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math.AT2019
Perverse sheaves over real hyperplane arrangements II
Mikhail Kapranov, Vadim Schechtman
Let H be an arrangement of hyperplanes in R^n and Perv(C^n,H) be the category of perverse sheaves on C^n smooth with respect to the stratification given by complexified flats of H.…
math.AT2019
Shuffle algebras and perverse sheaves
Mikhail Kapranov, Vadim Schechtman
We relate shuffle algebras, as defined by Nichols, Feigin-Odesskii and Rosso, to perverse sheaves on symmetric products of the complex line (i.e., on the spaces of monic polynomial…