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Undergraduates in engineering and the physical sciences receive a thorough introduction to perturbation theory in this useful and accessible text. Students discover methods for obtaining an approximate solution of a mathematical problem by exploiting the presence of a small, dimensionless parameter — the smaller the parameter, the more accurate the approximate solution. Knowledge of perturbation theory offers a twofold benefit: approximate solutions often reveal the exact solution's essential dependence on specified parameters; also, some problems resistant to numerical solutions may yield to perturbation methods. In fact, numerical and perturbation methods can be combined in a complementa...
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A member of the Inter-governmental Panel on Climate Change examines the fossil-fuel industry's public relations campaign to discredit the science of climate change and deny the reality of global warming.
An analysis of the events, ideas, and conflicts that have defined the Obama administration's foreign policy explores the struggles to enact coherent and effective policies at a time of global turmoil.
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When George W. Bush campaigned for the White House, he was such a novice in foreign policy that he couldn't name the president of Pakistan and momentarily suggested he thought the Taliban was a rock-and-roll band. But he relied upon a group called the Vulcans—an inner circle of advisers with a long, shared experience in government, dating back to the Nixon, Ford, Reagan and first Bush administrations. After returning to power in 2001, the Vulcans were widely expected to restore U.S. foreign policy to what it had been under George H. W. Bush and previous Republican administrations. Instead, the Vulcans put America on an entirely new and different course, adopting a far-reaching set of ideas...
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