Tropical geometry is a combinatorial shadow of algebraic geometry, offering new polyhedral tools to compute invariants of algebraic varieties. It is based on tropical algebra, where the sum of two numbers is their minimum and the product is their sum. This turns polynomials into piecewise-linear functions, and their zero sets into polyhedral complexes. These tropical varieties ...(展开全部)

Finally, a comprehensive fish identification guide covering the fish-rich reefs of the Pacific. It contains 2,500 underwater photographs of 2,000 species from four of the best marine life authors/photographers in the business. Their collaboration makes it possible for underwater naturalists to identify fishes from Thailand to Tahiti with a single, compact, easy-to-use, no-nonse...(展开全部)

Operation Shylock: A Confession is novelist Philip Roth's 19th book and was published in 1993. The novel follows narrator "Philip Roth" on a journey to Israel. There he attends the trial of accused war criminal John Demjanjuk, while at the same time seeking out the impersonator who has appropriated his identity and celebrity in order to spread "Diasporism," a counter-Zionist id...(展开全部)

What if a lookalike stranger stole your name, usurped your biography, and went about the world pretending to be you? In this tour de force of fact and fiction, Philip Roth meets a man who may or may not be Philip Roth. Because someone with that name has been touring the State of Israel, promoting a bizarre exodus in reverse of the Jews. Roth decides to stop him - even if that m...(展开全部)

Illustrating the key drivers in effective supply chain management. Supply Chain Management illustrates the key drivers of good supply chain management in order to help readers understand what creates a competitive advantage. The fifth edition continues to increase the focus on global supply chain.

Illustrating the key drivers in effective supply chain management. Supply Chain Management illustrates the key drivers of good supply chain management in order to help readers understand what creates a competitive advantage. The fifth edition continues to increase the focus on global supply chain.

'A bold, ambitious and truly wonderful history of the world' Peter Wohlleben, author of The Hidden Life of Trees 'A fascinating story and a crucial revision of the momentous importance of tropical forests to human history' Lewis Dartnell, author of Origins _________________________ Jungle tells the remarkable story of the world's tropical forests, from the arrival of the first ...(展开全部)

To many of us, tropical forests are the domain of movies and novels. These dense, primordial wildernesses are beautiful to picture, but irrelevant to our lives. Jungle tells a different story. Archaeologist Patrick Roberts argues that tropical forests have shaped nearly every aspect of life on earth. They made the planet habitable, enabled the rise of dinosaurs and mammals, and...(展开全部)

Operation Valhalla collects eighteen texts by German media theorist Friedrich Kittler on the close connections between war and media technology. In these essays, public lectures, interviews, literary analyses, and autobiographical musings, Kittler outlines how war has been a central driver of media’s evolution, from Prussia’s wars against Napoleon to the so-called War on Terror...(展开全部)