Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-12-16
Theor.Math.Phys. 120 (1999) 862-869; Teor.Mat.Fiz. 120 (1999) 54-63
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX, 12 pages, 6 eps figures
Scientific paper
10.1007/BF02557395
We put forward one of the forms of functional pentagon equation (FPE), known from the theory of integrable models, as an algebraic explanation to the phenomenon known in physics as s<->t duality. We present two simple geometrical examples of FPE solutions, one of them yielding in a particular case the well-known Veneziano expression for 4-particle amplitude. Finally, we interpret our solutions of FPE in terms of relations in Lie groups.
Korepanov Igor G.
Saito Shuji
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