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arXiv · 2405.03444

Donaldson divisors and spectral invariants

Yusuke Kawamoto
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Abstract

We establish a comparison between spectral invariants for a symplectic manifold and a Donaldson divisor therein, and answer a question of Borman from 2012 on the reduction of Entov--Polterovich quasimorphisms, under a reasonable assumption. The method involves a quantitative interpretation of Biran--Khanevsky's quantum Gysin sequence.

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Yusuke Kawamoto. 2024-05-06. Donaldson divisors and spectral invariants. https://arxiv.org/abs/2405.03444

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