## Ph.D. Thesis

*Computable Enumeration and the Problem of Repetition*, Department of Mathematics and Statistics, Simon Fraser University, Burnaby 1995

- In postscript.gz format.
- In div format.

## Mathematical Journal Articles

- Kummer M., Wehner S., Yi X.;
*Discrete Families of Recursive Functions and Index Sets*, Algebra and Logic 33, (1994), p. 85 – 94. - Wehner S.,
*The index set of injectiveley enumerable classes of recursively enumerable sets is Sigma_5 – complete*, Mathematical Logic Quarterly 40, (1994), p. 87 – 94, postscript or postscript gz. - Wehner S.,
*On injective enumerability of recursively enumerable classes of cofinite sets*, Archive for Mathematical Logic 34, (1995), p. 183 – 196, postscript or postscript gz. - Wehner S.,
*Enumerations, Countable Structures and Turing Degrees*, Proceedings of the American Mathematical Society, July 1998, postscript or postscript gz. - Wehner S.,
*On recursive enumerability with finite repetitions*, Journal of Symbolic Logic, Volume 64, Number 3, 1999, postscript or postscript gz. - Harrison L.G.; Wehner S.; Holloway DM.,
*Complex morphogenesis of surfaces: theory and experiment on coupling of reaction-diffusion patterning to growth*, Faraday Discussions 120 (2001), p. 277 – 294. - Nagata W., Harrison G., Wehner S.,
*Reaction-Diffusion Models of Growing Plant Tips: Bifurcations on Hemispheres*, Bulletin of Mathematical Biology, Volume 65, Issue 4 , July 2003, p. 571-607.

## Book

- Traffic Life : Passionate Tales and Exit Strategies, Ed. Stephan Wehner, Vancouver, BC January 2004. ISBN: 0-9734022-0-2 website

## Website

- thrackle.org : about John Conway’s Thrackle Problem.