Completely isometric representations of |
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Authors: | Matthias Neufang Zhong-Jin Ruan Nico Spronk |
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Institution: | School of Mathematics and Statistics, Carleton University, Ottawa, Ontario, Canada K1S 5B6 ; Department of Mathematics, University of Illinois, Urbana, Illinois 61801 ; Department of Mathematics, University of Walterloo, Waterloo, Ontario, Canada N2L 3G1 |
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Abstract: | Let be a locally compact group. It is shown that there exists a natural completely isometric representation of the completely bounded Fourier multiplier algebra , which is dual to the representation of the measure algebra , on . The image algebras of and in are intrinsically characterized, and some commutant theorems are proved. It is also shown that for any amenable group , there is a natural completely isometric representation of on , which can be regarded as a duality result of Neufang's completely isometric representation theorem for . |
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Keywords: | |
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