Zur Kommunikationskomplexität des Hamming--Abstands,
Diploma Thesis, Universität Bielefeld, 1987.
Zur Kommunikationskomplexität von Summentyp--Funktionen,
PhD Dissertation, Universität Bielefeld, 1991.
On the Communication Complexity of Sum-Type Functions,
Preprint 91-016,
SFB 343, "Discrete Structures in Mathematics",
University of Bielefeld, 1991.
(translation of PhD dissertation).
Orthogonal Polynomials in Information Theory,
Habilitation, 2002.
Publications in Journals and Books
Communication complexity in lattices. Applied Mathematics Letters 6, no. 6, 53-58, 1993, also Preprint 93-030,
SFB 343, "Discrete Structures in Mathematics",
University of Bielefeld,
1993.
(with R. Ahlswede and N. Cai).
Splittings of cyclic groups and perfect shift codes, IEEE Transactions on Information Theory 44, no. 5, 2003-2009, 1998,,
also Preprint 97-112, SFB 343, "Discrete Structures in Mathematics",
University of Bielefeld, 1997.
Communication complexity of functions on direct sums,
"Numbers, Information and Complexity" (Festschrift in honour
of Rudolf Ahlswede),
I. Althöfer, N. Cai, G. Dueck, L. Khachatrian, M. Pinsker,
A. Sarközy, I. Wegener and Z. Zhang (eds.), pp. 589-602,
Kluwer Academic Publishers, 2000.
Communication complexity and orthogonal polynomials,
"Codes and Association Schemes" (A. Barg and S. Litsyn eds.),
DIMACS Series in Discrete Mathematics and Theoretical
Computer Science, Vol. 56, pp. 277-285,
American Mathematical Society, 2001.
Enumeration of rooted trees with fixed maximum vertex degree,
Discrete Mathematics, submitted.
On a problem of Berlekamp, Problems of Information Transmission, submitted
Reports in Proceedings
Communication Complexity in Lattices, Proceedings of 6th Joint Swedish-Russian Workshop on Information Theory,
Moelle, Sweden, pp. 456 - 460, 1993, ISBN 91-7167-002-5.
also in Proceedings of 3rd Twente Workshop on Graphs and
Combinatorial Optimization, pp. 191-194, Memorandum No. 1132,
Univ. Twente, 1993.
Communication Complexity of the Hamming Distance, Proceedings of the EIDMA Winter Meeting on Coding Theory, Information
Theory and Cryptology, Eindhoven, The Netherlands, (H. C. A. van
Tilborg and F. M. J. Willems eds.), p. 21, 1994, ISBN 90-75332-01-7.
The Influence of Memory on Creating Order, Proceedings of 5th Japan - Benelux Workshop on Coding and
Information Theory, Hakone, Japan, , (H. Morita and A. J. van Wijngaarden
eds.), p. 12.1, 1996, ISBN 90-74249-08-6.
On Perfect 3- and 4- Shift N-Designs, Proceedings 2nd INTAS Meeting on Information Theory and Combinatorics,
Essen, Germany, (A. J. H. Vinck ed.), pp. 37 - 39, 1997, ISBN 90-74249-15-9.
Symposium "Numbers, Information and Complexity" in honour of R. Ahlswede,
Preprint 98-010E, SFB 343, "Discrete Structures in Mathematics",
University of Bielefeld, 1998 (with B. Balkenhol).