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Between the late nineteenth and mid-twentieth century, technology transformed the entertainment industry as much as it did such heavy industries as coal and steel. Among those most directly affected were musicians, who had to adapt to successive inventions and refinements in audio technology--from wax cylinders and gramophones to radio and sound films. In this groundbreaking study, James P. Kraft explores the intersection of sound technology, corporate power, and artistic labor during this disruptive period.

Kraft begins in the late nineteenth century's -golden age- of musicians,...

Number theory has a rich history. For many years it was one of the purest areas of pure mathematics, studied because of the intellectual fascination with properties of integers. More recently, it has been an area that also has important applications to subjects such as cryptography. An Introduction to Number Theory with Cryptography presents number theory along with many interesting applications. Designed for an undergraduate-level course, it covers standard number theory topics and gives instructors the option of integrating several other topics into their coverage. The "Check Your...

Elementary Number Theory takes an accessible approach to teaching students about the role of number theory in pure mathematics and its important applications to cryptography and other areas.

The first chapter of the book explains how to do proofs and includes a brief discussion of lemmas, propositions, theorems, and corollaries. The core of the text covers linear Diophantine equations; unique factorization; congruences; Fermat s, Euler s, and Wilson s theorems; order and primitive roots; and quadratic reciprocity. The authors also discuss numerous...