Product Description: This book develops the theory of partitions. Simply put, the partitions of a number are the ways of writing that number as sums of positive integers. For example, the five partitions of 4 are 4, 3+1, 2+2, 2+1+1, and 1+1+1+1. Surprisingly, such a simple matter requires some deep mathematics for its study...read more

Product Description: Richard D. McKelvey was a pioneer in the use of mathematical modeling for understanding the nature of political choices. Positive Changes in Political Science brings together his most important articles, accompanied by original essays from contemporary political scientists, some his colleagues or students, who reflect upon his contributions, their continuing relevance today, and how they are still shaping research for the future...read more