Note on the Properties of Type II_1 Sub Factors induced from Non-Degenerate Commuting Square

M. Khoshkam, B. Mashood

Abstract


In this article we prove that the graph of subfactors induce from non-degenerate commuting squares are ergodic. Further more we show that if these kind of subfactors a=has infinite graphs with the index less or than  5 an larger than 4 then the graph can only be the infinite A graph.

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The Thai Journal of Mathematics organized and supported by The Mathematical Association of Thailand and Thailand Research Council and the Center for Promotion of Mathematical Research of Thailand (CEPMART).

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|ISSN 1686-0209|