Motivic symplectic cohomology detects smoothly but not symplectically isotopic symplectomorphisms
Motivic symplectic cohomology detects smoothly but not symplectically isotopic symplectomorphisms
Let be a symplectic manifold, and let be symplectomorphisms. The maps and are induced on the groups associated with suitable symplectic manifolds and . Detection conjecture. If and are smoothly isotopic but not symplectically isotopic, then there exist symplectic manifolds and such that
This would provide a way to detect the failure of symplectic isotopy using the motivic symplectic groups. The source states that the problem is still open and that these groups are not yet sufficiently computable for systematic comparisons.
Sources & referencesView supporting material
Primary source
Vardan Oganesyan, “The first step towards symplectic homotopy theory”, arXiv:2304.10529 (2024).
Progress summary
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