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Author: David L. Dudley
Publisher: Houghton Mifflin Harcourt
ISBN: 0547910681
Category : Juvenile Fiction
Languages : en
Pages : 341
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Book Description
Cy Williams, thirteen, has always known that he and the other black folks on Strong's plantation have to obey white men, no question. Sure, he's free, as black people have been since his grandfather's day, but in rural Georgia, that means they're free to be whipped, abused, even killed. Almost four years later, Cy yearns for that freedom, such as it was. Now he's a chain gang laborer, forced to do backbreaking work, penned in and shackled like an animal, brutalized, beaten, and humiliated bythe boss of the camp and his hired overseers. For Cy and the boys he's chained to, there's no way out, no way back. And then hope begins to grow in him, along with strength and courage he didn't know he had. Cy is sure that a chance at freedom is worth any risk, any sacrifice. This powerful, moving story opens a window on a painful chapter in the history of race relations.
Author: David L. Dudley
Publisher: Houghton Mifflin Harcourt
ISBN: 0547910681
Category : Juvenile Fiction
Languages : en
Pages : 341
Get Book
Book Description
Cy Williams, thirteen, has always known that he and the other black folks on Strong's plantation have to obey white men, no question. Sure, he's free, as black people have been since his grandfather's day, but in rural Georgia, that means they're free to be whipped, abused, even killed. Almost four years later, Cy yearns for that freedom, such as it was. Now he's a chain gang laborer, forced to do backbreaking work, penned in and shackled like an animal, brutalized, beaten, and humiliated bythe boss of the camp and his hired overseers. For Cy and the boys he's chained to, there's no way out, no way back. And then hope begins to grow in him, along with strength and courage he didn't know he had. Cy is sure that a chance at freedom is worth any risk, any sacrifice. This powerful, moving story opens a window on a painful chapter in the history of race relations.
Author: Bernd Siegfried Walter Schröder
Publisher: Springer Science & Business Media
ISBN: 9780817641283
Category : Mathematics
Languages : en
Pages : 420
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Book Description
This work is an introduction to the basic tools of the theory of (partially) ordered sets such as visualization via diagrams, subsets, homomorphisms, important order-theoretical constructions, and classes of ordered sets. Using a thematic approach, the author presents open or recently solved problems to motivate the development of constructions and investigations for new classes of ordered sets. A wide range of material is presented, from classical results such as Dilworth's, Szpilrajn's and Hashimoto's Theorems to more recent results such as the Li--Milner Structure Theorem. Major topics covered include: chains and antichains, lowest upper and greatest lower bounds, retractions, lattices, the dimension of ordered sets, interval orders, lexicographic sums, products, enumeration, algorithmic approaches and the role of algebraic topology. Since there are few prerequisites, the text can be used as a focused follow-up or companion to a first proof (set theory and relations) or graph theory class. After working through a comparatively lean core, the reader can choose from a diverse range of topics such as structure theory, enumeration or algorithmic aspects. Also presented are some key topics less customary to discrete mathematics/graph theory, including a concise introduction to homology for graphs, and the presentation of forward checking as a more efficient alternative to the standard backtracking algorithm. The coverage throughout provides a solid foundation upon which research can be started by a mathematically mature reader. Rich in exercises, illustrations, and open problems, Ordered Sets: An Introduction is an excellent text for undergraduate and graduate students and a good resource for the interested researcher. Readers will discover order theory's role in discrete mathematics as a supplier of ideas as well as an attractive source of applications.
Author: New Zealand. Parliament. House of Representatives
Publisher:
ISBN:
Category : New Zealand
Languages : en
Pages : 970
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Book Description
Author: Leo Esakia
Publisher: Springer
ISBN: 3030120961
Category : Philosophy
Languages : en
Pages : 95
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Book Description
This book presents an English translation of a classic Russian text on duality theory for Heyting algebras. Written by Georgian mathematician Leo Esakia, the text proved popular among Russian-speaking logicians. This translation helps make the ideas accessible to a wider audience and pays tribute to an influential mind in mathematical logic. The book discusses the theory of Heyting algebras and closure algebras, as well as the corresponding intuitionistic and modal logics. The author introduces the key notion of a hybrid that “crossbreeds” topology (Stone spaces) and order (Kripke frames), resulting in the structures now known as Esakia spaces. The main theorems include a duality between the categories of closure algebras and of hybrids, and a duality between the categories of Heyting algebras and of so-called strict hybrids. Esakia’s book was originally published in 1985. It was the first of a planned two-volume monograph on Heyting algebras. But after the collapse of the Soviet Union, the publishing house closed and the project died with it. Fortunately, this important work now lives on in this accessible translation. The Appendix of the book discusses the planned contents of the lost second volume.
Author:
Publisher:
ISBN:
Category : Automobile industry and trade
Languages : en
Pages : 730
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Book Description
Author: Matthias Rehan
Publisher: Springer
ISBN: 3540497374
Category : Technology & Engineering
Languages : en
Pages : 490
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Book Description
Over the past 40 years, RIS models for hundreds of polymer structures have been developed, and now the RIS approach is available in several software packages. However, users are often faced with the time-consuming task of finding the appropriate RIS parameters among the literature. This book facilitates this task by providing a comprehensive overview of the models available. It reviews the literature from the very first applications to the end of 1994, comprises synthetic as well as naturally occuring macromolecules, and tabulates all the pertinent features of published models. It will thus help readers, even those new to this method, to take advantage of this computationally efficient way of assessing the conformational properties of macromolecular systems.
Author: Pennsylvania. General Assembly. House of Representatives
Publisher:
ISBN:
Category : Pennsylvania
Languages : en
Pages : 792
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 620
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Book Description
Author: Giuseppe Persiano
Publisher: Springer
ISBN: 354031833X
Category : Computers
Languages : en
Pages : 295
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Book Description
The 2nd Workshop on Approximation and Online Algorithms (WAOA 2004) focused on the design and analysis of algorithms for online and computationally hard problems. Both kinds of problems have a large number of applications arising from a variety of ?elds. WAOA 2004 took place in Bergen, Norway, from September 14 to September 16, 2004. The workshop was part of the ALGO 2004 event which also hosted ESA, WABI, IWPEC, and ATMOS. TopicsofinterestsforWAOA2004were:applicationstogametheory,appr- imation classes, coloring and partitioning, competitive analysis, computational ?nance, cuts and connectivity, geometric problems, inapproximability results, mechanism design, network design, routing, packing and covering, paradigms, randomization techniques, and scheduling problems. In response to our call we received 47 submissions. Each submission was reviewed by at least 3 referees, who judged the paper on originality, quality, and consistency with the topics of the conference. Based on the reviews, the Program Committee selected 21 papers. This volume contains the 21 selected papers and the two invited talks given by Yossi Azar and Klaus Jansen. We thank all the authors who submitted papers to the workshop and we also kindly thank the local organizers of ALGO 2004.
Author: H. Van Cauwenberge
Publisher: Elsevier
ISBN: 1483145964
Category : Medical
Languages : en
Pages : 250
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Book Description
International Series of Monographs in Pure and Applied Biology, Modern Trends in Physiological Sciences, Volume 33: Assay of Protein and Polypeptide Hormones focuses on the assays of protein and polypeptide hormones. The selection first discusses the general principles of protein and polypeptide hormone assays, including conditions and basic factors for bioassays and status of biological assays. The book looks at the assays of hypophyseal hormones, such as growth hormones, adrenocorticotropin (ACTH), thyrotropin, gonadotropins, prolactin, vasopressin, and oxytocin. Concerns include radioimmunoassay, standards of thyrotropin, immunoassay of hypophyseal gonadotropins, and bioassay of prolactin. The book evaluates the assays of pancreatic hormones, such as insulin and glucagon. Chemical structure and properties of insulin and radioimmunoassay of glucagon are explained. The text also focuses on the assays of erythropoietin, renin, human chorionic gonadotropin, and human placental lactogen (HPL). Concerns include augmentation of red cell volume; biological application of renin assays; and similarities and differences between hypophyseal somatotropin and HPL. The selection is a valuable source of data for readers interested in the assays of protein and polypeptide hormones.
