On Gromov Width under $C^0$ Deformations

Fuente: arXiv
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Autore principale: Cattalani, Spencer
Natura: Preprint
Pubblicazione: 2025
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author Cattalani, Spencer
author_facet Cattalani, Spencer
contents We construct a uniformly bounded symplectic structure on $S^2 \times \mathbb{R}^4$ admitting embeddings by arbitrarily large balls. This provides a counterexample to a recent conjecture of Savelyev. We then prove the conjecture holds for a wide class of examples, generalizing a result by Savelyev. Along the way, we clarify some aspects of pseudoholomorphic curve theory in non-compact manifolds.
format Preprint
id arxiv_https___arxiv_org_abs_2507_11466
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle On Gromov Width under $C^0$ Deformations
Cattalani, Spencer
Symplectic Geometry
32Q65, 32Q60, 53D05
We construct a uniformly bounded symplectic structure on $S^2 \times \mathbb{R}^4$ admitting embeddings by arbitrarily large balls. This provides a counterexample to a recent conjecture of Savelyev. We then prove the conjecture holds for a wide class of examples, generalizing a result by Savelyev. Along the way, we clarify some aspects of pseudoholomorphic curve theory in non-compact manifolds.
title On Gromov Width under $C^0$ Deformations
topic Symplectic Geometry
32Q65, 32Q60, 53D05
url https://arxiv.org/abs/2507.11466