\providecommand{\bysame}{\leavevmode\hbox to3em{\hrulefill}\thinspace} \providecommand{\MR}{\relax\ifhmode\unskip\space\fi MR } % \MRhref is called by the amsart/book/proc definition of \MR. \providecommand{\MRhref}[2]{% \href{http://www.ams.org/mathscinet-getitem?mr=#1}{#2} } \providecommand{\href}[2]{#2} \begin{thebibliography}{10} \bibitem{agashe-stein:bsd} A.~Agashe and W.\thinspace{}A. Stein, \emph{Visible {E}vidence for the {B}irch and {S}winnerton-{D}yer {C}onjecture for {M}odular {A}belian {V}arieties of {A}nalytic {R}ank~$0$}, To appear in Math. of Computation. \bibitem{agashe-stein:manin} \bysame, \emph{The manin constant, congruence primes, and the modular degree}, Preprint,\hfill\\ {\tt http://modular.fas.harvard.edu/papers/manin-agashe/} (2004). \bibitem{neronmodels} S.~Bosch, W.~L{\"u}tkebohmert, and M.~Raynaud, \emph{N\'eron models}, Springer-Verlag, Berlin, 1990. \bibitem{cassels:ellcurves} J.\thinspace{}W.\thinspace{}S. Cassels, \emph{Lectures on elliptic curves}, Cambridge University Press, Cambridge, 1991. \bibitem{cassels-frohlich} J.\thinspace{}W.\thinspace{}S. Cassels and A.~\protect{Fr{\"o}hlich} (eds.), \emph{Algebraic number theory}, London, Academic Press Inc. [Harcourt Brace Jovanovich Publishers], 1986, Reprint of the 1967 original. \bibitem{conrad-stein:compgroup} Brian Conrad and William~A. Stein, \emph{Component groups of purely toric quotients}, Math. Res. Lett. \textbf{8} (2001), no.~5-6, 745--766. \MR{2003f:11087} \bibitem{cremona-mazur} J.\thinspace{}E. Cremona and B.~Mazur, \emph{Visualizing elements in the {S}hafarevich-{T}ate group}, Experiment. Math. \textbf{9} (2000), no.~1, 13--28. \MR{1 758 797} \bibitem{ega4_2} A.~Grothendieck, \emph{\'{E}l\'ements de g\'eom\'etrie alg\'ebrique. {I}{V}. \'{E}tude locale des sch\'emas et des morphismes de sch\'emas. {I}{I}}, Inst. Hautes \'Etudes Sci. Publ. Math. (1965), no.~24, 231. \MR{33 \#7330} \bibitem{ega4_3} \bysame, \emph{\'{E}l\'ements de g\'eom\'etrie alg\'ebrique. {I}{V}. \'{E}tude locale des sch\'emas et des morphismes de sch\'emas. {I}{I}{I}}, Inst. Hautes \'Etudes Sci. Publ. Math. (1966), no.~28, 255. \MR{36 \#178} \bibitem{ega4_4} \bysame, \emph{\'{E}l\'ements de g\'eom\'etrie alg\'ebrique. {I}{V}. \'{E}tude locale des sch\'emas et des morphismes de sch\'emas {I}{V}}, Inst. Hautes \'Etudes Sci. Publ. Math. (1967), no.~32, 361. \MR{39 \#220} \bibitem{hartshorne} R.~Hartshorne, \emph{Algebraic {G}eometry}, Springer-Verlag, New York, 1977, Graduate Texts in Mathematics, No. 52. \bibitem{katz:torsion} N.\thinspace{}M. Katz, \emph{Galois properties of torsion points on abelian varieties}, Invent. Math. \textbf{62} (1981), no.~3, 481--502. \MR{82d:14025} \bibitem{kohel-stein:ants4} D.\thinspace{}R. Kohel and W.\thinspace{}A. Stein, \emph{Component {G}roups of {Q}uotients of \protect{$J_0(N)$}}, Proceedings of the 4th International Symposium (ANTS-IV), Leiden, Netherlands, July 2--7, 2000 (Berlin), Springer, 2000. \bibitem{lang:ant} S.~Lang, \emph{Algebraic number theory}, second ed., Springer-Verlag, New York, 1994. \bibitem{mazur:rational} B.~Mazur, \emph{Rational isogenies of prime degree (with an appendix by {D}. {G}oldfeld)}, Invent. Math. \textbf{44} (1978), no.~2, 129--162. \bibitem{milne:abvars} J.\thinspace{}S. Milne, \emph{Abelian varieties}, Arithmetic geometry (Storrs, Conn., 1984), Springer, New York, 1986, pp.~103--150. \bibitem{milne:duality} \bysame, \emph{Arithmetic duality theorems}, Academic Press Inc., Boston, Mass., 1986. \bibitem{milne:jacs} \bysame, \emph{Jacobian varieties}, Arithmetic geometry (Storrs, Conn., 1984), Springer, New York, 1986, pp.~167--212. \bibitem{mumford:abvars} D.~Mumford, \emph{Abelian varieties}, Published for the Tata Institute of Fundamental Research, Bombay, 1970, Tata Institute of Fundamental Research Studies in Mathematics, No. 5. \bibitem{mumford:jacs} \bysame, \emph{Curves and their jacobians}, Ann Arbor, The University of Michigan Press, 1975. \bibitem{ribet:raising} K.\thinspace{}A. Ribet, \emph{Raising the levels of modular representations}, S\'eminaire de Th\'eorie des Nombres, Paris 1987--88, Birkh\"auser Boston, Boston, MA, 1990, pp.~259--271. \bibitem{shimura:intro} G.~Shimura, \emph{Introduction to the arithmetic theory of automorphic functions}, Princeton University Press, Princeton, NJ, 1994, Reprint of the 1971 original, Kan Memorial Lectures, 1. \bibitem{silverman:aec} J.\thinspace{}H. Silverman, \emph{The arithmetic of elliptic curves}, Springer-Verlag, New York, 1992, Corrected reprint of the 1986 original. \bibitem{silverman:aec2} \bysame, \emph{Advanced topics in the arithmetic of elliptic curves}, Springer-Verlag, New York, 1994. \bibitem{stein:phd} W.\thinspace{}A. Stein, \emph{Explicit approaches to modular abelian varieties}, Ph.D. thesis, University of California, Berkeley (2000). \bibitem{stevens:thesis} G.~Stevens, \emph{Arithmetic on modular curves}, Birkh\"auser Boston Inc., Boston, Mass., 1982. \MR{87b:11050} \bibitem{tate:antwerpiv} J.~Tate, \emph{Algorithm for determining the type of a singular fiber in an elliptic pencil}, Modular functions of one variable, IV (Proc. Internat. Summer School, Univ. Antwerp, Antwerp, 1972), Springer, Berlin, 1975, pp.~33--52. Lecture Notes in Math., Vol. 476. \MR{52 \#13850} \end{thebibliography}