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Three takes on almost complete intersection ideals of grade 3 (2106.14764v1)
Published 28 Jun 2021 in math.AC
Abstract: We are interested in the structure of almost complete intersection ideals of grade 3. We give three constructions of these ideals and their free resolutions: one from the commutative algebra point of view, an equivariant construction giving a nice canonical form, andfinally an interpretation in terms of open sets in certain Schubert varieties.
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