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Cohen-Macaulay Property And Linearity Of Pinched Veronese Rings
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.).ORCID iD: 0000-0002-9051-0359
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Mathematics (Div.).ORCID iD: 0000-0001-6306-6777
2021 (English)In: Journal of Commutative Algebra, ISSN 1939-0807, E-ISSN 1939-2346, Vol. 13, no 3, p. 347-360Article in journal (Refereed) Published
Abstract [en]

In this work, we study the Betti numbers of pinched Veronese rings, by means of the reduced homology of squarefree divisor complexes. We characterize when these rings are Cohen-Macaulay and we study the shape of the Betti tables for the pinched Veronese in the two variables. As a byproduct we obtain information on the linearity of such rings. Moreover, in the last section we compute the canonical modules of the Veronese modules.

Place, publisher, year, edition, pages
Rocky Mountain Mathematics Consortium , 2021. Vol. 13, no 3, p. 347-360
Keywords [en]
pinched Veronese rings, pseudo-linearity, linearity, graded Betti numbers
National Category
Algebra and Logic
Identifiers
URN: urn:nbn:se:kth:diva-309297DOI: 10.1216/jca.2021.13.347ISI: 000753598000004Scopus ID: 2-s2.0-85087556450OAI: oai:DiVA.org:kth-309297DiVA, id: diva2:1641277
Note

QC 20220301

Available from: 2022-03-01 Created: 2022-03-01 Last updated: 2022-06-25Bibliographically approved

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Greco, OrnellaMartino, Ivan

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