Lyubeznik–Barile–Macchia rank conjecture for monomial ideals
Lyubeznik–Barile–Macchia rank conjecture for monomial ideals
Let be a polynomial ring over a field , and let be a monomial ideal. Let be a Lyubeznik resolution of . A Barile–Macchia resolution of is a free resolution obtained by the Barile–Macchia construction. Lyubeznik–Barile–Macchia rank conjecture. There exists a Barile–Macchia resolution such that
for each . This conjecture concerns whether Barile–Macchia resolutions can always be chosen, possibly using a different ordering, to be no larger in every homological degree than a given Lyubeznik resolution; the source presents it as motivated by examples and as an open question.
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Sources & referencesView supporting material
Primary source
Trung Chau and Selvi Kara, “Barile-Macchia resolutions”, arXiv:2211.04640 (2023).
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