- First exercise sheet, due April 26 in the exercises.
- Second exercise sheet (corrected version), due May 3 in the exercises.
- Third exercise sheet, due May 17 in the exercises.
- Fourth exercise sheet (with a minor typo corrected), due Monday, May 28 (!) in the lecture.
- Fifth exercise sheet, due June 7 in the exercises.
- Sixth exercise sheet, due June 14 in the exercises.
- Seventh exercise sheet, due June 21 in the exercises.
- Eighth exercise sheet, due June 28 in the exercises.
- Nineth exercise sheet, due July 5 in the exercises.
- Tenth exercise sheet, due July 12 in the exercises.

- Corrected version of first exercise sheet, due October 23.
- Second exercise sheet, due October 30.
- Third exercise sheet, due November 6.
- Corrected version of fourth exercise sheet, due November 13.
- Fifth exercise sheet, due November 20.
- Sixth exercise sheet, due November 27.
- Seventh exercise sheet, due December 4.
- Eighth exercise sheet, due December 11.
- Ninth exercise sheet, due December 18.
- Tenth exercise sheet, due January 8.
- Eleventh exercise sheet, due January 15.
- Twelfth exercise sheet, due January 22.

- Corrected version of first exercise sheet, due October 24.
- Second exercise sheet, due November 3.
- Third exercise sheet, due November 10.
- Fourth exercise sheet, due November 17.
- Corrected version of fifth exercise sheet, due November 24.
- Corrected version of sixth exercise sheet, due December 1.
- Seventh exercise sheet, due December 8.
- Eighth exercise sheet, due December 15.
- Nineth exercise sheet, due December 22.
- Tenth exercise sheet, due January 12.
- Eleventh exercise sheet, due January 19.
- Eleventh exercise sheet, due January 26.

**On the spaces F**Math. Nachr. 125 (1986), 113-149.^{s}_{pq}of Triebel-Lizorkin type: pointwise multipliers and spaces on domains,- (with Yu. I. Manin and Yu. Tschinkel)
**Rational points of bounded height on Fano varieties,**Invent. Math. 95(1989), 421-435 - (with T. Runst)
**Regular elliptic boundary value problems in Besov-Triebel-Lizorkin spaces.**Math. Nachr. 174 (1995), 113-149. **Harmonic analysis in weighted L**, Ann. Sci. École Norm. Sup. (4), 31(1998), 181-279_{2}-spaces- (with J. Schwermer),
**A decomposition of spaces of automorphic forms, and the Eisenstein cohomology of arithmetic groups,**Math. Ann. 311(1998), 765-790. **On the singularities of residual Eisenstein series,**Invent. Math. 138(1999), 307-317- (With T. Kleinjung, F. Morain and T. Wirth)
**Proving the primality of very large numbers with fastECPP,**in**Algorithmic number theory,**Lecture Notes in Comput. Sci., 3076, 2004, pages 194-207. - (With T. Kleinjung), Continued fractions and lattice sieving. In: Proceedings SHARCS 2005
- (with K. Aoki, T. Kleinjung, A. Lenstra, D. Osvik)
**A kilobit special number field sieve factorization,**in**Advances in cryptology. ASIACRYPT 2007,**Lecture Notes in Comput. Sci., 4833, 2007, pages 1-12. **A topological model for some summand of the Eisenstein cohomology of congruence subgroups**, in**Eisenstein series and applications,**Progr. Math., 258, 2008, pages 27-85.