The sign-solvability of a linear system implies that the signs of the entries of the solution are determined solely on the basis of the signs of the coefficients of the system. That it might be worthwhile and possible to investigate such linear systems was recognised by Samuelson in his classic book Foundations of Economic Analysis. Sign-solvability is part of a larger study which seeks to understand the special circumstances under which an algebraic, analytic or geometric property of a matrix can be determined from the combinatorial arrangement of the positive, negative and zero elements of the matrix. The large and diffuse body of literature connected with sign-solvability is presented as a coherent whole for the first time in this book, displaying it as a beautiful interplay between combinatorics and linear algebra. One of the features of this book is that algorithms that are implicit in many of the proofs have been explicitly described and their complexity has been commented on.
A comprehensive three-volume reference work offers six hundred entries, with the first two volumes covering themes and the third volume exploring two hundred classic works in literature, television, and film.
This is a series of introductory books about different types of writing. One strand of the series will focus on genres such as Science Fiction, Horror, Romance, and Crime. The other strand will focus on movements or styles often associated with historical and cultural locations - Postcolonial, Native American, Scottish, Irish, American Gothic. These introductions all share the same nine-part structure: 1.A broad definition of the genre and its essential elements 2.A timeline of historical developments 3.Critical concerns to bear in mind while reading 4.Detailed readings of several key texts 5.In-depth analysis of major themes and issues 6.Signposts for further study 7.A summary of the most important criticism in the field 8.A glossary of terms 9.An annotated, critical reading list Writers covered in this book include: Lewis Carroll, Edward Lear, George Orwell, J.R.R. Tolkien, Mary Shelley, J.K. Rowling, H.G. Wells, Thomas More, Jonathan Swift, Charlotte Perkins Gilman, Yann Martel, Jeanette Winterson, and William Gibson.
This book provides an illuminating guide to literature that creates alternative worlds for young readers. Focusing on the work of Ursula Le Guin, Terry Pratchett and Philip Pullman, the book considers both the genre of 'alternative worlds' and the distinctiveness of these authors' texts, including Philip Pullman's The Amber Sypglass.
In this new and timely cultural history of science fiction, Roger Luckhurst examines the genre from its origins in the late nineteenth century to its latest manifestations. The book introduces and explicates major works of science fiction literature by placing them in a series of contexts, using the history of science and technology, political and economic history, and cultural theory to develop the means for understanding the unique qualities of the genre. Luckhurst reads science fiction as a literature of modernity. His astute analysis examines how the genre provides a constantly modulating record of how human embodiment is transformed by scientific and technological change and how the ver...
Details each of Bradbury's writings from initial draft through various editions, providing sample pages showing Bradbury's drafts and revisions and side-by-side sections of novels and short stories that compare the way Bradbury's work appeared in different published sources.