Notes (mostly old)
 notes of an introduction to complex
multiplication of abelian varieties.

notes of a talk about
abelian surfaces that admit an (l,l)endomorphism.

notes of the LAPPTop courses
for VWO (high school) students about number theory and RSA:
''De wiskunde van geheimschriften'' (in Dutch).

notes on division polynomials with complex multiplication.

notes of a talk about Néron models of elliptic curves in ps and pdf.

Master's thesis Elliptic Divisibility Sequences with Complex Multiplication (PDF).
June 2nd 2006, supervised by Gunther Cornelissen.
 notes of a talk about Kummer Theory.

notes on Hilbert's Tenth Problem over Q in ps and pdf.

kleine scriptie (in Dutch) about Eisenstein's proofs of the quadratic and quartic reciprocity laws using periodic functions.