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The Psychedelic Sixties were turbulent times filled with periods of ecstasy and despair. Who could have predicted that President Kennedy's Camelot would end with his televised assassination? Or that Harvard psychologist Timothy Leary's "Concord Prison Project" would evolve into his becoming the pied piper of LSD, the Psychedelic Revolution, and the Hippie Movement? To the credit of many Americans, a key characteristic of the Psychedelic Sixties was the search for solutions to society's social problems. But who could have predicted that President Johnson's "Great Society" would soon fall...

Why the title, Freedom, Common Sense, and the "Nanny State"? Freedom is the individual's ability to choose. The more choices one has in life, the greater one's freedom. America is world-famous as the Land of the Free. Common sense is the stuff wise decisions are based upon. Freedom and common sense-and lots of good, old-fashioned ingenuity-have built the greatest nation the world has ever known, the United States of America. But freedom can be frustrating, because it allows for philosophers and fools. And common sense is not as plentiful as one might hope.

We Americans are currently...

Some remarkable connections between commutative algebra and combinatorics have been discovered in recent years. This book provides an overview of two of the main topics in this area. The first concerns the solutions of linear equations in nonnegative integers. Applications are given to the enumeration of integer stochastic matrices (or magic squares), the volume of polytopes, combinatorial reciprocity theorems, and related results. The second topic deals with the face ring of a simplicial complex, and includes a proof of the Upper Bound Conjecture for Spheres. An introductory chapter...

Written by one of the foremost experts in the field, Algebraic Combinatorics is a unique undergraduate textbook that will prepare the next generation of pure and applied mathematicians. The combination of the author's extensive knowledge of combinatorics and classical and practical tools from algebra will inspire motivated students to delve deeply into the fascinating interplay between algebra and combinatorics. Readers will be able to apply their newfound knowledge to mathematical, engineering, and business models.

The text is primarily intended for use in a one-semester...