Mathematics – Representation Theory
Scientific paper
2011-06-10
Mathematics
Representation Theory
17 pages
Scientific paper
We study the decomposition problem for tensor powers of $B_2$-fundamental modules. To solve this problem singular weight technique and injection fan algorithms are applied. Properties of multiplicity coefficients are formulated in terms of multiplicity functions. These functions are constructed showing explicitly the dependence of multiplicity coefficients on the highest weight coordinates and the tensor power parameter. It is thus possible to study general properties of multiplicity coefficients for powers of the fundamental $B_2$- modules.
Kulish Petr P.
Lyakhovsky Vladimir D.
Postnova Olga P.
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