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Zap. Nauchn. Sem. POMI, 2010 Volume 374, Pages 92–106 (Mi znsl3596)

Factorization of the $R$-matrix for the quantum algebra $U_q(s\ell_n)$

P. A. Valinevich

St. Petersburg State University, St. Petersburg, Russia

Abstract: We propose the method for constructing the general solution of the Yang–Baxter equation with $U_q(s\ell_n)$ algebra symmetry, which is based on the factorization property of the corresponding $L$-operator. We present the closed-form expression for the universal $R$-matrix being the difference operator acting on the space of functions of $n(n-1)$ variables. Bibl. – 16 titles.

Key words and phrases: Yang–Baxter equation, $R$-matrix, integrable spin chains.

UDC: 517.9

Received: 02.04.2010


 English version:
Journal of Mathematical Sciences (New York), 2010, 168:6, 811–819

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© Steklov Math. Inst. of RAS, 2025