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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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math 243: functional analysis seminar
srivatsav kunnawalkam elayavalli
ipam (ucla)
two full factors with non-isomorphic ultrapowers
abstract:
i will show you how to construct a full factor $m$ such that $m$ and $l(f_2)$ do not have any isomorphic ultrapowers. the construction uses a combination of techniques from deformation/rigidity and free entropy theory. we also provide the first example of a $\mathrm{ii}_1$ factor that is full such that its ultrapower is strongly $1$-bounded. this is joint work with adrian ioana and ionut chifan.
hosts: david jekel and priyanga ganesan
october 4, 2022
11:00 am
apm 6402 and on zoom
(email djekel@ucsd.edu for zoom info)
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