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Let X ⊂ R be a set that is definable in an o-minimal expansion of R. This paper shows that, in a suitable sense, there are very few rational points of X that do not lie on some connected semialgebraic subset of X of positive dimension. 2000 Mathematics Subject Classification: 11G99, 03C64

- Jonathan Pila
- 2010

We give a generalization to Abelian varieties over finite fields of the algorithm of Schoof for elliptic curves. Schoof showed that for an elliptic curve E over F , given by a Weierstrass equation, one can compute the number of Q F -rational points of E in time 0((log<?) ). Our result is the following. Let A be an Abelian variety over F . Then one can… (More)

We present a new proof of the Manin-Mumford conjecture about torsion points on algebraic subvarieties of abelian varieties. Our principle, which admits other applications, is to view torsion points as rational points on a complex torus and then compare (i) upper bounds for the number of rational points on a transcendental analytic variety… (More)

We give an unconditional proof of the André-Oort conjecture for arbitrary products of modular curves. We establish two generalizations. The first includes the Manin-Mumford conjecture for arbitrary products of elliptic curves defined over Q as well as Lang’s conjecture for torsion points in powers of the multiplicative group. The second includes the… (More)

- Daniel J. Bernstein, Hendrik W. Lenstra, Jonathan Pila
- Math. Comput.
- 2007

This paper presents an algorithm that, given an integer n > 1, finds the largest integer k such that n is a kth power. A previous algorithm by the first author took time b1+o(1) where b = lg n; more precisely, time b exp(O( √ lg b lg lg b)); conjecturally, time b(lg b)O(1). The new algorithm takes time b(lg b)O(1). It relies on relatively complicated… (More)

- Jonathan Pila
- 2009

We study the distribution of rational points on a certain exponential-algebraic surface and<lb>we prove, for this surface, a conjecture of A. J. Wilkie. 2000 Mathematics Subject Classification: 11G99, 03C64<lb>

- Jonathan Pila
- Notre Dame Journal of Formal Logic
- 2013

In a recent paper I established an analogue of the Lindemann-Weierstrass part of Ax-Schanuel for the elliptic modular function. Here I extend this to include its first and second derivatives. A generalisation is given that includes exponential and Weierstrass elliptic functions as well. 2000 Mathematics Subject Classification: 11G18, 03C64

— This paper is concerned with the density of rational points on the graph of a non-algebraic pfaffian function. RÉSUMÉ. — Cet article est concerné par la densité de points rationnels sur le graphe d’une fonction pfaffienne non-algébrique.

- Jonathan Pila
- 2005

Let X ⊂ R be the graph of a pfaffian function f in the sense of Khovanskii. Suppose that X is nonalgebraic. This note gives an estimate for the number of rational points on X of height ≤ H ; the estimate is uniform in the order and degree of f . 2000 Mathematics Subject Classification: 11D99 (11J99)

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