Galois-theoretic properties of elliptic curves with non-split Cartan level structure, in preparation.
An exceptional isomorphism between modular curves of level 13 via Torelli's theorem, preprint. (pdf)
An exceptional isomorphism between modular curves of level 13 (formerly "Modular curves of level 13"), preprint. (pdf)
Normalizers of non-split Cartan subgroups, modular curves and the class number one problem, Journal of Number Theory, vol. 130, issue 12 (2010), 2753-2772. (pdf)
Fitting ideals and the Gorenstein property, Archiv der Mathematik, vol. 94, issue 1 (2010), 11-18. (pdf)
A modular curve of level 9 and the class number one problem, Journal of Number Theory, vol. 129 (2009), 715-728. (pdf)