Cartwright–Strumfels local-cohomology invariance conjecture

Let AA be a polynomial ring, let IAI\subseteq A be a Zm\mathbb{Z}^m-graded Cartwright–Strumfels ideal, let gin(I)\operatorname{gin}(I) be its Zm\mathbb{Z}^m-graded generic initial ideal, and let m\mathfrak m be the relevant homogeneous maximal ideal. Cartwright–Strumfels invariance conjecture. For every rNr\in\mathbb N and every aZma\in\mathbb Z^m,

dimKHmr(A/I)a=dimKHmr(A/gin(I))a.\dim_K H_{\mathfrak m}^r(A/I)_a=\dim_K H_{\mathfrak m}^r(A/\operatorname{gin}(I))_a.

The source attributes the assertion to work comparing Cartwright–Strumfels ideals with their generic initial ideals, but does not state whether it is open or resolved.

Sources & referencesView supporting material

Primary source

Priya Das, “Recent results on homological properties of binomial edge ideal of graphs”, arXiv:2209.01201 (2023).

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