Continuity conjecture for relative symplectic cohomology

Let (M,bomega)(M,bomega) be a closed symplectic manifold and let K0MK_0\subset M be a compact subset. The relative symplectic cohomology SHM(K;Λ0)SH_M(K;\Lambda_{\geq0}) is defined for compact subsets KMK\subset M, with restriction maps inducing a directed system over compact KK satisfying K0Int(K)K_0\subset\operatorname{Int}(K). Continuity conjecture.

limK0Int(K)K is compactSHM(K;Λ0)=SHM(K0;Λ0).\underset{\substack{K_0\subset \operatorname{Int}(K) \\ K\text{ is compact}}}{\varinjlim} SH_M(K;\Lambda_{\geq0})=SH_M(K_0;\Lambda_{\geq0}).

The paper establishes this identity in the special case of standard toric balls in complex projective space, while the general continuity property for relative symplectic cohomology remains the proposed extension.

Sources & referencesView supporting material

Primary source

Adi Dickstein and Yaniv Ganor, “Relative symplectic cohomology in complex projective spaces”, arXiv:2606.17370 (2026).

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