I have known-been blessed to have known many wondrous women in my life-women of color- ordinary women by most standards-born to humble circumstances-who achieved extraordinary things given the obstacles of race, gender, class, and male chauvinism they faced as women of color in an often hostile society. Those written of here are generally of the same age group, and although of different backgrounds, the similarities in their heritage binds them together. Their longevity was in itself, a testimony to their will. I would also argue that their struggles to make ends meet, and the contributions of the men (for good or bad) in their lives, are analogous to most people I have known in my lifetime. History supports, that these women, are also representative of people of color since they first made contact with persons of European descent. As individuals and as a people still under duress, from within and without, we need to take to heart the gift these women have given us by their willingness to open up, to share their lives with us so that we may learn from them, as they have learned from others who came before them.
George Dantzig is widely regarded as the founder of this subject with his invention of the simplex algorithm in the 1940's. In this second volume, the theory of the items discussed in the first volume is expanded to include such additional advanced topics as variants of the simplex method; interior point methods, GUB, decomposition, integer programming, and game theory. Graduate students in the fields of operations research, industrial engineering and applied mathematics will thus find this volume of particular interest.
Proceedings of the 1996 AMS-IMS-SIAM Joint Summer Research Conference, Discrete and Computational Geometry--Ten Years Later, July 14-18, 1996, Mount Holyoke College
Proceedings of the 1996 AMS-IMS-SIAM Joint Summer Research Conference, Discrete and Computational Geometry--Ten Years Later, July 14-18, 1996, Mount Holyoke College
This volume is a collection of refereed expository and research articles in discrete and computational geometry written by leaders in the field. Articles are based on invited talks presented at the AMS-IMS-SIAM Summer Research Conference, "Discrete and Computational Geometry: Ten Years Later", held in 1996 at Mt. Holyoke College (So.Hadley, MA). Topics addressed range from tilings, polyhedra, and arrangements to computational topology and visibility problems. Included are papers on the interaction between real algebraic geometry and discrete and computational geometry, as well as on linear programming and geometric discrepancy theory.
This book is primarily intended as a research monograph that could also be used in graduate courses for the design of parallel algorithms in matrix computations. It assumes general but not extensive knowledge of numerical linear algebra, parallel architectures, and parallel programming paradigms. The book consists of four parts: (I) Basics; (II) Dense and Special Matrix Computations; (III) Sparse Matrix Computations; and (IV) Matrix functions and characteristics. Part I deals with parallel programming paradigms and fundamental kernels, including reordering schemes for sparse matrices. Part II is devoted to dense matrix computations such as parallel algorithms for solving linear systems, linear least squares, the symmetric algebraic eigenvalue problem, and the singular-value decomposition. It also deals with the development of parallel algorithms for special linear systems such as banded ,Vandermonde ,Toeplitz ,and block Toeplitz systems. Part III addresses sparse matrix computations: (a) the development of parallel iterative linear system solvers with emphasis on scalable preconditioners, (b) parallel schemes for obtaining a few of the extreme eigenpairs or those contained in a given interval in the spectrum of a standard or generalized symmetric eigenvalue problem, and (c) parallel methods for computing a few of the extreme singular triplets. Part IV focuses on the development of parallel algorithms for matrix functions and special characteristics such as the matrix pseudospectrum and the determinant. The book also reviews the theoretical and practical background necessary when designing these algorithms and includes an extensive bibliography that will be useful to researchers and students alike. The book brings together many existing algorithms for the fundamental matrix computations that have a proven track record of efficient implementation in terms of data locality and data transfer on state-of-the-art systems, as well as several algorithms that are presented for the first time, focusing on the opportunities for parallelism and algorithm robustness.
Recipient of a 2017 Book of the Year Award presented by the Louisiana Endowment for the Humanities Shane K. Bernard's Teche examines this legendary waterway of the American Deep South. Bernard delves into the bayou's geologic formation as a vestige of the Mississippi and Red Rivers, its prehistoric Native American occupation, and its colonial settlement by French, Spanish, and, eventually, Anglo-American pioneers. He surveys the coming of indigo, cotton, and sugar; steam-powered sugar mills and riverboats; and the brutal institution of slavery. He also examines the impact of the Civil War on the Teche, depicting the running battles up and down the bayou and the sporadic gunboat duels, when ironclads clashed in the narrow confines of the dark, sluggish river. Describing the misery of the postbellum era, Bernard reveals how epic floods, yellow fever, racial violence, and widespread poverty disrupted the lives of those who resided under the sprawling, moss-draped live oaks lining the Teche's banks. Further, he chronicles the slow decline of the bayou, as the coming of the railroad, automobiles, and highways reduced its value as a means of travel. Finally, he considers modern efforts to redesign the Teche using dams, locks, levees, and other water-control measures. He examines the recent push to clean and revitalize the bayou after years of desecration by litter, pollutants, and invasive species. Illustrated with historic images and numerous maps, this book will be required reading for anyone seeking the colorful history of Louisiana and the Gulf Coast. As a bonus, the second part of the book describes Bernard's own canoe journey down the Teche's 125-mile course. This modern personal account from the field reveals the current state of the bayou and the remarkable people who still live along its banks.
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