Quasimorphisms on surfaces and continuity in the Hofer norm

Khanevsky, M

Khanevsky, M (通讯作者),Technion Israel Inst Technol, Math Dept, IL-32000 Haifa, Israel.

JOURNAL OF TOPOLOGY AND ANALYSIS, 2023; ():

Abstract

There are a number of known constructions of quasimorphisms on Hamiltonian groups. We show that on surfaces many of these quasimorphisms are not compa......

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