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extremal graph theory 1forbidden subgraphs 1outerplanar graphs 1planar graphs 1spectral graph theory 1

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math.AC2025

Local cohomology and Segre products

Jiamin Li, Wenliang Zhang

We prove a Künneth formula for local cohomology of a Segré product of graded modules supported in a Segré product of ideals. In order to apply our formula to the study of cohomo…