Abstract
We compare the Euler-Poincaré characteristic to the global Euler obstruction, in case of singular affine varieties, and point out a certain duality among their expressions in terms of strata of a Whitney stratification.
Information
Published: 1 January 2007
First available in Project Euclid: 16 December 2018
zbMATH: 1118.14015
MathSciNet: MR2342894
Digital Object Identifier: 10.2969/aspm/04610251
Subjects:
Primary:
32S20
,
32S50
Keywords:
affine varieties
,
Euler obstruction
,
Euler-Poincaré characteristic
,
Lefschetz pencils
Rights: Copyright © 2007 Mathematical Society of Japan