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arxiv: 1211.1754 · v1 · pith:ZPSGQ6NWnew · submitted 2012-11-08 · 🧮 math.RT

The idempotents in cyclotomic Hecke algebras and periodic property of the Jucys-Murphy elements

classification 🧮 math.RT
keywords algebraselementsheckeidempotentsjucys-murphyperiodicpropertyclosed
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This paper proves a periodic property of Jucys-Murphy elements of the degenerate and non-degenerate cy- clotomic Hecke algebras of type A. We do this by first giving a new closed formula for the KLR idempotents e(i) which, it tuns out, is very efficient computationally.

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