Steinberg slices and group-valued moment maps
نویسندگان
چکیده
We define a class of transversal slices in spaces which are quasi-Poisson for the action complex semisimple group G. This is multiplicative analogue Whittaker reduction. One example universal centralizer Z G, equipped with usual symplectic structure this way. construct smooth relative compactification Z‾ by taking closure each fiber wonderful By realizing as larger variety, we show that it and log-symplectic.
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ژورنال
عنوان ژورنال: Advances in Mathematics
سال: 2022
ISSN: ['1857-8365', '1857-8438']
DOI: https://doi.org/10.1016/j.aim.2022.108344