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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Nonisomorphic algebraic structures on smooth manifolds
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by J. Bochnak and W. Kucharz PDF
Proc. Amer. Math. Soc. 101 (1987), 424-426 Request permission

Abstract:

Given a compact smooth hypersurface $M$ in ${{\mathbf {R}}^{n + 1}}$, we construct a family $\left \{ {{X_k}} \right \},k = 1,2, \ldots$, of nonsingular real algebraic subsets of ${{\mathbf {R}}^{n + 1}}$ such that each ${X_k}$ is isotopic to $M$ but, for $k \ne l,{X_k}$ and ${X_l}$ are not birationally equivalent.
References
  • Selman Akbulut and Henry King, The topology of real algebraic sets, Knots, braids and singularities (Plans-sur-Bex, 1982) Monogr. Enseign. Math., vol. 31, Enseignement Math., Geneva, 1983, pp. 7–47. MR 728579
  • S. Akbulut and H. King, Submanifolds and homology of nonsingular real algebraic varieties, Amer. J. Math. 107 (1985), no. 1, 45–83. MR 778089, DOI 10.2307/2374457
  • J. Bochnak, Relèvement des jets, Séminaire Pierre Lelong (Analyse), (année 1970-1971), Lecture Notes in Math., Vol. 275, Springer, Berlin, 1972, pp. 106–118 (French). MR 0377971
  • Robin Hartshorne, Algebraic geometry, Graduate Texts in Mathematics, No. 52, Springer-Verlag, New York-Heidelberg, 1977. MR 0463157
  • D. Mumford, Algebraic geometry. I, Springer-Verlag, Berlin and New York, 1978.
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Additional Information
  • © Copyright 1987 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 101 (1987), 424-426
  • MSC: Primary 32B99; Secondary 14G30
  • DOI: https://doi.org/10.1090/S0002-9939-1987-0908641-3
  • MathSciNet review: 908641