publications

Joint work with Roman Sauer.

Also available at the arXiv: 0706.3904.

Published by Commentarii Mathematici Helvetici ( pdf ), Comment. Math. Helv., Volume 84, pp. 457--470, 2009.

Joint work with Roman Sauer.

Also available at the arXiv: 0710.1635.

Published by the Journal of Topology ( pdf ), Journal of Topology, Volume 2, pp. 193--225, 2009.

Joint work with D. Kotschick

Also available at the arXiv: 0806.4540 [math.GT].

Published by the Journal of the London Mathematical Society ( pdf ), J. London Math. Soc. Volume 79, Number 3, pp. 545--561 2009.

Also available at the arXiv: math.AT/0612589.

Münster Journal of Mathematics ( pdf ), Volume 1, pp. 237-266, 2008.

Also available at the arXiv: math.AT/0504103

Published by Mathematische Zeitschrift. The original publication is available at www.springerlink.com. The DOI is 10.1007/s00209-005-0905-7. The complete reference of the printed version is: Mathematische Zeitschrift, Volume 253, Number 1, pp. 197-218, 2006.

preprints

(03/2010)Joint work with D. Kotschick

Also available at the arXiv: 1003.3853 [math.GR]

(04/2008)

Also available at the arXiv: 0804.3242v2 [math.AT]

[Superseded by 0806.4540 [math.GT] above]

other contributions