Tout polynôme unitaire à une variable de la forme , , est présentable de façon unique comme composition de Schur–Szegő de polynômes . Nous prouvons des propriétés géométriques de l'application affine associant aux coefficients de S le -uplet des valeurs des fonctions symétriques élémentaires des nombres .
Every monic polynomial in one variable of the form , , is presentable in a unique way as a Schur–Szegő composition of polynomials of the form . We prove geometric properties of the affine mapping associating to the coefficients of S the -tuple of values of the elementary symmetric functions of the numbers .
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@article{CRMATH_2009__347_23-24_1355_0, author = {Kostov, Vladimir Petrov}, title = {A mapping connected with the {Schur{\textendash}Szeg\H{o}} composition}, journal = {Comptes Rendus. Math\'ematique}, pages = {1355--1360}, publisher = {Elsevier}, volume = {347}, number = {23-24}, year = {2009}, doi = {10.1016/j.crma.2009.10.025}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.crma.2009.10.025/} }
TY - JOUR AU - Kostov, Vladimir Petrov TI - A mapping connected with the Schur–Szegő composition JO - Comptes Rendus. Mathématique PY - 2009 SP - 1355 EP - 1360 VL - 347 IS - 23-24 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.crma.2009.10.025/ DO - 10.1016/j.crma.2009.10.025 LA - en ID - CRMATH_2009__347_23-24_1355_0 ER -
%0 Journal Article %A Kostov, Vladimir Petrov %T A mapping connected with the Schur–Szegő composition %J Comptes Rendus. Mathématique %D 2009 %P 1355-1360 %V 347 %N 23-24 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2009.10.025/ %R 10.1016/j.crma.2009.10.025 %G en %F CRMATH_2009__347_23-24_1355_0
Kostov, Vladimir Petrov. A mapping connected with the Schur–Szegő composition. Comptes Rendus. Mathématique, Tome 347 (2009) no. 23-24, pp. 1355-1360. doi : 10.1016/j.crma.2009.10.025. http://www.numdam.org/articles/10.1016/j.crma.2009.10.025/
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