- Generalized theta series and spherical designs (with G. Hein), Contemporary Mathematics 587 (2013) 21–29 [pdf]
- Quadratic forms and their theta series — infinitesimal aspects (with G. Hein) [arXiv]
- The Conway and Sloane tetralattice pairs are non–isometric (with G. Hein), Adv. Math. 228 (2011), no. 1, 153–166 [arXiv]
- Lattice invariants from the heat kernel (II) (with G. Hein) [arXiv]
- Lattice invariants from the heat kernel (I) (with G. Hein) [arXiv]
- The Minkowski–Siegel formula for quadratic bundles on curves, Dissertation, Göttingen (2006) 77pp. [pdf, Göttingen Dissertations]
- Supersingular elliptic curves and maximal quaternionic orders Mathematisches Institut Seminars, Göttingen (2004) 53–60 [arXiv, Göttingen Seminars 2004]
Preprints appear here and on arXiv after being submitted.