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Character formulae for classical groups

100%

Frenkel P.

Open Mathematics

2006

tom 4

nr 2

242-249

We give formulae relating the value Xλ (g) of an irreducible character of a classical group G to entries of powers of the matrix g ε G. This yields a far-reaching generalization of a result of J.L. Cisneros-Molina concerning the GL 2 case [1].

Minkowski’s inequality and sums of squares

63%

Frenkel P., Horváth P.

Open Mathematics

2014

tom 12

nr 3

510-516

Positive polynomials arising from Muirhead’s inequality, from classical power mean and elementary symmetric mean inequalities and from Minkowski’s inequality can be rewritten as sums of squares.

Ograniczanie wyników

2 Open Mathematics

2 Frenkel P.

1 Horváth P.

1 2014

1 2006

Wyniki wyszukiwania

Character formulae for classical groups

Minkowski’s inequality and sums of squares