On Borel fixed ideals generated in one degree
Abstract
We construct a (shellable) polyhedral cell complex that supports a minimal free resolution of a Borel fixed ideal, which is minimally generated (in the Borel sense) by just one monomial in S=k[x1,x2,...,xn]; this includes the case of powers of the homogeneous maximal ideal (x1,x2,...,xn) as a special case. In our most general result we prove that for any Borel fixed ideal I generated in one degree, there exists a polyhedral cell complex that supports a minimal free resolution of I.
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