Vol. 253, No. 2, 2011

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Fusion rules on a parametrized series of graphs

Marta Asaeda and Uffe Haagerup

Vol. 253 (2011), No. 2, 257–288
Abstract

A series of pairs of graphs k,Γk), k = 0,1,2, , has been considered as candidates for dual pairs of principal graphs of subfactors of small Jones index above 4 and it has recently been proved that the pair k,Γk) comes from a subfactor if and only if k = 0 or k = 1. We show that nevertheless there exists a unique fusion system compatible with this pair of graphs for all nonnegative integers k.

Keywords
fusion algebra, operator algebra, subfactor
Mathematical Subject Classification 2010
Primary: 46L37
Milestones
Received: 5 September 2010
Revised: 8 September 2010
Accepted: 31 March 2011
Published: 21 January 2012
Authors
Marta Asaeda
Department of Mathematics
University of California, Riverside
900 Big Springs Drive
Riverside CA 92521
United States
Uffe Haagerup
Department of Mathematical Sciences
University of Copenhagen
Universitetspark 5
2100 Copenhagen
Denmark