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math.AC2019★ 1 cited
Spinor structures on free resolutions of codimension four Gorenstein ideals
Ela Celikbas, Jai Laxmi, Jerzy Weyman
We analyze the structure of spinor coordinates on resolutions of Gorenstein ideals of codimension four. As an application we produce a family of such ideals with seven generators w…
math.AG2019
Local cohomology on a subexceptional series of representations
András C. Lőrincz, Jerzy Weyman
We consider a series of four subexceptional representations coming from the third line of the Freudenthal-Tits magic square; using Bourbaki notation, these are fundamental represen…