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math.CT2022
PROBs and perverse sheaves II. Ran spaces and 0-cycles with coefficients
Mikhail Kapranov, Vadim Schechtman
We consider the space Z(C,L) of 0-cycles on the complex line C with coefficients in a commutative monoid L subject to certain conditions. Such spaces include the symmetric products…
math.CT2021
PROBs and perverse sheaves I. Symmetric products
Mikhail Kapranov, Vadim Schechtman
Algebraic structures involving both multiplications and comultiplications (such as, e.g., bialgebras or Hopf algebras) can be encoded using PROPs (categories with PROducts and Perm…