English

Rank statistics for a family of elliptic curves over a function field

Number Theory 2009-03-18 v1 Algebraic Geometry

Abstract

We show that the average and typical ranks in a certain parametric family of elliptic curves described by D. Ulmer tend to infinity as the parameter dd \to\infty. This is perhaps unexpected since by a result of A. Brumer, the average rank for all elliptic curves over a function field of positive characteristic is asymptotically bounded above by 2.3.

Keywords

Cite

@article{arxiv.0903.2866,
  title  = {Rank statistics for a family of elliptic curves over a function field},
  author = {Carl Pomerance and Igor E. Shparlinski},
  journal= {arXiv preprint arXiv:0903.2866},
  year   = {2009}
}