Additivity of support norm of tight contact structures

2019/02/21 by Vértesi, Vera
#FOS: Mathematics #Geometric Topology (math.GT) #Symplectic Geometry (math.SG)

paper · doi:10.48550/arxiv.1902.08030

Abstract

The support norm sn(ξ) of a contact structure ξ is the minimum of the negative Euler characteristics of the pages of the open books supporting ξ. In this paper we prove additivity of the support norm for tight contact structures.

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