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arxiv: math/0605350 · v1 · submitted 2006-05-13 · 🧮 math.SG · math.GT

Minimal atlases of closed symplectic manifolds

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keywords closednumberomegasymplecticaboveatlasesbelowcategory
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We study the number of Darboux charts needed to cover a closed connected symplectic manifold $(M,\omega)$, and effectively estimate this number from below and from above in terms of the Lusternik--Schnirelmann category of $M$ and the Gromov width of $(M,\omega)$.

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