Rational surfaces over perfect fields (résumé anglais)
Jurii I. Manin (1966)
Publications Mathématiques de l'IHÉS
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Jurii I. Manin (1966)
Publications Mathématiques de l'IHÉS
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Lahyane, Mustapha (2002)
International Journal of Mathematics and Mathematical Sciences
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Marco Manetti (1993)
Rendiconti del Seminario Matematico della Università di Padova
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R. V. Gurjar, A. J. Parameswaran (1995)
Compositio Mathematica
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Robin Hartshorne (1969)
Publications Mathématiques de l'IHÉS
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Rusin, David J. (1998)
The New York Journal of Mathematics [electronic only]
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Petroula Dospra (2023)
Archivum Mathematicum
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In this paper we consider rational Bézier curves with control points having rational coordinates and rational weights, and we give necessary and sufficient conditions for such a curve to have infinitely many points with integer coefficients. Furthermore, we give algorithms for the construction of these curves and the computation of theirs points with integer coefficients.
Fumio Sakai (1983)
Compositio Mathematica
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Andrey Trepalin (2014)
Open Mathematics
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Let be a field of characteristic zero and G be a finite group of automorphisms of projective plane over . Castelnuovo’s criterion implies that the quotient of projective plane by G is rational if the field is algebraically closed. In this paper we prove that is rational for an arbitrary field of characteristic zero.
Emrah Çakçak, Ferruh Özbudak (2005)
Acta Arithmetica
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Fedor Bogomolov, Viktor Kulikov (2013)
Open Mathematics
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The article contains a new proof that the Hilbert scheme of irreducible surfaces of degree m in ℙm+1 is irreducible except m = 4. In the case m = 4 the Hilbert scheme consists of two irreducible components explicitly described in the article. The main idea of our approach is to use the proof of Chisini conjecture [Kulikov Vik.S., On Chisini’s conjecture II, Izv. Math., 2008, 72(5), 901–913 (in Russian)] for coverings of projective plane branched in a special class of rational curves. ...
Emilia Mezzetti, Dario Portelli (1998)
Collectanea Mathematica
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