Basic Twist Quantization of the Exceptional Lie Algebra G_2

Details Basic Twist Quantization of the Exceptional Lie Algebra G_2 Basic Twist Quantization of the Exceptional Lie Algebra G_2

2004-03-18

arxiv.org/abs/hep-th/0403185v2

J.Math.Phys. 46 (2005) 103502

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, aps, jmp class, 24 pages. Minor changes, the version in press in JMP

Scientific paper

10.1063/1.2041849

We present the formulae for twist quantization of $g_2$, corresponding to the solution of classical YB equation with support in the 8-dimensional Borel subalgebra of $g_2$. The considered chain of twists consists of the four factors describing the four steps of quantization: Jordanian twist, the two twist factors extending Jordanian twist and the deformed Jordanian or in second variant additional Abelian twist. The first two steps describe as well the $sl(3)$ quantization. The coproducts are calculated for each step in explicite form, and for that purpose we present new formulas for the calculation of similarity transformations on tensor product. We introduce new basic generators in universal enveloping algebra $U(g_2)$ which provide nonlinearities in algebraic sector maximally simplifying the deformed coproducts.

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