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比利时vs摩洛哥足彩
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比利时vs摩洛哥足彩
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university of california san diego
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lie groups/representation theory seminar
andrei zelevinsky
northeastern university
double bruhat cells and cluster algebras
abstract:
we will discuss geometric properties of double bruhat cells and their totally positive parts in complex semisimple groups. the ideas and results to be discussed were influenced by the work of g.lusztig and obtained jointly with a.berenstein, s.fomin, b. and m.shapiro, and a.vainshtein. these ideas provided the groundwork for the theory of cluster algebras.
host: nolan wallach
february 7, 2006
2:00 pm
ap&m 7218
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