Torsion points on abelian varieties of CM-type
Alice Silverberg (1988)
Compositio Mathematica
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Alice Silverberg (1988)
Compositio Mathematica
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Josep González (1998)
Publicacions Matemàtiques
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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...
D. W. Masser, G. Wüstholz (1995)
Publications Mathématiques de l'IHÉS
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Yu. G. Zarhin (1985)
Inventiones mathematicae
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Valerio Talamanca (1999)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni
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Let be an abelian variety defined over a number field . In this short Note we give a characterization of the endomorphisms that preserve the height pairing associated to a polarization. We also give a functorial interpretation of this result.
Alexandru Buium, José Felipe Voloch (1993)
Mathematische Annalen
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