elementary symmetric functions

elementary symmetric functions

[el·ə′men·trē si¦me·trik ′fəŋk·shənz]
(mathematics)
For a set of n variables, a set of n functions, σ1, σ2, … , σn, where σk is the sum of all products of k of the n variables.
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The invariant algebra [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII], which consists of all the polynomials fixed by this 6n-action, is a polynomial algebra generated by the elementary symmetric functions [e.
Parkhurst and James [79] tabulate zonal polynomials of order 1 through 12 in terms of sums of powers and in terms of elementary symmetric functions.
b][X + [M/z]] we will use the additivity of the elementary symmetric functions.
Furthermore, the elementary symmetric functions are homogeneous so
The Littlewood-Richardson rule is a well-known procedure to calculate the product of two Schur functions, such as two elementary symmetric functions (see Macdonald (1995)).
A series expansion of an elliptic or hyperelliptic integral in elementary symmetric functions is given, illustrated with numerical coefficients for terms through degree seven for the symmetric elliptic integral of the first kind.
D]) consists in iterating their duplication theorems until their variables are nearly equal and then expanding in a series of elementary symmetric functions of the small differences between the variables.
i] denote the complete homogeneous and elementary symmetric functions of degree i respectively.
Their main examples of these Hopf-power chains were inverse shuffling (from the free associative algebra, with states indexed by its usual word basis) and rock-breaking (from the algebra of symmetric functions, with states indexed by the elementary symmetric functions {[e.
Our initial interest in the elementary symmetric functions stems from the counting of degree n monic irreducible polynomials over finite fields with prescribed coefficients for [x.
The relationship between strings, polynomials, an elementary symmetric functions is contained in the map [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] since [e.

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