Inhalt des Dokuments
Dr. Peter Scheiblechner
- © Peter Scheiblechner
Lucerne University of Applied Sciences and Arts
Technology and Architecture
Technikumstr. 21
CH-6048 Horw
Switzerland Persönliche Homepage
www.scheiblechner.ch
Publikationen in der Arbeitsgruppe
| Zitatschlüssel | BS-Counting-Irreducible-Components-Of-Complex-Algebraic-Varieties |
|---|---|
| Autor | Peter Bürgisser and Peter Scheiblechner |
| Seiten | 1-35 |
| Jahr | 2010 |
| ISSN | 1016-3328 |
| DOI | 10.1007/s00037-009-0283-3 |
| Journal | Computational Complexity |
| Jahrgang | 19 |
| Nummer | 1 |
| Zusammenfassung | We present an algorithm for counting the irreducible components of a complex algebraic variety defined by a fixed number of polynomials encoded as straight-line programs (slps). It runs in polynomial time in the Blum-Shub-Smale (BSS) model and in randomized parallel polylogarithmic time in the Turing model, both measured in the lengths and degrees of the slps. Our algorithm is obtained from an explicit version of Bertini's theorem. For its analysis we further develop a general complexity theoretic framework appropriate for algorithms in algebraic geometry. |
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