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The Euler obstruction and the Chern obstruction
Author(s) -
Brasselet J.P.,
Grulha N. G.,
Ruas M. A. S.
Publication year - 2010
Publication title -
bulletin of the london mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.396
H-Index - 48
eISSN - 1469-2120
pISSN - 0024-6093
DOI - 10.1112/blms/bdq063
Subject(s) - euler's formula , singularity , mathematics , calculus (dental) , pure mathematics , mathematical analysis , medicine , dentistry
In this work we determine relations between the local Euler obstruction of an analytic map f and the Chern obstruction of a convenient collection of 1‐forms associated to f . We give applications to singularity theory.