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arXiv:2411.11379 [math.AG]AbstractReferencesReviewsResources

Postulation of lines in P3 revisited

Marcin Dumnicki, Mikolaj Le Van, Grzegorz Malara, Tomasz Szemberg, Justyna Szpond, Halszka Tutaj-Gasinska

Published 2024-11-18Version 1

The purpose of the present note is to provide a new proof ot the well-known result due to Hartshorne and Hirschowitz to the effect that general lines in projective spaces have good postulation. Our approach uses specialization to a hyperplane and thus opens door to study postulation of general codimension 2 linear subspaces in projective spaces.

Comments: 17 pages, 1 figure
Categories: math.AG
Subjects: 14C20, 14N05, 14N15, 14D06, 13H15, 13D40
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