Planar decomposition of bipartite HOMFLY polynomials in symmetric representations

Abstract

We generalize the recently discovered planar decomposition (Kauffman bracket) for the HOMFLY polynomials of bipartite knot/link diagrams to (anti)symmetrically colored HOMFLY polynomials. Cabling destroys planarity, but it is restored after projection to (anti)symmetric representations. This allows to go beyond arborescent calculus, which so far produced the majority of results for colored polynomials. Technicalities include combinations of projectors, and these can be handled rigorously, without any guess-work -- what can be also useful for other considerations, where reliable quantization was so far unavailable. We explicitly provide simple examples of calculation of the HOMFLY polynomials in symmetric representations with the use of our planar technique. These examples reveal what we call the bipartite evolution and the bipartite decomposition of squares of $\mathcal{R}$-matrices eigenvalues in the antiparallel channel.

26 pages

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Cited by in corpus (5)

• Bipartite expansion beyond biparticity
• Khovanov-Rozansky cycle calculus for bipartite links
• Khovanov--Rozansky matrix factorization reduction for bipartite links
• Operator lift of Reshetikhin-Turaev formalism to Khovanov-Rozansky TQFTs
• Analogue of Goeritz matrices for computation of bipartite HOMFLY-PT polynomials