ON A QUESTION OF THOM,RENE CONCERNING PRO JECTIONS OF A WHITNEY STRATIFICATION

Citation
M. Kwiecinski et L. Noirel, ON A QUESTION OF THOM,RENE CONCERNING PRO JECTIONS OF A WHITNEY STRATIFICATION, Comptes rendus de l'Academie des sciences. Serie 1, Mathematique, 318(2), 1994, pp. 149-152
Citations number
7
Categorie Soggetti
Mathematics, General",Mathematics
ISSN journal
07644442
Volume
318
Issue
2
Year of publication
1994
Pages
149 - 152
Database
ISI
SICI code
0764-4442(1994)318:2<149:OAQOTC>2.0.ZU;2-A
Abstract
Rene Thom asked whether the image of a Whitney-regular stratified set in R(N+1) by almost all projections is Whitney-stratifiable. We give a negative answer, considering a curve with isolated singularity. The e xample we construct is a rapid spiral based on a ''ploughing of the sp here''.