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math.SG2022
Reduction along strong Dirac maps
Ana Balibanu, Maxence Mayrand
We develop a general procedure for reduction along strong Dirac maps, which are a broad generalization of Poisson momentum maps. We recover a large number of familiar constructions…
math.SG2022
A quasi-Poisson structure on the multiplicative Grothendieck-Springer resolution
Ana Balibanu
In this note we show that the multiplicative Grothendieck-Springer space has a natural quasi-Poisson structure. The associated group-valued moment map is the resolution morphism, a…