Our understanding of the fundamental processes of the natural world is based to a large extent on partial differential equations (PDEs). The second edition of Partial Differential Equations provides an introduction to the basic properties of PDEs and the ideas and techniques that have proven useful in analyzing them. It provides the student a broad perspective on the subject, illustrates the incredibly rich variety of phenomena encompassed by it, and imparts a working knowledge of the most...

An authoritative and multidisciplinary Companion to Egypt during the Greco-Roman and Late Antique period With contributions from noted authorities in the field, A Companion to Greco-Roman and Late Antique Egypt offers a comprehensive resource that covers almost 1000 years of Egyptian history, starting with the liberation of Egypt from Persian rule by Alexander the Great in 332 BC and ending in AD 642, when Arab rule started in the Nile country. The Companion takes a largely sociological persp...