Courses:

2011/2012:
Algebra 3 (7.5 ECTS)
Linear Algebra (7.5 ECTS, Class teacher)
PhD school: Modular galois representations modulo prime powers.
(Lectures by Gabor Wiese, Ian Kiming, Panagiotis Tsaknias)
Algebraic Number Theory (7.5 ECTS)

2010/2011:
PhD school: Modular forms on congruence and noncongruence subgroups.
(Lectures by Ian Kiming, Matthias Schütt, Noriko Yui)
Algebra 1 (7.5 ECTS)
Basic algebraic structures (7.5 ECTS, together with Søren Jøndrup and Jørn B. Olsson)
Introduction to elliptic curves (7.5 ECTS)

2009/2010:
Algebra 2 (7.5 ECTS)
Algebra 1 (7.5 ECTS)

2008/2009:
Algebra 2 (7.5 ECTS)
Modular forms (7.5 ECTS)
Algebraic number theory (7.5 ECTS)

Graduate School of Mathematics and Applications: Introduction to Q-curves.
Lectures by Imin Chen, Simon Fraser University, Burnaby, Canada

2007/2008:
Algebra 2 (7.5 ECTS)
Introduction to elliptic curves (7.5 ECTS)

Graduate School of Mathematics and Applications: Duality in Arithmetic, Brauer groups and Discrete Logarithms.
Lectures by Prof. Dr. Gerhard Frey, Inst. f. exp. Math., Univ. Essen-Duisburg, Germany

2006/2007:
Matematisk Metode (7.5 ECTS)
Cryptography (7.5 ECTS)
Algebraic number theory (7.5 ECTS)

Graduate School of Mathematics and Applications: Modular forms and differential equations
Lectures by Helena Verrill, Louisiana State University, USA

2005/2006:
Matematisk Metode (7.5 ECTS)
MatMmini (0 ECTS)
Introduction to elliptic curves (7.5 ECTS)
Algebraic number theory  (7.5 ECTS)

Graduate School of Mathematics and Applications: Galois representations and Diophantine equations
Lectures by Imin Chen, Simon Fraser University, Burnaby, Canada

2004/2005:
Matematisk Metode (7.5 ECTS)
Introduction to cryptography. (7.5 ECTS)
MatMmini (0 ECTS)
Introduction to elliptic curves. (7.5 ECTS)

2003/2004:
Algebraic number theory (10 ECTS)
Algebraic number theory II (10 ECTS)

2002/2003:
Introduction to cryptography (10 ECTS)
Introduction to elliptic curves (10 ECTS)

2001/2002:
Mat1GB (Exercises).
Fontaine theory (10 ECTS)

2000/2001:
Introduction to elliptic curves (10 ECTS)
Introduction to elliptic curves II (10 ECTS)

1999/2000:
Elliptic curve cryptography (10 ECTS)

1998/1999:
The work of Andrew Wiles and the proof of Fermat's last theorem (10 ECTS)