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Zapiski Nauchnykh Seminarov POMI, 1995, Volume 231, Pages 299–308 (Mi znsl3758)  

Topological methods in geometry

Mirror configurations of points and lines and algebraic surfaces of degree four

S. S. Podkorytov

Saint-Petersburg State University
Abstract: We prove that mirror nonsingular configurations of m points and $n$ lines in $\mathbb RP^3$ exist only for $m\le3$, $n\equiv0$ or $1\pmod4$ and for $m=0$ or $1\pmod4$, $n\equiv0\pmod2$. In addition, we give an elementary proof of V. M. Kharlamov's well-known result saying that if a nonsingular surface of degree four in $\mathbb RP^3$ is noncontractible and has $M\ge5$ components, then it is nonmirror. For the cases $M=5, 6,7$ and $8$, Kharlamov suggested an elementary proof using an analogy between such surfaces and configurations of $M-1$ points and a line. Our proof covers the remaining cases $M=9,10$. Bibl. 5 titles.
Received: 07.10.1995
English version:
Journal of Mathematical Sciences (New York), 1998, Volume 91, Issue 6, Pages 3526–3531
DOI: https://doi.org/10.1007/BF02434931
Bibliographic databases:
Document Type: Article
UDC: 512.77+515.16
Language: Russian
Citation: S. S. Podkorytov, “Mirror configurations of points and lines and algebraic surfaces of degree four”, Investigations in topology. Part 8, Zap. Nauchn. Sem. POMI, 231, POMI, St. Petersburg, 1995, 299–308; J. Math. Sci. (New York), 91:6 (1998), 3526–3531
Citation in format AMSBIB
\Bibitem{Pod95}
\by S.~S.~Podkorytov
\paper Mirror configurations of points and lines and algebraic surfaces of degree four
\inbook Investigations in topology. Part~8
\serial Zap. Nauchn. Sem. POMI
\yr 1995
\vol 231
\pages 299--308
\publ POMI
\publaddr St.~Petersburg
\mathnet{http://mi.mathnet.ru/znsl3758}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=1434301}
\zmath{https://zbmath.org/?q=an:0907.51001|0886.51001}
\transl
\jour J. Math. Sci. (New York)
\yr 1998
\vol 91
\issue 6
\pages 3526--3531
\crossref{https://doi.org/10.1007/BF02434931}
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