Test for properness using residue calculus |
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Authors: | Daniela Adornato Adelina Fabiano |
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Institution: | (1) LAMI, Università della Calabria, 87036 Arcavate di Rende (CS);(2) Dipartimento di Matematica, Università della Calabria, 87036 Arcavate di Rende (CS) |
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Abstract: | We will consider global problems in the ringKX
1, …,X
n] on the polynomials with coefficients in a subfieldK ofC.
LetP=(P
1, …,P
n):K
n
→K
n be a polynomial map such that (P
1,…,P
n) is a quasi-regular sequence generating a proper ideal, the main thing we do is to use the algebraic residues theory (as
described in 5]) as a computational tool to give some result to test when a map (P
1, …,P
n) is a proper map by computing a finite number of residue symbols. |
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Keywords: | |
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