Subleading asymptotics of link spectral invariants and homeomorphism groups of surfaces

2022/06/21 by Cristofaro-Gardiner, Dan, Humilière, Vincent, Mak, Cheuk Yu +2 · 3 citations
#53D40 37E30 #Dynamical Systems (math.DS) #FOS: Mathematics #Symplectic Geometry (math.SG)

paper · doi:10.48550/arxiv.2206.10749

Abstract

This paper continues the study of link spectral invariants on compact surfaces, introduced in our previous work and shown to satisfy a Weyl law in which they asymptotically recover the Calabi invariant. Here we study their subleading asymptotics on surfaces of genus zero. We show the subleading asymptotics are bounded for smooth time-dependent Hamiltonians, and recover the Ruelle invariant for autonomous disc maps with finitely many critical values. We deduce that the Calabi homomorphism admits infinitely many extensions to the group of compactly supported area-preserving homeomorphisms, and that the kernel of the Calabi homomorphism on the group of hameomorphisms is not simple.

Cited by

• On quasimorphisms and distortion in homeomorphism groups
• Orbifold Floer spectral invariants, symmetric product links and Weyl laws
• On link quasimorphisms on the sphere and the equator conjecture

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