A sharp bound for the Castelnuovo-Mumford regularity of subspace arrangements

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dc.creatorDerksen, Harm
dc.creatorSidman, Jessica
dc.date2001-09-05
dc.date.accessioned2026-07-07T04:43:17Z
dc.date.available2026-07-07T04:43:17Z
dc.descriptionWe show that the ideal of an arrangement of d linear subspaces of projective space is d-regular in the sense of Castelnuovo and Mumford, answering a question of B. Sturmfels. In particular this implies that the ideal of an arrangement of d subspaces is generated in degrees less than or equal to d.
dc.description6 pages
dc.identifierhttps://arxiv.org/abs/math/0109035
dc.identifierhttp://arxiv.org/abs/math/0109035
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/62150
dc.subjectCommutative Algebra
dc.subjectAlgebraic Geometry
dc.subjectCombinatorics
dc.subject13D02 (Primary), 52C35 (Secondary)
dc.titleA sharp bound for the Castelnuovo-Mumford regularity of subspace arrangements
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