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  • LoopGroupNCG_RMP_Revised2_170816

    Rights statement: Electronic version of this article published as Loop groups and noncommutative geometry Sebastiano Carpi and Robin Hillier Reviews in Mathematical Physics 2017 29:09 in Reviews in Mathematical Physics, 29, 9, 2017, 42 Pages] 10.1142/S0129055X17500295 ©2017 World Scientific Publishing Company http://www.worldscientific.com/worldscinet/rmp

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Loop groups and noncommutative geometry

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Published
Article number1750029
<mark>Journal publication date</mark>10/2017
<mark>Journal</mark>Reviews in Mathematical Physics
Issue number9
Volume29
Number of pages42
Publication StatusPublished
Early online date1/09/17
<mark>Original language</mark>English

Abstract

We describe the representation theory of loop groups in terms of K-theory and noncommutative geometry. This is done by constructing suitable spectral triples associated with the level ℓℓ projective unitary positive-energy representations of any given loop group LGLG. The construction is based on certain supersymmetric conformal field theory models associated with LGLG in the setting of conformal nets. We then generalize the construction to many other rational chiral conformal field theory models including coset models and the moonshine conformal net.

Bibliographic note

Electronic version of this article published as Loop groups and noncommutative geometry Sebastiano Carpi and Robin Hillier Reviews in Mathematical Physics 2017 29:09 in Reviews in Mathematical Physics, 29, 9, 2017, 42 Pages] 10.1142/S0129055X17500295 ©2017 World Scientific Publishing Company http://www.worldscientific.com/worldscinet/rmp