On supersingular curves and Abelian varieties.
Torsten Ekedahl (1987)
Mathematica Scandinavica
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Torsten Ekedahl (1987)
Mathematica Scandinavica
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R.C. Gunning (1982)
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E. Colombo, G.P. Pirola (1990)
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Josep González (1998)
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Let A be an abelian variety defined over a finite field. In this paper, we discuss the relationship between the p-rank of A, r(A), and its endomorphism algebra, End(A). As is well known, End(A) determines r(A) when A is an elliptic curve. We show that, under some conditions, the value of r(A) and the structure of End(A) are related. For example, if the center of End(A) is an abelian extension of Q, then A is ordinary if and only if End(A) is a commutative field. Nevertheless, we give...
Tom Weston (2003)
Acta Arithmetica
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Ziv Ran (1980/81)
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Giambattista Marini (1997)
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Antonella Perucca (2010)
Acta Arithmetica
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Leonard Roth (1954)
Rendiconti del Seminario Matematico della Università di Padova
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Stefan Barańczuk, Piotr Rzonsowski (2014)
Colloquium Mathematicae
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We investigate possible orders of reductions of a point in the Mordell-Weil groups of certain abelian varieties and in direct products of the multiplicative group of a number field. We express the result obtained in terms of divisibility sequences.
Peter Norman (1981)
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G. Faltings (1983)
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Herbert Lange, Christina Birkenhake (1991)
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Yves Aubry, Safia Haloui, Gilles Lachaud (2013)
Acta Arithmetica
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We give upper and lower bounds for the number of points on abelian varieties over finite fields, and lower bounds specific to Jacobian varieties. We also determine exact formulas for the maximum and minimum number of points on Jacobian surfaces.