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Relativity, Gravitation and Cosmology: A Basic Introduction

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Relativity, Gravitation and Cosmology: A Basic Introduction By Ta-Pei Cheng
2009 | 355 Pages | ISBN: 0199573638 , 0199573646 | PDF | 6 MB

Relativity, Gravitation and Cosmology: A Basic Introduction
Einstein's general theory of relativity is introduced in this advanced undergraduate and beginning graduate level textbook. Topics include special relativity, in the formalism of Minkowski's four-dimensional space-time, the principle of equivalence, Riemannian geometry and tensor analysis, Einstein field equation, as well as many modern cosmological subjects, from primordial inflation and cosmic microwave anisotropy to the dark energy that propels an accelerating universe.
The author presents the subject with an emphasis on physical examples and simple applications without the full tensor apparatus. The reader first learns how to describe curved spacetime. At this mathematically more accessible level, the reader can already study the many interesting phenomena such as gravitational lensing, precession of Mercury's perihelion, black holes, and cosmology. The full tensor formulation is presented later, when the Einstein equation is solved for a few symmetric cases. Many modern topics in cosmology are discussed in this book: from inflation, cosmic microwave anisotropy to the "dark energy" that propels an accelerating universe.
Mathematical accessibility, together with the various pedagogical devices (e.g., worked-out solutions of chapter-end problems), make it practical for interested readers to use the book to study general relativity and cosmology on their own.
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Warhammer Library eBooks

FREEDownload : Warhammer Library eBooks

Warhammer Library eBooks
English | EPUB + MOBI | Ebooks Collection | All In One | 632 MB
Basic description of the warhammer universe
Warhammer Fantasy is a fantasy setting, created by Games Workshop, which is used by many of the company's games. Some of the best-known games set in this world are: the table top wargame Warhammer Fantasy Battle, the Warhammer Fantasy Roleplay (WFRP) pen-and-paper role-playing game, and the MMORPG Warhammer Online: Age of Reckoning.

Warhammer Library eBooks

Warhammer is notable for its "dark and gritty" background world, which features a culture similar in appearance to Early Modern Germany crossed with Tolkien's Middle-earth. "Chaos" is central to the setting, as the forces of Chaos are unceasingly attempting to tear the mortal world asunder. The world itself is populated with a variety of races such as humans, high elves, dark elves, wood elves, dwarfs, undead, orcs, lizardmen, ogres, and other creatures familiar to many fantasy/role-playing settings.

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