The disk complex and topologically minimal surfaces in the 3-sphere

Publication Date

12-1-2020

Document Type

Article

Publication Title

Journal of Knot Theory and Its Ramifications

Volume

29

Issue

14

DOI

10.1142/S0218216520500923

Abstract

We show that the disk complex of a genus g > 1 Heegaard surface for the 3-sphere is homotopy equivalent to a wedge of (2g - 2)-dimensional spheres. This implies that genus g > 1 Heegaard surfaces for the 3-sphere are topologically minimal with index 2g - 1.

Keywords

3-sphere, disk complex, Heegaard surfaces, Topologically minimal surfaces

Department

Mathematics and Statistics

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