Lalonde–? higher homotopical stabilization conjecture for symplectic ball embeddings

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Let XX be a symplectic manifold, and let Embk(ci)Emb_k(c_i) denote the space of embeddings of kk symplectic balls with capacities cic_i. Let Conf⁡k(X)\operatorname{Conf}_k(X) be the configuration space of kk points in XX, and consider the forgetful map to the centers

σ:Embk(ci)→Conf⁡k(X).\sigma:Emb_k(c_i)\to \operatorname{Conf}_k(X).

Higher homotopical stabilization conjecture. For every m∈Z+m\in\mathbb{Z}^+, there exists an ϵ(m)>0\epsilon(m)>0 such that, whenever ci<ϵ(m)kc_i<\frac{\epsilon(m)}{k}, the map σ\sigma is mm-connected.

This conjecture proposes a higher homotopical analogue of Biran's stabilization theorem, asserting that sufficiently small ball capacities make the space of symplectic ball embeddings approximate the configuration space through homotopy degree mm.

References

Primary source

Silvia Anjos, Jun Li, Tian-Jun Li and Martin Pinsonnault, “Stability of the symplectomorphism group of rational surfaces”, arXiv:1911.00961 (2023).

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