Gamma

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Princeton University Press, 2003 - 266 páginas
6 Resenhas

Among the myriad of constants that appear in mathematics, p, e, and i are the most familiar. Following closely behind is g, or gamma, a constant that arises in many mathematical areas yet maintains a profound sense of mystery.


In a tantalizing blend of history and mathematics, Julian Havil takes the reader on a journey through logarithms and the harmonic series, the two defining elements of gamma, toward the first account of gamma's place in mathematics.


Introduced by the Swiss mathematician Leonhard Euler (1707-1783), who figures prominently in this book, gamma is defined as the limit of the sum of 1 + 1/2 + 1/3 + . . . up to 1/n, minus the natural logarithm of n--the numerical value being 0.5772156. . .. But unlike its more celebrated colleagues p and e, the exact nature of gamma remains a mystery--we don't even know if gamma can be expressed as a fraction.


Among the numerous topics that arise during this historical odyssey into fundamental mathematical ideas are the Prime Number Theorem and the most important open problem in mathematics today--the Riemann Hypothesis (though no proof of either is offered!).


Sure to be popular with not only students and instructors but all math aficionados, Gamma takes us through countries, centuries, lives, and works, unfolding along the way the stories of some remarkable mathematics from some remarkable mathematicians.


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LibraryThing Review

Comentário do usuário  - FPdC - LibraryThing

The constant γ (called the Euler, or the Euler-Mascheroni) constant plays a significant role in Number Theory. Being, like π or e, one of the ubiquitous mathematical constants, it is, still today ... Ler resenha completa

LibraryThing Review

Comentário do usuário  - fpagan - LibraryThing

Pickover's _Calculus and Pizza_ doesn't teach anywhere near enough calculus to be able to fully read this book, let me tell you. Euler's constant is the limit, as N approaches infinity, of 1 + 1/2 + 1/3 + ... + 1/N - ln N (approximately 0.5772156). Ler resenha completa

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Sobre o autor (2003)

Julian Havil is the author of "Gamma: Exploring Euler s Constant", "Nonplussed!: Mathematical Proof of Implausible Ideas", "Impossible?: Surprising Solutions to Counterintuitive Conundrums", and "The Irrationals: A Story of the Numbers You Can t Count On" (all Princeton). He is a retired former master at Winchester College, England, where he taught mathematics for more than three decades.

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