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Knots are familiar objects. Yet the mathematical theory of knots quickly leads to deep results in topology and geometry. This work offers an introduction to this theory, starting with our understanding of knots. It presents the applications of knot theory to modern chemistry, biology and physics.

According to the great mathematician Paul Erdös, God maintains perfect mathematical proofs in The Book. This book presents the authors candidates for such "perfect proofs," those which contain brilliant ideas, clever connections, and wonderful observations, bringing new insight and surprising perspectives to problems from number theory, geometry, analysis, combinatorics, and graph theory. As a result, this book will be fun reading for anyone with an interest in mathematics.

This TExES Business and Finance 6-12 study guide includes TExES Business and Finance 6-12 practice test questions. Our TExES Business and Finance 6-12 study guide contains easy-to-read essential summaries that highlight the key areas of the TExES Business and Finance 6-12 test. Mometrix's TExES Business and Finance 6-12 test study guide reviews the most important components of the TExES Business and Finance 6-12 exam.

Chronicles a visual journey through humanity's efforts to measure and quantify time, from watching the geese fly south for the winter to modern cosmology.