Vol. 3, No. 3, 2009

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ISSN: 1944-7833 (e-only)
ISSN: 1937-0652 (print)
Self-points on elliptic curves

Christian Wuthrich

Vol. 3 (2009), No. 3, 283–315

Let E be an elliptic curve of conductor N and let p be a prime. We consider trace-compatible towers of modular points in the noncommutative division tower (E[p]). Under weak assumptions, we can prove that all these points are of infinite order and determine the rank of the group they generate. Also, we use Kolyvagin’s construction of derivative classes to find explicit elements in certain Tate–Shafarevich groups.

elliptic curves, modular point, modular curves
Mathematical Subject Classification 2000
Primary: 11G05
Secondary: 11G18, 11G40
Received: 10 June 2008
Revised: 23 February 2009
Accepted: 24 February 2009
Published: 1 May 2009
Christian Wuthrich
School of Mathematical Sciences
University of Nottingham
Nottingham NG7 2RD
United Kingdom