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- From: brock@NeXTwork.Rose-Hulman.Edu (Bradley W. Brock)
- Newsgroups: sci.math
- Subject: Re: Real Algebraic Geometry
- Date: 10 Jan 1993 03:41:40 GMT
- Organization: Computer Science Department at Rose-Hulman
- Lines: 16
- Message-ID: <1io5tkINN140@master.cs.rose-hulman.edu>
- References: <1993Jan5.155916.2076@cs.brown.edu>
- Reply-To: brock@NeXTwork.Rose-Hulman.Edu (Bradley W. Brock)
- NNTP-Posting-Host: g210b-1.nextwork.rose-hulman.edu
-
- In article <1993Jan5.155916.2076@cs.brown.edu> dzk@cs.brown.edu (Danny Keren)
- writes:
- > I am interested in the question of
- > determining the number of components a real algebraic variety
- > (e.g. the zero set of a polynomial with real coefficients) in
- > 2 and 3 variables has.
-
- "Harnack proved that a smooth real algebraic curve of degree d can have a
- maximum of (d-1)(d-2)+1 components and that for every degree this maximum is
- realized."-Barry Mazur, Arithmetic on curves, Bull. A.M.S. 14, 216. See
- A'Campo, Lecture Notes in Math. vol. 770, Springer-Verlag, on Hilbert's 16th
- problem.
- --
- Bradley W. Brock, Department of Mathematics
- Rose-Hulman Institute of Technology | "Resist not evil.... Love your
- brock@nextwork.rose-hulman.edu | enemies."--Jesus of Nazareth
-