COMPGEOM
1997
ACM
14 years 3 months ago
1997
ACM
Abstract: We propose an e cient method that determines the sign of a multivariate polynomial expression with integer coe cients. This is a central operation on which the robustness...
FOCS
1997
IEEE
14 years 3 months ago
1997
IEEE
We prove old and new results on the complexity of computing the dimension of algebraic varieties. In particular, we show that this problem is NP-complete in the Blum-Shub-Smale mo...