Using the notion of approximate roots and that of generalized Newton sets, we give a local criterion for a quasi ordinary polynomial to be irreducible. Such a criterion is useful in the study of singularities of quasi-ordinary hypersurfaces. It generalizes the criterion given by S.S. Abhyankar for algebraic plane curves.
机构:
Univ La Laguna, Fac Matemat, Dept Matemat Fundamental, San Cristobal la Laguna 38271, Tenerife, SpainUniv La Laguna, Fac Matemat, Dept Matemat Fundamental, San Cristobal la Laguna 38271, Tenerife, Spain
Garcia Barroso, Evelia R.
Gwozdziewicz, Janusz
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机构:
Tech Univ, Dept Math, PL-25314 Kielce, PolandUniv La Laguna, Fac Matemat, Dept Matemat Fundamental, San Cristobal la Laguna 38271, Tenerife, Spain