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math.QA1999
Modules and Morita theorem for operads
M. Kapranov, Yu. Manin
Associative rings A, B are called Morita equivalent when the categories of left modules over them are equivalent. We call two classical linear operads P, Q Morita equivalent if the…
math.AG1999
Invertible Cohomological Field Theories and Weil-Petersson volumes
Yu. I. Manin, P. Zograf
We show that the generating function for the higher Weil-Petersson volumes of the moduli spaces of stable curves with marked points can be obtained from Witten's free energy by a c…