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Involution
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Book Synopsis The Book of Involutions by : Max-Albert Knus
Download or read book The Book of Involutions written by Max-Albert Knus and published by American Mathematical Soc.. This book was released on 1998-06-30 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph is an exposition of the theory of central simple algebras with involution, in relation to linear algebraic groups. It provides the algebra-theoretic foundations for much of the recent work on linear algebraic groups over arbitrary fields. Involutions are viewed as twisted forms of (hermitian) quadrics, leading to new developments on the model of the algebraic theory of quadratic forms. In addition to classical groups, phenomena related to triality are also discussed, as well as groups of type $F_4$ or $G_2$ arising from exceptional Jordan or composition algebras. Several results and notions appear here for the first time, notably the discriminant algebra of an algebra with unitary involution and the algebra-theoretic counterpart to linear groups of type $D_4$. This volume also contains a Bibliography and Index. Features: original material not in print elsewhere a comprehensive discussion of algebra-theoretic and group-theoretic aspects extensive notes that give historical perspective and a survey on the literature rational methods that allow possible generalization to more general base rings
Download or read book Involution written by Werner M. Seiler and published by Springer Science & Business Media. This book was released on 2009-10-26 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides a self-contained account of the formal theory of general, i.e. also under- and overdetermined, systems of differential equations which in its central notion of involution combines geometric, algebraic, homological and combinatorial ideas.
Book Synopsis Involution Ocean by : Bruce Sterling
Download or read book Involution Ocean written by Bruce Sterling and published by Orbit Books. This book was released on 1988-09-15 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Involution-An Odyssey Reconciling Science to God by : P. A. Rees
Download or read book Involution-An Odyssey Reconciling Science to God written by P. A. Rees and published by . This book was released on 2013-07-04 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Involution- An Odyssey Reconciling Science to God. This book has been called '...a brilliant and profoundly erudite epic...a heroic intellectual tour de force...' (by David Lorimer, the Director of the Scientific and Medical Network) and both 'brave...and totally insightful (by Ervin Laszlo) but the book defies description; it breaks all the rules and is unlike any other. It is so comprehensive in its sweep, original in its writing, and its synthesis, that to isolate any aspect is to misrepresent all the others. Two companions, Reason and Soul, invite the reader to accompany them on a light-hearted poetic journey through the chronology of Western thought to uncover a bold hypothesis: that the evolution of science has been shaped by its gradual and accelerating recovery of memory (involution). That recovery has been led by the inspired maverick genius, moving backwards through time (usually called the past), but which has provided science's future at every moment of new creative thought. Scientific inspiration and its chronology mirrors evolution. This incremental excavation and transfer of memory to intellect implies the pre-human encoding (involution) of consciousness in the structure of matter, and the interconnected consciousness of all life. DNA is the likely encoding and mediating molecule, or resonant coherence of this information, through both time and space. The sweep of history is needed to expose this proposal and its evidence: It requires all the disciplines of science, all the epochs of thought: which only a poetic economy 'woven together with extraordinary subtlety' (Lorimer) could convey. Yet, paradoxically, through involution the collective journey has been lit by individuals, unique in their subjective contributions to the discipline that claims only 'objective' validated truth. The same pattern is mirrored in the congruent history of painting and musical composition. Genius differs only in the languages of expression. This book loosely weaves them all, using familiar material to arrive at an art, a science and divinity behind science. In nine swift Cantos the work travels through pre-human involution, the enfolding of consciousness in matter, and then early man's emergence on the Serengeti. Through the recorded civilizations of Greece, Rome, the Dark Ages, the Renaissance, into the Enlightenment and finally Modernism the success of science progressively obscures the internal story, the story of direct intuition, nous, experience, and the complement to Darwin that this collective involution provides. But there is more to it than merely science; for science is a language through which to follow a deeper journey, Mankind's collective journey inwards, to the nature of himself: which is why the scientific signposts are confined to end-notes to leave the poetic journey unencumbered. They take no scientific knowledge for granted: they are not essential to the poetic narrative but instead caulk the ship from which we view an alternative journey. By adding involution to evolution, mind and matter become two sides of a single coin, only perceived as distinct through the intellect's division from its deeper self, from consciousness, experience, and understanding. The co-creation of God and the universe is what this book restores and is about. It has been called a 'heroic tour de force, a brilliant and erudite epic...' but also 'clearly written and easy to read' It slaughters a few sacred cows, 'brave and a lot of fun.
Book Synopsis Differentiable Involutions by : Pierre E. Conner
Download or read book Differentiable Involutions written by Pierre E. Conner and published by . This book was released on 1960 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Agricultural Involution by : Clifford Geertz
Download or read book Agricultural Involution written by Clifford Geertz and published by Univ of California Press. This book was released on 2023-11-10 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural Involution: The Processes of Ecological Change in Indonesia is one of the most famous of the early works of Clifford Geertz. It principal thesis is that many centuries of intensifying wet-rice cultivation in Indonesia had produced greater social complexity without significant technological or political change, a process Geertz terms "involution". Written for a US-funded project on the local developments and following the modernization theory of Walt Whitman Rostow, Geertz examines in this book the agricultural system in Indonesia and its two dominant forms of agriculture, swidden and sawah. In addition to researching its agricultural systems, the book turns to an examination of their historical development. Of particular note is Geertz's discussion of what he famously describes as the process of "agricultural involution" in Java, where both the external economic demands of the Dutch rulers and the internal pressures due to population growth led to intensification rather than change.
Book Synopsis Differential Equations with Involutions by : Alberto Cabada
Download or read book Differential Equations with Involutions written by Alberto Cabada and published by Springer. This book was released on 2016-01-06 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph covers the existing results regarding Green’s functions for differential equations with involutions (DEI).The first part of the book is devoted to the study of the most useful aspects of involutions from an analytical point of view and the associated algebras of differential operators. The work combines the state of the art regarding the existence and uniqueness results for DEI and new theorems describing how to obtain Green’s functions, proving that the theory can be extended to operators (not necessarily involutions) of a similar nature, such as the Hilbert transform or projections, due to their analogous algebraic properties. Obtaining a Green’s function for these operators leads to new results on the qualitative properties of the solutions, in particular maximum and antimaximum principles.
Book Synopsis Combinatorics and topology related to involutions in Coxeter groups by : Mikael Hansson
Download or read book Combinatorics and topology related to involutions in Coxeter groups written by Mikael Hansson and published by Linköping University Electronic Press. This book was released on 2018-05-21 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation consists of three papers in combinatorial Coxeter group theory. A Coxeter group is a group W generated by a set S, where all relations can be derived from the relations s2 = e for all s ?? S, and (ss?)m(s,s?) = e for some pairs of generators s ? s? in S, where e ?? W is the identity element and m(s, s?) is an integer satisfying that m(s, s?) = m(s?, s) ? 2. Two prominent examples of Coxeter groups are provided by the symmetric group Sn (i.e., the set of permutations of {1, 2, . . . , n}) and finite reflection groups (i.e., finite groups generated by reflections in some real euclidean space). There are also important infinite Coxeter groups, e.g., affine reflection groups. Every Coxeter group can be equipped with various natural partial orders, the most important of which is the Bruhat order. Any subset of a Coxeter group can then be viewed as an induced subposet. In Paper A, we study certain posets of this kind, namely, unions of conjugacy classes of involutions in the symmetric group. We obtain a complete classification of the posets that are pure (i.e., all maximal chains have the same length). In particular, we prove that the set of involutions with exactly one fixed point is pure, which settles a conjecture of Hultman in the affirmative. When the posets are pure, we give their rank functions. We also give a short, new proof of the EL-shellability of the set of fixed-point-free involutions, established by Can, Cherniavsky, and Twelbeck. Paper B also deals with involutions in Coxeter groups. Given an involutive automorphism ? of a Coxeter system (W, S), let ?(?) = {w ?? W | ?(w) = w?1} be the set of twisted involutions. In particular, ?(id) is the set of ordinary involutions in W. It is known that twisted involutions can be represented by words in the alphabet = { | s ?? S}, called -expressions. If ss? has finite order m(s, s?), let a braid move be the replacement of ? ? by ? ? ?, both consisting of m(s, s?) letters. We prove a word property for ?(?), for any Coxeter system (W, S) with any ?. More precisely, we provide a minimal set of moves, easily determined from the Coxeter graph of (W, S), that can be added to the braid moves in order to connect all reduced -expressions for any given w ?? ?(?). This improves upon a result of Hamaker, Marberg, and Pawlowski, and generalises similar statements valid in certain types due to Hu, Zhang, Wu, and Marberg. In Paper C, we investigate the topology of (the order complexes of) certain posets, called pircons. A special partial matching (SPM) on a poset is a matching of the Hasse diagram satisfying certain extra conditions. An SPM without fixed points is precisely a special matching as defined by Brenti. Let a pircon be a poset in which every non-trivial principal order ideal is finite and admits an SPM. Thus pircons generalise Marietti’s zircons. Our main result is that every open interval in a pircon is a PL ball or a PL sphere. An important subset of ?(?) is the set ??(?) = {?(w?1)w | w ?? W} of twisted identities. We prove that if ? does not flip any edges with odd labels in the Coxeter graph, then ??(?), with the order induced by the Bruhat order on W, is a pircon. Hence, its open intervals are PL balls or spheres, which confirms a conjecture of Hultman. It is also demonstrated that Bruhat orders on Rains and Vazirani’s quasiparabolic W-sets (under a boundedness assumption) form pircons. In particular, this applies to all parabolic quotients of Coxeter groups.
Author :Santiago Lopez de Medrano Publisher :Springer Science & Business Media ISBN 13 :3642650120 Total Pages :114 pages Book Rating :4.6/5 (426 download)
Book Synopsis Involutions on Manifolds by : Santiago Lopez de Medrano
Download or read book Involutions on Manifolds written by Santiago Lopez de Medrano and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the results of work done during the years 1967-1970 on fixed-point-free involutions on manifolds, and is an enlarged version of the author's doctoral dissertation [54J written under the direction of Professor William Browder. The subject of fixed-paint-free involutions, as part of the subject of group actions on manifolds, has been an important source of problems, examples and ideas in topology for the last four decades, and receives renewed attention every time a new technical development suggests new questions and methods ([62, 8, 24, 63J). Here we consider mainly those properties of fixed-point-free involutions that can be best studied using the techniques of surgery on manifolds. This approach to the subject was initiated by Browder and Livesay. Special attention is given here to involutions of homotopy spheres, but even for this particular case, a more general theory is very useful. Two important related topics that we do not touch here are those of involutions with fixed points, and the relationship between fixed-point-free involutions and free Sl-actions. For these topics, the reader is referred to [23J, and to [33J, [61J, [82J, respectively. The two main problems we attack are those of classification of involutions, and the existence and uniqueness of invariant submanifolds with certain properties. As will be seen, these problems are closely related. If (T, l'n) is a fixed-point-free involution of a homotopy sphere l'n, the quotient l'n/Tis called a homotopy projective space.
Book Synopsis Isolated Involutions in Finite Groups by : Rebecca Waldecker
Download or read book Isolated Involutions in Finite Groups written by Rebecca Waldecker and published by American Mathematical Soc.. This book was released on 2013-10-23 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text provides a new proof of Glauberman's Z*-Theorem under the additional hypothesis that the simple groups involved in the centraliser of an isolated involution are known simple groups.
Book Synopsis Quaternion Algebras by : John Voight
Download or read book Quaternion Algebras written by John Voight and published by Springer Nature. This book was released on 2021-06-28 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access textbook presents a comprehensive treatment of the arithmetic theory of quaternion algebras and orders, a subject with applications in diverse areas of mathematics. Written to be accessible and approachable to the graduate student reader, this text collects and synthesizes results from across the literature. Numerous pathways offer explorations in many different directions, while the unified treatment makes this book an essential reference for students and researchers alike. Divided into five parts, the book begins with a basic introduction to the noncommutative algebra underlying the theory of quaternion algebras over fields, including the relationship to quadratic forms. An in-depth exploration of the arithmetic of quaternion algebras and orders follows. The third part considers analytic aspects, starting with zeta functions and then passing to an idelic approach, offering a pathway from local to global that includes strong approximation. Applications of unit groups of quaternion orders to hyperbolic geometry and low-dimensional topology follow, relating geometric and topological properties to arithmetic invariants. Arithmetic geometry completes the volume, including quaternionic aspects of modular forms, supersingular elliptic curves, and the moduli of QM abelian surfaces. Quaternion Algebras encompasses a vast wealth of knowledge at the intersection of many fields. Graduate students interested in algebra, geometry, and number theory will appreciate the many avenues and connections to be explored. Instructors will find numerous options for constructing introductory and advanced courses, while researchers will value the all-embracing treatment. Readers are assumed to have some familiarity with algebraic number theory and commutative algebra, as well as the fundamentals of linear algebra, topology, and complex analysis. More advanced topics call upon additional background, as noted, though essential concepts and motivation are recapped throughout.
Book Synopsis Fixed Point Free Involutions and Equivariant Maps by : Pierre E. Conner
Download or read book Fixed Point Free Involutions and Equivariant Maps written by Pierre E. Conner and published by . This book was released on 1960 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Classification of Monoidal Involutions Having a Fixed Tangent Cone by : Marian Marsh Torrey
Download or read book Classification of Monoidal Involutions Having a Fixed Tangent Cone written by Marian Marsh Torrey and published by . This book was released on 1924 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Involution & Evolution by : Joss Sheldon
Download or read book Involution & Evolution written by Joss Sheldon and published by Rebel Books. This book was released on 2014-08-28 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: It’s not easy to make a stand for peace, when you live in a world which is besotted with war... This is the story of Alfred Freeman, a boy who does everything he can; to serve humankind. He feeds five-thousand youths, salves-saves-and-soothes; and champions the maligned. He helps paralytics to feel fine, turns water into wine; and gives sight to the blind. When World War One draws near, his nation is plunged into fear; and so Alfred makes a stand. He opposes the war and calls for peace, disobeys the police; and speaks out across the land. He makes speeches, and he preaches; using statements which sound grand. But the authorities hit back, and launch a potent-attack; which is full of disgust-derision-and-disdain. Alfred is threatened with execution, and suffers from persecution; which leaves him writhing in pain. He struggles to survive, remain alive; keep cool and stay sane. 'Involution & Evolution' is a masterpiece of rhyme, with a message which echoes through time; and will get inside your head. With colourful-characters and poetic-flair, it is a scathing critique of modern-warfare; and all its gory-bloodshed. It's a novel which breaks new ground, is sure to astound; and really must be read! Probably the best epic-poem of the modern era, Involution & Evolution is fast-paced masterpiece that will touch your soul…
Book Synopsis Rings with Involution by : I. N. Herstein
Download or read book Rings with Involution written by I. N. Herstein and published by . This book was released on 1976 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inverse Semigroups by : Mark V. Lawson
Download or read book Inverse Semigroups written by Mark V. Lawson and published by World Scientific. This book was released on 1998 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: "this volume represents an outstanding contribution to the field. The resolute graduate student or mature researcher, alike, can find a wealth of directions for future work".Mathematical Reviews
Book Synopsis An Introductory Account of Certain Modern Ideas and Methods in Plane Analytical Geometry by : Charlotte Angas Scott
Download or read book An Introductory Account of Certain Modern Ideas and Methods in Plane Analytical Geometry written by Charlotte Angas Scott and published by . This book was released on 1924 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
