Publications Meetings The Profession Membership Programs Math Samplings Policy & Advocacy In the News About the AMS
|
   
Available in electronic format
Available in print format
Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(e) ISSN 0002-9939(p)

     

Betti number bounds for fewnomial hypersurfaces via stratified Morse theory

Author(s): Frédéric Bihan; Frank Sottile
Journal: Proc. Amer. Math. Soc. 137 (2009), 2825-2833.
MSC (2000): Primary 14P25
Posted: April 23, 2009
MathSciNet review: 2506438
Retrieve article in: PDF

Abstract | References | Similar articles | Additional information

Abstract: We use stratified Morse theory for a manifold with corners to give a new bound for the sum of the Betti numbers of a fewnomial hypersurface in $ \mathbb{R}^N_{>}$.


References:

1.
R. Benedetti and J.-J. Risler, Real algebraic and semi-algebraic sets, Actualités Mathématiques, Hermann, Paris, 1990. MR 1070358 (91j:14045)

2.
F. Bihan, J.M. Rojas, and F. Sottile, Sharpness of fewnomial bounds and the number of components of a fewnomial hypersurface, Algorithms in Algebraic Geometry (A. Dickenstein, F. Schreyer, and A. Sommese, eds.), IMA Volumes in Mathematics and its Applications, vol. 146, Springer, 2008, pp. 15-20. MR 2397935

3.
F. Bihan and F. Sottile, New fewnomial upper bounds from Gale dual polynomial systems, Moscow Mathematical Journal 7 (2007), no. 3, 387-407. MR 2343138 (2008g:13038)

4.
J. Bochnak, M. Coste, and M.-F. Roy, Real Algebraic Geometry, Ergebnisse der Mathematik und ihrer Grenzgebiete (3), vol. 36, Springer-Verlag, Berlin, 1998, revised translation of the 1987 French original. MR 949442 (90b:14030)

5.
M. Goresky and R. MacPherson, Stratified Morse Theory, Ergebnisse der Mathematik und ihrer Grenzgebiete (3), vol. 14, Springer-Verlag, Berlin, 1988. MR 932724 (90d:57039)

6.
A.G. Khovanskii, Fewnomials, Trans. of Math. Monographs, 88, Amer. Math. Soc, Providence, RI, 1991. MR 1108621 (92h:14039)

7.
J. Milnor, On the Betti numbers of real varieties, Proc. Amer. Math. Soc. 15 (1964), 275-280. MR 0161339 (28:4547)

8.
O. A. Oleĭnik, Estimates of the Betti numbers of real algebraic hypersurfaces, Mat. Sbornik N.S. 28(70) (1951), 635-640. MR 0044864 (13:489b)

9.
D. Perrucci, Some bounds for the number of components of real zero sets of sparse polynomials, Discrete Comput. Geom. 34 (2005), no. 3, 475-495. MR 2160050 (2006j:12001)

10.
J.-J. Risler, Les nombres de Betti des ensembles algébriques réels, Gaz. Math. No. 54 (1992), 57-58.

11.
J. Maurice Rojas, Some speed-ups and speed limits for real algebraic geometry, J. Complexity 16 (2000), no. 3, 552-571.

MR 1787885 (2001k:14103)

12.
R. Thom, Sur l'homologie des variétés algébriques réelles, Differential and Combinatorial Topology (A Symposium in Honor of Marston Morse), Princeton Univ. Press, Princeton, NJ, 1965, pp. 255-265. MR 0200942 (34:828)


Similar Articles:

Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 14P25

Retrieve articles in all Journals with MSC (2000): 14P25


Additional Information:

Frédéric Bihan
Affiliation: Laboratoire de Mathématiques, Université de Savoie, 73376 Le Bourget-du-Lac Cedex, France
Email: Frederic.Bihan@univ-savoie.fr

Frank Sottile
Affiliation: Department of Mathematics, Texas A&M University, College Station, Texas 77843
Email: sottile@math.tamu.edu

DOI: 10.1090/S0002-9939-09-09902-X
PII: S 0002-9939(09)09902-X
Keywords: Stratified Morse theory, fewnomials, Betti numbers
Received by editor(s): June 19, 2008
Posted: April 23, 2009
Additional Notes: The second author was supported by NSF CAREER grant DMS-0538734 and NSF grant DMS-0701050
Communicated by: Daniel Ruberman
Copyright of article: Copyright 2009, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.




AMS and Social Media LinkedIn Facebook Podcasts Twitter YouTube RSS Feeds Blogs Wikipedia