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Hilbert functions of monomial curves. (English) Zbl 1078.13509

Summary: We study the Hilbert function of certain projective monomial curves. We determine which of our curves are Cohen-Macaulay, and find the Cohen-Macaulay type of those that are Cohen-Macaulay.

MSC:

13D40 Hilbert-Samuel and Hilbert-Kunz functions; Poincaré series
14H45 Special algebraic curves and curves of low genus
14M05 Varieties defined by ring conditions (factorial, Cohen-Macaulay, seminormal)

Software:

Macaulay2
Full Text: DOI

References:

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