Soit un nombre premier et soient . Soit la norme de sous . Ainsi est une extension purement ramifiée d’anneaux de valuation discrète de degré . Le polynôme minimal de sur est un polynôme de Eisenstein ; nous donnons des bornes inférieures pour les -valuations de ses coefficients. L’analogue dans le cas d’un corps de fonctions, comme introduit par Carlitz et Hayes, est etudié de même.
Let be a prime, let . Let be the norm of under , so that is a purely ramified extension of discrete valuation rings of degree . The minimal polynomial of over is an Eisenstein polynomial; we give lower bounds for its coefficient valuations at . The function field analogue, as introduced by Carlitz and Hayes, is studied as well.
@article{JTNB_2005__17_3_801_0, author = {K\"unzer, Matthias and Wirsing, Eduard}, title = {On coefficient valuations of {Eisenstein} polynomials}, journal = {Journal de th\'eorie des nombres de Bordeaux}, pages = {801--823}, publisher = {Universit\'e Bordeaux 1}, volume = {17}, number = {3}, year = {2005}, doi = {10.5802/jtnb.522}, zbl = {05016589}, mrnumber = {2212127}, language = {en}, url = {http://www.numdam.org/articles/10.5802/jtnb.522/} }
TY - JOUR AU - Künzer, Matthias AU - Wirsing, Eduard TI - On coefficient valuations of Eisenstein polynomials JO - Journal de théorie des nombres de Bordeaux PY - 2005 SP - 801 EP - 823 VL - 17 IS - 3 PB - Université Bordeaux 1 UR - http://www.numdam.org/articles/10.5802/jtnb.522/ DO - 10.5802/jtnb.522 LA - en ID - JTNB_2005__17_3_801_0 ER -
%0 Journal Article %A Künzer, Matthias %A Wirsing, Eduard %T On coefficient valuations of Eisenstein polynomials %J Journal de théorie des nombres de Bordeaux %D 2005 %P 801-823 %V 17 %N 3 %I Université Bordeaux 1 %U http://www.numdam.org/articles/10.5802/jtnb.522/ %R 10.5802/jtnb.522 %G en %F JTNB_2005__17_3_801_0
Künzer, Matthias; Wirsing, Eduard. On coefficient valuations of Eisenstein polynomials. Journal de théorie des nombres de Bordeaux, Tome 17 (2005) no. 3, pp. 801-823. doi : 10.5802/jtnb.522. http://www.numdam.org/articles/10.5802/jtnb.522/
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