomorphic-discs method.
Geiges Hansjörg
Zehmisch Kai
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