Ebook: Combinatorics Advances

On March 28~31, 1994 (Farvardin 8~11, 1373 by Iranian calendar), the Twenty­ fifth Annual Iranian Mathematics Conference (AIMC25) was held at Sharif University of Technology in Tehran, Islamic Republic of Iran. Its sponsors in~ eluded the Iranian Mathematical Society, and the Department of Mathematical Sciences at Sharif University of Technology. Among the keynote speakers were Professor Dr. Andreas Dress and Professor Richard K. Guy. Their plenary lec~ tures on combinatorial themes were complemented by invited and contributed lectures in a Combinatorics Session. This book is a collection of refereed papers, submitted primarily by the participants after the conference. The topics covered are diverse, spanning a wide range of combinatorics and al~ lied areas in discrete mathematics. Perhaps the strength and variety of the pa~ pers here serve as the best indications that combinatorics is advancing quickly, and that the Iranian mathematics community contains very active contributors. We hope that you find the papers mathematically stimulating, and look forward to a long and productive growth of combinatorial mathematics in Iran.

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The 19 surveys and research papers collected in Combinatorics Advances were presented at the 25th Annual Iranian Conference in Tehran. Keynote papers by Richard Guy and Andreas Dress on combinatorics, combinatorial games, molecular biology and tilings are complemented by invited survey papers on combinatorial design theory and graph theory, and by contributed papers covering graphs, designs, and related combinatorics. The problem session at the conference posed interesting open questions, and these are included in the book.
Audience: Informative and stimulating reading for researchers in discrete mathematics at all levels.