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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.AT2005★ 1 cited
Formality of the complements of subspace arrangements with geometric lattices
Eva Maria Feichtner, Sergey Yuzvinsky
We show that, for an arrangement of subspaces in a complex vector space with geometric intersection lattice, the complement of the arrangement is formal. We prove that the Morgan r…