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Totally nonnegative matrices arise in a remarkable variety of mathematical applications. This book is a comprehensive and self-contained study of the essential theory of totally nonnegative matrices, defined by the nonnegativity of all subdeterminants. It explores methodological background, historical highlights of key ideas, and specialized topics.

The book uses classical and ad hoc tools, but a unifying theme is the elementary bidiagonal factorization, which has emerged as the single most important tool for this particular class of matrices. Recent work has shown that...

Freud's landmark writings on love and sexuality, including the famous case study of Dora newly translated and in one volume for the first time
This original collection brings together the most important writings on the psychology of love by one of the great thinkers of the twentieth century. Sigmund Freud's discussions of the ways in which sexuality is always psychosexuality that there is no sexuality without fantasy have changed social, cultural, and intellectual attitudes toward erotic life. Among the influential pieces included here are -On Female Sexuality, - -The Taboo...