for the few of us.

S-C. Mu and R. S. Bird, Inverting functions as folds. In Sixth International Conference on Mathematics of Program Construction, Dagstuhl, Germany, July 2002
[GZipped Postscript]

R. S. Bird, J. Gibbons and S-C. Mu, Algebraic methods for optimisation problems. In Algebraic and Coalgebraic Methods in the Mathematics of Program Construction, LNCS 2297, pp. 281-307, January 2002.
[PDF]

R. S. Bird and S-C. Mu, Inverting the Burrows-Wheeler Transform. In ACM SIGPLAN 2001 Haskell Workshop, Firenze, Italy, September 2001.
Superseded by the extended version for Journal of Functional Programming.

S-C. Mu and R. S. Bird, On building trees with minimum height, relationally. In First Asian Workshop on Programming Languages and Systems, Singapore, December 2000.
[GZipped Postscript]

Programs and profiling results accompanying the paper Countdown: a case study in origami programming. [GZipped Tarball]

The injective language Inv, together with the language X, the XEditor, and the HaXml embedding. [GZipped Tarball]