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math.AG2005
Derivations of an effective divisor on the complex projective line
Max Wakefield, Sergey Yuzvinsky
In this paper we consider an effective divisor on the complex projective line and associate with it the module D consisting of all the derivations such that $θ(I_i)\subset I_i^…
math.AG1999
Hyperplane Arrangement Cohomology and Monomials in the Exterior Algebra
David Eisenbud, Sorin Popescu, Sergey Yuzvinsky
We show that if X is the complement of a complex hyperplane arrangement, then the homology of X has linear free resolution as a module over the exterior algebra on the first cohomo…