X Y And Z
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| Author | : Dermot Turing |
| Publisher | : The History Press |
| Total Pages | : 369 |
| Release | : 2018-09-03 |
| Genre | : Biography & Autobiography |
| ISBN | : 075098967X |
December, 1932 In the bathroom of a Belgian hotel, a French spymaster photographs top-secret documents – the operating instructions of the cipher machine, Enigma. A few weeks later a mathematician in Warsaw begins to decipher the coded communications of the Third Reich and lays the foundations for the code-breaking operation at Bletchley Park. The co-operation between France, Britain and Poland is given the cover-name 'X, Y & Z'. December, 1942 It is the middle of World War Two. The Polish code-breakers have risked their lives to continue their work inside Vichy France, even as an uncertain future faces their homeland. Now they are on the run from the Gestapo. People who know the Enigma secret are not supposed to be in the combat zone, so MI6 devises a plan to exfiltrate them. If it goes wrong, if they are caught, the consequences could be catastrophic for the Allies. Based on original research and newly released documents, X, Y & Z is the exhilarating story of those who risked their lives to protect the greatest secret of World War Two.
| Author | : Jane Belk Moncure |
| Publisher | : |
| Total Pages | : 32 |
| Release | : 2001 |
| Genre | : Alphabet |
| ISBN | : 9780717265237 |
A little boy fills his sound box with words beginning with the letters "x, y, z."
| Author | : Ida Rose |
| Publisher | : Ida Rose |
| Total Pages | : 120 |
| Release | : 2021-04-02 |
| Genre | : |
| ISBN | : 9780578888514 |
Ziara Stanton and her friends have been waiting a long time for this package, but when it finally arrives, they discover it was more trouble than they had bargained for. After trying out a brand new way to play their favorite game, they find that they have landed in an entirely different world with talking mobs, unhappy pillagers, and an unnerving amount of charged creepers. X, Y and Z love to play the game, but can they handle being in it?
| Author | : Satinder Bal Gupta |
| Publisher | : Laxmi Publications |
| Total Pages | : 652 |
| Release | : 2010-05 |
| Genre | : Algebra |
| ISBN | : 9789380386355 |
This book has been written according to the latest syllabi for B. Tech. & M.C.A. courses of Punjab Technical University and other technical universities of India. The previous years' university questions papers have been solved systematically and logically in each chapter. It is intended to help students better understand the concepts and ideas of discrete structures.
| Author | : Tom Richardson |
| Publisher | : Cambridge University Press |
| Total Pages | : 589 |
| Release | : 2008-03-17 |
| Genre | : Technology & Engineering |
| ISBN | : 1139469649 |
Having trouble deciding which coding scheme to employ, how to design a new scheme, or how to improve an existing system? This summary of the state-of-the-art in iterative coding makes this decision more straightforward. With emphasis on the underlying theory, techniques to analyse and design practical iterative coding systems are presented. Using Gallager's original ensemble of LDPC codes, the basic concepts are extended for several general codes, including the practically important class of turbo codes. The simplicity of the binary erasure channel is exploited to develop analytical techniques and intuition, which are then applied to general channel models. A chapter on factor graphs helps to unify the important topics of information theory, coding and communication theory. Covering the most recent advances, this text is ideal for graduate students in electrical engineering and computer science, and practitioners. Additional resources, including instructor's solutions and figures, available online: www.cambridge.org/9780521852296.
| Author | : J. Eldon Whitesitt |
| Publisher | : Courier Corporation |
| Total Pages | : 194 |
| Release | : 2012-05-24 |
| Genre | : Mathematics |
| ISBN | : 0486158160 |
Introductory treatment begins with set theory and fundamentals of Boolean algebra, proceeding to concise accounts of applications to symbolic logic, switching circuits, relay circuits, binary arithmetic, and probability theory. 1961 edition.
| Author | : Paul Zeitz |
| Publisher | : John Wiley & Sons |
| Total Pages | : 389 |
| Release | : 2017 |
| Genre | : Problem solving |
| ISBN | : 1119239907 |
This text on mathematical problem solving provides a comprehensive outline of "problemsolving-ology," concentrating on strategy and tactics. It discusses a number of standard mathematical subjects such as combinatorics and calculus from a problem solver's perspective.
| Author | : Zoltan Daroczy |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 376 |
| Release | : 2002-02-28 |
| Genre | : Mathematics |
| ISBN | : 9781402004858 |
The theory of functional equations has been developed in a rapid and productive way in the second half of the Twentieth Century. This is due to the fact that the mathematical applications increased the number of investigations of newer and newer types of functional equations. At the same time, the self-development of this theory was also very fruitful. The material of this volume reflects very well the complexity and applicability of the most active research fields. The results and methods contained give a representative crossection of what is recently happening in the theory of functional equations.
| Author | : |
| Publisher | : Elsevier |
| Total Pages | : 925 |
| Release | : 1994-02-18 |
| Genre | : Mathematics |
| ISBN | : 0080872913 |
This third volume can be roughly divided into two parts. The first part is devoted to the investigation of various properties of projective characters. Special attention is drawn to spin representations and their character tables and to various correspondences for projective characters. Among other topics, projective Schur index and projective representations of abelian groups are covered. The last topic is investigated by introducing a symplectic geometry on finite abelian groups.The second part is devoted to Clifford theory for graded algebras and its application to the corresponding theory for group algebras. The volume ends with a detailed investigation of the Schur index for ordinary representations. A prominant role is played in the discussion by Brauer groups together with cyclotomic algebras and cyclic algebras.
| Author | : Orson Scott Card |
| Publisher | : Tor Books |
| Total Pages | : 409 |
| Release | : 2009-11-30 |
| Genre | : Fiction |
| ISBN | : 1429963964 |
The war for survival of the planet Lusitania will be fought in the heart of a child named Gloriously Bright. On Lusitania, Ender found a world where humans and pequininos and the Hive Queen could all live together; where three very different intelligent species could find common ground at last. Or so he thought. Lusitania also harbors the descolada, a virus that kills all humans it infects, but which the pequininos require in order to become adults. The Starways Congress so fears the effects of the descolada, should it escape from Lusitania, that they have ordered the destruction of the entire planet, and all who live there. The Fleet is on its way, a second xenocide seems inevitable. Xenocide is the third novel in Orson Scott Card's The Ender Saga. THE ENDER UNIVERSE Ender series Ender’s Game / Ender in Exile / Speaker for the Dead / Xenocide / Children of the Mind Ender’s Shadow series Ender’s Shadow / Shadow of the Hegemon / Shadow Puppets / Shadow of the Giant / Shadows in Flight Children of the Fleet The First Formic War (with Aaron Johnston) Earth Unaware / Earth Afire / Earth Awakens The Second Formic War (with Aaron Johnston) The Swarm /The Hive Ender novellas A War of Gifts /First Meetings At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.
