Combinatorics '81

Interest in combinatorial techniques has been greatly enhanced by the applications they may offer in connection with computer technology. The 38 papers in this

Many sequences of combinatorial interest are known to be unimodal or log-concave and there has been a considerable amount of interest devoted to this topic. The

This book represents a comprehensive overview of the present state of progress in three related areas of combinatorics. It comprises selected papers from a conf