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Suitable for advanced undergraduates and graduate students, this compact treatment examines linear space, functionals, and operators; diagonalizing operators; operator algebras; and equations of motion. 1969 edition.

The inspiration for the Netflix original movie War Machine, starring Brad Pitt, Tilda Swinton, and Ben Kingsley From the author of The Last Magazine, a shocking behind-the-scenes portrait of our military commanders, their high-stake maneuvers, and the politcal firestorm that shook the United States. In the shadow of the hunt for Bin Laden and the United States’ involvement in the Middle East, General Stanley McChrystal, the commanding general of international and U.S. forces in Afghanistan, was living large. His loyal staff liked to call him a “rock star.” During a spring 2010 trip, journalist Michael Hastings looked on as McChrystal and his staff let off steam, partying and openly bashing the Obama administration. When Hastings’s article appeared in Rolling Stone, it set off a political firestorm: McChrystal was unceremoniously fired. In The Operators, Hastings picks up where his Rolling Stone coup ended. From patrol missions in the Afghan hinterlands to senior military advisors’ late-night bull sessions to hotel bars where spies and expensive hookers participate in nation-building, Hastings presents a shocking behind-the-scenes portrait of what he fears is an unwinnable war. Written in prose that is at once eye-opening and other times uncannily conversational, readers of No Easy Day will take to Hastings’ unyielding first-hand account of the Afghan War and its cast of players.

Teaches women how to better understand men and effectively ``train'' men for relationships full of satisfaction, friendship, and intimacy.

Pure and applied mathematicians, physicists, scientists, and engineers use matrices and operators and their eigenvalues in quantum mechanics, fluid mechanics, structural analysis, acoustics, ecology, numerical analysis, and many other areas. However, in some applications the usual analysis based on eigenvalues fails. For example, eigenvalues are often ineffective for analyzing dynamical systems such as fluid flow, Markov chains, ecological models, and matrix iterations. That's where this book comes in. This is the authoritative work on nonnormal matrices and operators, written by the authorities who made them famous. Each of the sixty sections is written as a self-contained essay. Each document is a lavishly illustrated introductory survey of its topic, complete with beautiful numerical experiments and all the right references. The breadth of included topics and the numerous applications that provide links between fields will make this an essential reference in mathematics and related sciences.

This instant New York Times bestseller—“a jaw-dropping, fast-paced account” (New York Post) recounts SEAL Team Operator Robert O’Neill’s incredible four-hundred-mission career, including the attempts to rescue “Lone Survivor” Marcus Luttrell and abducted-by-Somali-pirates Captain Richard Phillips, and which culminated in the death of the world’s most wanted terrorist—Osama bin Laden. In The Operator, Robert O’Neill describes his idyllic childhood in Butte, Montana; his impulsive decision to join the SEALs; the arduous evaluation and training process; and the even tougher gauntlet he had to run to join the SEALs’ most elite unit. After officially becoming a SEAL, O’Neill would spend more than a decade in the most intense counterterror effort in US history. For extended periods, not a night passed without him and his small team recording multiple enemy kills—and though he was lucky enough to survive, several of the SEALs he’d trained with and fought beside never made it home. “Impossible to put down…The Operator is unique, surprising, a kind of counternarrative, and certainly the other half of the story of one of the world’s most famous military operations…In the larger sense, this book is about…how to be human while in the very same moment dealing with death, destruction, combat” (Doug Stanton, New York Times bestselling author). O’Neill describes the nonstop action of his deployments in Iraq and Afghanistan, evokes the black humor of years-long combat, brings to vivid life the lethal efficiency of the military’s most selective units, and reveals details of the most celebrated terrorist takedown in history. This is “a riveting, unvarnished, and wholly unforgettable portrait of America’s most storied commandos at war” (Joby Warrick).