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Twisted products in mathematical physics

Seminário do GFM
IIIUL, Room B3-01
2014-07-25 14:30 .. 15:30
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Rachel Martins (CAMGSD, Instituto Superior Técnico)

Twisted products arise frequently in mathematical physics. The Moyal product, Gabor analysis (in signal processing), the non-commutative torus and twisted group C*-algebras each involve an underlying twisted product structure. C*-dynamical systems provide a transparent description of a group 2-cocycle as a measure of the degree of twisting. Colloquium style.