Lalonde–? higher homotopical stabilization conjecture for symplectic ball embeddings

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 Confk(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)Confk(X).\sigma:Emb_k(c_i)\to \operatorname{Conf}_k(X).

Higher homotopical stabilization conjecture. For every mZ+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.

Sources & referencesView supporting material

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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