AN ALGORITHMIC CRITERION FOR BASICNESS IN DIMENSION-2

Authors
ACQUISTAPACE F BROGLIA F VELEZ MP
Citation
F. Acquistapace et al., AN ALGORITHMIC CRITERION FOR BASICNESS IN DIMENSION-2, Manuscripta mathematica, 85(1), 1994, pp. 45-66
Citations number
16
Categorie Soggetti
Mathematics, General",Mathematics
Journal title
Manuscripta mathematica → ACNP
ISSN journal
00252611
Volume
85
Issue
1
Year of publication
1994
Pages
45 - 66
Database
ISI
SICI code
0025-2611(1994)85:1<45:AACFBI>2.0.ZU;2-2
Abstract
In this paper we give a geometric constructive procedure to check basi cness of open (or closed) semialgebraic sets in surfaces; we get also a criterion for principality. These criterions allow us to give a geom etric proof of the Brocker's 4-elements fans criterion for surfaces.