Perfect modules with Betti numbers (2,6,5,1)
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DOI: 10.1016/j.jalgebra.2022.02.005
Abstract: In 2018 Celikbas, Laxmi, Kraśkiewicz, and Weyman exhibited an interesting family of perfect ideals of codimension three, with five generators, of Cohen-Macaulay type two with trivial multiplication on the Tor algebra. All previously known perfect… read more here.
Keywords: betti numbers; modules betti; perfect modules;