Аннотация
We develop a quantum duality principle for coisotropic subgroups of a
(formal) Poisson group and its dual. Namely, starting from a quantum
coisotropic subgroup (for a quantization of a given Poisson group) we provide
functorial recipes to produce quantizations of the dual coisotropic subgroup
(in the dual formal Poisson group). By the natural link between subgroups and
homogeneous spaces, we argue a quantum duality principle for Poisson
homogeneous spaces which are Poisson quotients, i.e. have at least one
zero-dimensional symplectic leaf. As an application, we provide an explicit
quantization of the homogeneous SL(n)^*-space of Stokes matrices, with the
Poisson structure given by Dubrovin and Ugaglia.
A "global version" of these results were previously posted as
<A HREF="/abs/math.QA/0312289">math.QA/0312289</A>, which is actually under review (there, non-formal
quantizations - via ordinary Hopf algebras over the ring of Laurent polynomials
- were considered of global - rather than local - Poisson groups, homogeneous
spaces and subgroups).
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