Duality, crossing and MacLane's coherence

Ram Brustein, Yuval Ne'eman, Shlomo Sternberg

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


It is shown that MacLane' rectangle, pentagon and hexagon identities in category theory, when applied in particle physics to duality diagrams or to rational conformal field theories in two dimensions, yield the necessary physical algebraic constraints.

Original languageEnglish
Pages (from-to)19-37
Number of pages19
JournalIsrael Journal of Mathematics
Issue number1-2
StatePublished - 1 Feb 1990
Externally publishedYes


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