The cotangent-bundle isomorphism conjecture for smooth affine varieties

Let XX and YY be smooth affine varieties over C\mathbb{C}, and let T(X)T^*(X) and T(Y)T^*(Y) denote their cotangent bundles. The cotangent-bundle isomorphism conjecture. If

T(X)T(Y),T^*(X)\cong T^*(Y),

then

XY.X\cong Y.

The conjecture is motivated by the theorem in the source that Morita-equivalent rings D(X)D(X) and D(Y)D(Y) have isomorphic cotangent bundles as symplectic varieties; whether the cotangent-bundle isomorphism determines the original smooth affine variety remains open in the supplied text.

Sources & referencesView supporting material

Primary source

Akaki Tikaradze, “On the isomorphism problem for the rings of differential operators on smooth affine varieties”, arXiv:1811.00182 (2022).

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