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DTSTART:20250309T070000
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DTSTART;TZID=America/Toronto:20250410T160000
SEQUENCE:0
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URL:https://uwaterloo.ca/pure-mathematics/events/analysis-seminar-195
SUMMARY:Analysis Seminar
CLASS:PUBLIC
DESCRIPTION:ALEKSA VUJICIC\, UNIVERSITY OF WATERLOO\n\n_The Spine of a Four
 ier Algebra_\n\nGiven a locally compact group G\, one can define the Fouri
 er and\nFourier-Stieltjes algebras A(G) and B(G)\, which in the abelian ca
 se\,\nare isomorphic to L1(G^) and M(G^) respectively. The Fourier algebra
 \nA(G) is typically more tractable than B(G)\, and often easier to\ndescri
 be. A notable exception is when B(G) = A(G)\, which occurs\nprecisely when
  G is compact.\nThe spine of a Fourier Algebra A*(G)\, introduced by M. Il
 ie and N.\nSpronk\, is a subalgebra of B(G) which contains all A(H)∘η 
  where\nη : G → H is a continuous homomorphism.\nIt has been shown tha
 t for G = Qp ⋊ Op*\, that B(G) = A*(G)\, despite\nnot being compact.\nWe
  also explore G = Qp^2 ⋊ Op*\, where we have shown that although\nB(G) i
 s strictly larger than A*(G)\, they are close to being similar.\n\nMC 5417
DTSTAMP:20260504T161417Z
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