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Tjurina Number of a Generic Irreducible Curve Singularity

✍ Scribed by Rosa Peraire

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 495 KB
Volume: 196
Category: Article
ISSN: 0021-8693
DOI: 10.1006/jabr.1997.7073

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✦ Synopsis

Ä 4 of H rJ, which is easily determined, give a basis of ‫ރ‬ x, y rJ.

0

In case of a single characteristic exponent our algorithm is equivalent w x but not equal to the algorithm of 2 .

An implementation of our algorithm in a Mathematica package has been written by J. Elias and the author. The package is available, on request, from the author.

for certain p, 1 F pk. We have to show that i q s g n .

Ž p . to prove that s g n . On the other hand as i q sm , i

Ž p . F i-m then i q s g n and i g n , hence s g n , as

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