On simple double zeros and badly conditioned zeros of analytic functions of n variables

Citation
Jp. Dedieu et M. Shub, On simple double zeros and badly conditioned zeros of analytic functions of n variables, MATH COMPUT, 70(233), 2001, pp. 319-327
Citations number
16
Categorie Soggetti
Mathematics
Journal title
MATHEMATICS OF COMPUTATION
ISSN journal
00255718 → ACNP
Volume
70
Issue
233
Year of publication
2001
Pages
319 - 327
Database
ISI
SICI code
0025-5718(200101)70:233<319:OSDZAB>2.0.ZU;2-L
Abstract
We give a numerical criterion for a badly conditioned zero of a system of a nalytic equations to be part of a cluster of two zeros.