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Turning Points in the History of Mathematics
by Hardy Grant Israel KleinerThis book explores some of the major turning points in the history of mathematics, ranging from ancient Greece to the present, demonstrating the drama that has often been a part of its evolution. Studying these breakthroughs, transitions, and revolutions, their stumbling-blocks and their triumphs, can help illuminate the importance of the history of mathematics for its teaching, learning, and appreciation. Some of the turning points considered are the rise of the axiomatic method (most famously in Euclid), and the subsequent major changes in it (for example, by David Hilbert); the "wedding," via analytic geometry, of algebra and geometry; the "taming" of the infinitely small and the infinitely lar≥ the passages from algebra to algebras, from geometry to geometries, and from arithmetic to arithmetics; and the revolutions in the late nineteenth and early twentieth centuries that resulted from Georg Cantor's creation of transfinite set theory. The origin of each turning point is discussed, along with the mathematicians involved and some of the mathematics that resulted. Problems and projects are included in each chapter to extend and increase understanding of the material. Substantial reference lists are also provided. Turning Points in the History of Mathematics will be a valuable resource for teachers of, and students in, courses in mathematics or its history. The book should also be of interest to anyone with a background in mathematics who wishes to learn more about the important moments in its development.
Turnpike Conditions in Infinite Dimensional Optimal Control (Springer Optimization and Its Applications #148)
by Alexander J. ZaslavskiThis book provides a comprehensive study of turnpike phenomenon arising in optimal control theory. The focus is on individual (non-generic) turnpike results which are both mathematically significant and have numerous applications in engineering and economic theory. All results obtained in the book are new. New approaches, techniques, and methods are rigorously presented and utilize research from finite-dimensional variational problems and discrete-time optimal control problems to find the necessary conditions for the turnpike phenomenon in infinite dimensional spaces. The semigroup approach is employed in the discussion as well as PDE descriptions of continuous-time dynamics. The main results on sufficient and necessary conditions for the turnpike property are completely proved and the numerous illustrative examples support the material for the broad spectrum of experts. Mathematicians interested in the calculus of variations, optimal control and in applied functional analysis will find this book a useful guide to the turnpike phenomenon in infinite dimensional spaces. Experts in economic and engineering modeling as well as graduate students will also benefit from the developed techniques and obtained results.
Turnpike Phenomenon and Infinite Horizon Optimal Control
by Alexander J. ZaslavskiThis book is devoted to the study of the turnpike phenomenon and describes the existence of solutions for a large variety of infinite horizon optimal control classes of problems. Chapter 1 provides introductory material on turnpike properties. Chapter 2 studies the turnpike phenomenon for discrete-time optimal control problems. The turnpike properties of autonomous problems with extended-value integrands are studied in Chapter 3. Chapter 4 focuses on large classes of infinite horizon optimal control problems without convexity (concavity) assumptions. In Chapter 5, the turnpike results for a class of dynamic discrete-time two-player zero-sum game are proven. This thorough exposition will be very useful for mathematicians working in the fields of optimal control, the calculus of variations, applied functional analysis and infinite horizon optimization. It may also be used as a primary text in a graduate course in optimal control or as supplementary text for a variety of courses in other disciplines. Researchers in other fields such as economics and game theory, where turnpike properties are well known, will also find this Work valuable.
Turnpike Phenomenon in Metric Spaces (Springer Optimization and Its Applications #201)
by Alexander J. ZaslavskiThis book is devoted to the study of the turnpike phenomenon arising in optimal control theory. Special focus is placed on Turnpike results, in sufficient and necessary conditions for the turnpike phenomenon and in its stability under small perturbations of objective functions. The most important feature of this book is that it develops a large, general class of optimal control problems in metric space. Additional value is in the provision of solutions to a number of difficult and interesting problems in optimal control theory in metric spaces. Mathematicians working in optimal control, optimization, and experts in applications of optimal control to economics and engineering, will find this book particularly useful.All main results obtained in the book are new. The monograph contains nine chapters. Chapter 1 is an introduction. Chapter 2 discusses Banach space valued functions, set-valued mappings in infinite dimensional spaces, and related continuous-time dynamical systems. Some convergence results are obtained. In Chapter 3, a discrete-time dynamical system with a Lyapunov function in a metric space induced by a set-valued mapping, is studied. Chapter 4 is devoted to the study of a class of continuous-time dynamical systems, an analog of the class of discrete-time dynamical systems considered in Chapter 3. Chapter 5 develops a turnpike theory for a class of general dynamical systems in a metric space with a Lyapunov function. Chapter 6 contains a study of the turnpike phenomenon for discrete-time nonautonomous problems on subintervals of half-axis in metric spaces, which are not necessarily compact. Chapter 7 contains preliminaries which are needed in order to study turnpike properties of infinite-dimensional optimal control problems. In Chapter 8, sufficient and necessary conditions for the turnpike phenomenon for continuous-time optimal control problems on subintervals of the half-axis in metric spaces, is established. In Chapter 9, the examination continues of the turnpike phenomenon for the continuous-time optimal control problems on subintervals of half-axis in metric spaces discussed in Chapter 8.
Turnpike Theory for the Robinson–Solow–Srinivasan Model (Springer Optimization and Its Applications #166)
by Alexander J. ZaslavskiThis book is devoted to the study of a class of optimal control problems arising in mathematical economics, related to the Robinson–Solow–Srinivasan (RSS) model. It will be useful for researches interested in the turnpike theory, infinite horizon optimal control and their applications, and mathematical economists. The RSS is a well-known model of economic dynamics that was introduced in the 1960s and as many other models of economic dynamics, the RSS model is determined by an objective function (a utility function) and a set-valued mapping (a technology map). The set-valued map generates a dynamical system whose trajectories are under consideration and the objective function determines an optimality criterion. The goal is to find optimal trajectories of the dynamical system, using the optimality criterion. Chapter 1 discusses turnpike properties for some classes of discrete time optimal control problems. Chapter 2 present the description of the RSS model and discuss its basic properties. Infinite horizon optimal control problems, related to the RSS model are studied in Chapter 3. Turnpike properties for the RSS model are analyzed in Chapter 4. Chapter 5 studies infinite horizon optimal control problems related to the RSS model with a nonconcave utility function. Chapter 6 focuses on infinite horizon optimal control problems with nonautonomous optimality criterions. Chapter 7 contains turnpike results for a class of discrete-time optimal control problems. Chapter 8 discusses the RSS model and compares different optimality criterions. Chapter 9 is devoted to the study of the turnpike properties for the RSS model. In Chapter 10 the one-dimensional autonomous RSS model is considered and the continuous time RSS model is studied in Chapter 11.
Turnpike Theory of Continuous-Time Linear Optimal Control Problems
by Alexander J. ZaslavskiIndividual turnpike results are of great interest due to their numerous applications in engineering and in economic theory; in this book the study is focused on new results of turnpike phenomenon in linear optimal control problems. The book is intended for engineers as well as for mathematicians interested in the calculus of variations, optimal control and in applied functional analysis. Two large classes of problems are studied in more depth. The first class studied in Chapter 2 consists of linear control problems with periodic nonsmooth convex integrands. Chapters 3-5 consist of linear control problems with autonomous convex smooth integrands. Chapter 6 discusses a turnpike property for dynamic zero-sum games with linear constraints. Chapter 7 examines genericity results. In Chapter 8, the description of structure of variational problems with extended-valued integrands is obtained. Chapter 9 ends the exposition with a study of turnpike phenomenon for dynamic games with extended value integrands.
A Tutorial on the WKB Approximation for Innovative Dirac Materials: Graphene and Beyond (Springer Tracts in Modern Physics #292)
by Andrii IurovThis textbook serves to supplement existing quantum mechanics courses with the WKB (Wentzel–Kramers–Brillouin) theory for recently discovered Dirac materials, such as graphene, a dice lattice, and alpha-T3 materials. This includes finding the semiclassical wave function, coordinate-dependent momentum, semiclassical action, the complete set of transport equations, and applicability conditions for the approximation. The discovery of graphene and its unique electronic behavior has transformed research in condensed matter physics over the last 10-15 years, but core curriculum in standard graduate-level physics courses still does not reflect these new developments and this book intends to close this gap. With a clear focus on various types of Dirac Hamiltonians, the multidimensional theory is only a small part of the book. The derivation of the WKB equations for novel Dirac materials and their applications to electron tunneling, turning points and classically forbidden regions, resonances and localized states, and many other crucial physical problems are methodically presented. This textbook aims to expand the existing approach to presenting the WKB approximation and covers recent developments in its applications. This book also includes many informative graphics, as well as problems and exercises with hints at the end of each chapter. Additional detailed mathematical derivations, as well as code in Mathematica, are added throughout the whole book. Ideal for graduate students and researchers in condensed matter physics, this textbook serves as a modern guide for learning the WKB theory.
Tutorium Algebra: Mathematik von Studenten für Studenten erklärt und kommentiert
by Florian Modler Martin KrehIn einer Algebra-Vorlesung beschäftigt man sich nicht mehr mit Linearer Algebra, sondern es wird abstrakter. Um die Studierenden beim Verständnis für diesen abstrakten Stoff zu unterstützen, erscheint nun mit "Tutorium Algebra" ein weiterer Band der Tutoriums-Reihe der Autoren Modler und Kreh.In dem Buch erläutern die beiden Autoren den Stoff der Algebra. Dabei liegt das Hauptaugenmerk auf der Körpertheorie, genauer der Galoistheorie. Die Inhalte werden an verständlichen und ausführlichen vorgerechneten Beispielen erklärt. Das Konzept bleibt wieder das bewährte: Jedes Kapitel ist zwei geteilt in einen mathematischen Teil, in dem die Definitionen, Sätze und Beweise stehen, und einen erklärenden Teil, in dem die schwierigen Definitionen und Sätze auf gewohnt lockere und lustige Art und Weise mit mehr als 120 Beispielen und etwa 30 Abbildungen mit Leben gefüllt werden.So erhält der Leser einerseits einen Blick für mathematisch exakte Formulierungen und andererseits Hilfen und Anschauungen, die wichtig sind, um den Stoff zu verstehen.Das Buch ist in der 3. Auflage vollständig durchgesehen, verbessert und ergänzt worden. Insbesondere finden sich im Kapitel über Ringe und Ideale einige neue Beispiele (z.B. über den Ring der holomorphen Funktionen) und die Lokalisierung von Ringen wird behandelt. Zudem wurden weitere Kriterien zur Irreduzibilität von Polynomen ergänzt.
Tutorium Analysis 1 und Lineare Algebra 1
by Martin Kreh Florian ModlerDieses Buch soll Ihnen als Mathematik-Erstsemester den Einstieg und Umstieg von der Schulmathematik in die Hochschulmathematik erleichtern und Ihnen somit helfen, viele der üblichen Erstsemester-Fehler zu vermeiden. Das Buch ist anders als alle anderen, denn es wurde von Studenten geschrieben, die Erfahrung als Tutor, Übungsleiter und Korrektoren haben. Dadurch wissen die Autoren zum einen, welche Themen schwer verständlich sind und besonders ausführlich behandelt werden müssen und zum anderen kennen sie häufige Fehler und können auf diese hinweisen. In dem Buch gibt es einen mathematischen Teil, den der Student für Prüfungen beherrschen muss. Bei Fragen oder Problemen kann er dann in dem kommentierten Teil nachschauen und dort ausführliche Erklärungen, Hilfen und Beispiele der Autoren finden.
Tutorium Analysis 1 und Lineare Algebra 1: Mathematik von Studierenden für Studierende erklärt und kommentiert
by Martin Kreh Florian Modler Maja BoldtDieses Buch erleichtert euch im ersten Semester des Mathematikstudiums den Einstieg und Umstieg von der Schulmathematik in die Hochschulmathematik. Die Autor*innen machen euch den Einstieg ins Mathestudium so leicht wie möglich: Sie helfen euch dabei, übliche Erstsemester-Fehler zu vermeiden und die Schwierigkeiten zu überstehen, die im ersten Semester ganz normal sind. Schwer verständliche Themen behandeln die Autor*innen besonders ausführlich, auf häufige Fehler weisen sie euch hin. Die essenziellen Inhalte des ersten Semesters werden hier in 21 einzelnen Kapiteln abgedeckt, die jeweils aus zwei sehr verschiedenen Teilen bestehen: Im jeweils ersten Teil findet ihr die mathematisch exakten Definitionen, Sätze und Beweise, die euch auch in euren Vorlesungen begegnen werden. Im jeweils zweiten Teil findet ihr sehr ausführliche und möglichst anschauliche Erklärungen, Hilfen und Beispiele. Bei Fragen und Verständnisproblemen könnt ihr in diesem kommentierten Teil nachschauen. Solltet ihr also irgendeine Definition in der Vorlesung nicht auf Anhieb verstehen, schlagt sie einfach hier nach. Außerdem steht jeweils eine Probeklausur zur Analysis und zur Linearen Algebra zur Verfügung, damit ihr euer erworbenes Wissen testen könnt. Natürlich gibt es dazu auch Musterlösungen. Für die 5. Auflage wurde das Buch nochmals überarbeitet und um gut 230 Flashcards ergänzt, die im Browser oder in der SN-Flashcards-App online abrufbar sind. Mit den Flashcards könnt ihr auch zwischendurch und unterwegs gut weiterlernen und die Inhalte verinnerlichen.
Tutorium Analysis 1 und Lineare Algebra 1: Mathematik von Studenten für Studenten erklärt und kommentiert
by Florian Modler Martin KrehDieses Buch soll Ihnen als Mathematik-Erstsemester den Einstieg und Umstieg von der Schulmathematik in die Hochschulmathematik erleichtern und Ihnen somit helfen, viele der üblichen Erstsemester-Fehler zu vermeiden. Denn aller Anfang ist schwer und die Autoren wollen versuchen, Ihnen den Anfang so leicht wie möglich zu machen und Ihnen helfen, Schwierigkeiten zu überstehen, die im ersten Semester ganz normal sind. Das Buch ist anders als alle anderen, denn es wurde von Studenten geschrieben, die Erfahrung als Tutor, Übungsleiter und Korrektoren haben. Dadurch wissen die Autoren zum einen, welche Themen schwer verständlich sind und besonders ausführlich behandelt werden müssen und zum anderen kennen sie häufige Fehler und können auf diese hinweisen. In dem Buch gibt es einen mathematischen Teil, den der Student für Prüfungen beherrschen muss. Bei Fragen oder Problemen kann er dann in dem kommentierten Teil nachschauen und dort ausführliche Erklärungen, Hilfen und Beispiele der Autoren finden. So verfügt der Leser über zweierlei: Einerseits über die mathematisch exakte Definition oder den mathematisch präzisen Satz und Beweis und anderseits über Hilfen und Anschauungen, die ebenso wichtig sind, um den Stoff zu verstehen.Das Buch ist in der 4. Auflage um weitere Beispiele und zwei Beispielklausuren ergänzt worden. Stimmen zur 1. Auflage: „Es handelt sich also um ein sehr empfehlenswertes Buch für Einsteiger in das Studienfach Mathematik, welches sowohl umfangreich als auch verständlich gestaltet ist.“ Maik Messerschmidt auf www.uni-online.de„Super für den Studienbeginn! Kann dieses Buch nur jedem empfehlen, der im ersten Semester eine Vorlesung in Analysis oder Linearer Algebra hört! Habe schon einige Mathebücher durch und einige Sachen hatte ich trotzdem noch nicht richtig verstanden. Mit Hilfe dieses Buches jedoch wurden viele (komplizierte) Sachverhalte viel verständlicher.“ Kundenrezension auf www.amazon.de
Tutorium Analysis 2 und Lineare Algebra 2: Mathematik von Studenten für Studenten erklärt und kommentiert
by Florian Modler Martin KrehNach dem großen Erfolg von "Tutorium Analysis 1 und Lineare Algebra 1" erscheint nun ein Fortsetzungsband der beiden Autoren, mit dem sie den Zweitsemestern und allen, die Analysis 2 und Lineare Algebra 2 oder verwandte Vorlesungen hören müssen, wieder unterstützend unter die Arme greifen.Das Konzept bleibt das Altbewährte: Es gibt wieder einen mathematischen Teil, in dem die Definitionen, Sätze und Beweise stehen, und einen erklärenden Teil, in dem die schwierigen Definitionen und Sätze auf gewohnte lockere und lustige Art und Weise mit vielen Beispielen und Abbildungen mit Leben gefüllt werden.Das Buch ist für die zweite Auflage vollständig durchgesehen und an etlichen Stellen geändert und weiter verbessert.
Tutorium Mathe für Biologen: Von Studenten für Studenten
by Lorenz Adlung Christian Hopp Alexandra Köthe Niko Schnellbächer Oskar StauferWarum ein Mathebuch für Biologen von Studenten für Studenten?Wir wissen, was man an Mathe für Bio wirklich für die Prüfungen und die Bachelorarbeit braucht. Wir haben selbst Bio oder Mathe/Physik studiert und hautnah erlebt, wie unglaublich beliebt Mathe für Biologen ist. Neben einer „natürlichen Abneigung“ liegt es oft daran, dass die Lehre selten anwendungsbezogen ist. Wir haben uns bemüht, in einem Buch nur das aufzuführen, was man als Biologe wirklich benötigt und alles andere konsequent wegzulassen. Es gibt ständig Bezüge zu Publikationen aus den modernen Biowissenschaften. Solche relevanten Beispiele werden euch bestimmt hilfreich sein. Und das Beste: Das Buch ist garantiert häschenfrei! Wir rechnen nicht mit Hasenpopulationen sondern aktuellen Beispielen wie z.B. Signalwegen. Inhaltlich deckt das Buch den Stoff der ersten Mathevorlesungen für Biologen an den meisten Unis ab. Falls ihr mehr wissen möchtet, findet ihr uns auch auf Facebook unter „häschenfreie Mathe“.
Tutorium Mathematik für Naturwissenschaften: Tipps, Tricks und viele Beispiele
by Hrvoje KrizicBist du in deinem ersten Studienjahr und suchst Klarheit in der komplexen Welt der Hochschulmathematik? Dieses Buch richtet sich an Studierende, die Mathematik nicht als Hauptfach studieren, aber dennoch Mathematikvorlesungen in ihrem Studiengang bewältigen müssen. In leicht verständlicher „Studierenden-Sprache“ und mit packenden Beispielen führt dich dieses Buch durch die faszinierende Welt der Mathematik. Hier wird komplexe Theorie auf das Wesentliche reduziert, ohne dabei an Tiefe zu verlieren. Egal, ob du dich auf Prüfungen vorbereitest oder den Vorlesungsstoff während dem Semester vertiefen möchtest, dieses Buch bietet die perfekte Mischung aus intuitiv erklärter Theorie und vorgelösten Aufgaben. Komplexe Themen wie Lineare Algebra und Integralrechnung werden mit Schemata und Tricks so vermittelt, dass partielle Integration und das Gauss-Verfahren dir plötzlich Spaß machen! Erlebe, wie Mathematik nicht nur verständlich, sondern auch faszinierend sein kann. Dieses Buch wird zu deinem verlässlichen Wegbegleiter für Verständnis und Erfolg im Studium – „Tutorium Mathematik für Naturwissenschaften“.
The Twelve-Bug Day (Mouse Math)
by Lisa HarkraderEach read-aloud book in the Mouse Math series focuses on a single, basic math concept and features adorable mice, Albert and Wanda, who live in a People House. Entertaining fiction stories capture kids&’ imaginations as the mice learn about numbers, shapes, sizes, and more. Over 3 million copies sold worldwide!A dozen bugs? That&’s a lot! Still, Albert is sure he&’ll find all twelve on the class field trip to the insect zoo. After all he loves bugs. What he doesn&’t love? Subtraction. But if he counts down, bug by bug, he might just win lunch with the famous entomologist, Arizona Brown! Every Mouse Math title includes back matter activities that support and extend reading comprehension and math skills, plus free online activities. (Math Concept: Subtraction)
Twelve Landmarks of Twentieth-Century Analysis
by D. Choimet H. Queffélec Michaël Monerau Danièle Gibbons Greg GibbonsThe striking theorems showcased in this book are among the most profound results of twentieth-century analysis. The authors' original approach combines rigorous mathematical proofs with commentary on the underlying ideas to provide a rich insight into these landmarks in mathematics. Results ranging from the proof of Littlewood's conjecture to the Banach–Tarski paradox have been selected for their mathematical beauty as well as educative value and historical role. Placing each theorem in historical perspective, the authors paint a coherent picture of modern analysis and its development, whilst maintaining mathematical rigour with the provision of complete proofs, alternative proofs, worked examples, and more than 150 exercises and solution hints. This edition extends the original French edition of 2009 with a new chapter on partitions, including the Hardy–Ramanujan theorem, and a significant expansion of the existing chapter on the Corona problem.
Twenty Interviews With Psychometric Society Presidents: What’s on the Mind of the Psychometrician?
by Lisa D. WijsenTwenty Interviews with Psychometric Society Presidents tells the stories of the people who are the driving forces of psychometric research, teaching and practice. In semi-structured interviews, twenty presidents of the Psychometric Society share how they moved into the psychometric field, what inspired them to pursue this path, and what still drives them to do their research. They also reflect on the current status, history, and future of their own field, considering psychometrics' most significant historical achievements, as well as the major challenges that lie ahead. This curated collection provides a wealth of historical knowledge that is relevant for every practicing psychometrician. Introspective and insightful, it exhibits the wide array of opinions and visions in the field. Readers are invited to critically reflect on what holds this diverse field together, and what challenges and opportunities are on the horizon.
Twenty Is Too Many
by Kate DukeTwenty guinea pigs can be too many--especially if all of them are crammed on a small and tipsy boat. In this charming and boisterous book about subtraction, the guinea pigs begin to jump ship, each in his or her own funny and unique way. While children follow the story of the ever-shrinking gang of guinea pigs, they can count the furry pals leaping on and around oversized numerals representing the number of cavorting cavies on the page. A simple equation that shows the subtraction is printed along the bottom of each spread, reinforcing the concept.Like its successful predecessor, One Guinea Pig Is Not Enough, this book tells a story while teaching a number concept.
Twenty Lectures on Algorithmic Game Theory
by Tim RoughgardenComputer science and economics have engaged in a lively interaction over the past fifteen years, resulting in the new field of algorithmic game theory. Many problems that are central to modern computer science, ranging from resource allocation in large networks to online advertising, involve interactions between multiple self-interested parties. Economics and game theory offer a host of useful models and definitions to reason about such problems. The flow of ideas also travels in the other direction, and concepts from computer science are increasingly important in economics. This book grew out of the author's Stanford University course on algorithmic game theory, and aims to give students and other newcomers a quick and accessible introduction to many of the most important concepts in the field. The book also includes case studies on online advertising, wireless spectrum auctions, kidney exchange, and network management.
Twinderella, A Fractioned Fairy Tale
by Corey Rosen SchwartzTurns out you only know half of the story of Cinderella. Learn the rest in this mathmatically enjoyable fractioned fairy tale!Cinderella had a twin sister, Tinderella. They each did half the housework, half the mending, and half the mean step-sister tending. But when they meet only one prince, what will they do? The whole story has twice the magic and double the fun! From the author The Three Ninja Pigs comes the fractioned fairy tale of Cinderella and her less-famous sister.
Twisted Isospectrality, Homological Wideness, and Isometry: A Sample of Algebraic Methods in Isospectrality (SpringerBriefs in Mathematics)
by Gunther Cornelissen Norbert PeyerimhoffThe question of reconstructing a geometric shape from spectra of operators (such as the Laplace operator) is decades old and an active area of research in mathematics and mathematical physics. This book focusses on the case of compact Riemannian manifolds, and, in particular, the question whether one can find finitely many natural operators that determine whether two such manifolds are isometric (coverings).The methods outlined in the book fit into the tradition of the famous work of Sunada on the construction of isospectral, non-isometric manifolds, and thus do not focus on analytic techniques, but rather on algebraic methods: in particular, the analogy with constructions in number theory, methods from representation theory, and from algebraic topology.The main goal of the book is to present the construction of finitely many “twisted” Laplace operators whose spectrum determines covering equivalence of two Riemannian manifolds.The book has a leisure pace and presents details and examples that are hard to find in the literature, concerning: fiber products of manifolds and orbifolds, the distinction between the spectrum and the spectral zeta function for general operators, strong isospectrality, twisted Laplacians, the action of isometry groups on homology groups, monomial structures on group representations, geometric and group-theoretical realisation of coverings with wreath products as covering groups, and “class field theory” for manifolds. The book contains a wealth of worked examples and open problems. After perusing the book, the reader will have a comfortable working knowledge of the algebraic approach to isospectrality. This is an open access book.
Twisted Logic: Puzzles, Paradoxes, and Big Questions
by Leighton Vaughan WilliamsTwisted Logic: Puzzles, Paradoxes, and Big Questions delves into the intriguing world of twisted logic, where everyday conundrums, bewildering paradoxes, and life's big questions are investigated and decoded. Crafted for the curious mind, this book sheds light on how our intuition and common sense can often mislead us. Without the need for technical jargon or mathematical prowess, it serves as your personal compass through fascinating intellectual landscapes and ultimate explorations. From the quirky corners of Bayesian reasoning to practical strategies in daily choices, this is your companion for a clearer way of thinking.Features: A comprehensive toolkit to refine your cognitive processes and avoid common pitfalls. Insights into the oddities of probability, strategy, and fate that govern our lives. A fresh perspective on everyday decisions and life's larger dilemmas, including finding everything from a place to eat to a new home to a life partner. Practical advice on optimising daily routines, such as determining the best time of day to arrange important appointments. Thought-provoking 'When Should We?' questions that challenge us to think critically about decision-making in our lives. Prepare to challenge your perceptions and unveil hidden truths. Twisted Logic is an enlightening adventure that promises to transform the mundane into the extraordinary. Embark on a journey where the only thing certain is the thrill of the unknown.
Twisted Morse Complexes: Morse Homology and Cohomology with Local Coefficients (Lecture Notes in Mathematics #2361)
by Augustin Banyaga David Hurtubise Peter SpaethThis book gives a detailed presentation of twisted Morse homology and cohomology on closed finite-dimensional smooth manifolds. It contains a complete proof of the Twisted Morse Homology Theorem, which says that on a closed finite-dimensional smooth manifold the homology of the Morse–Smale–Witten chain complex with coefficients in a bundle of abelian groups G is isomorphic to the singular homology of the manifold with coefficients in G. It also includes proofs of twisted Morse-theoretic versions of well-known theorems such as Eilenberg's Theorem, the Poincaré Lemma, and the de Rham Theorem. The effectiveness of twisted Morse complexes is demonstrated by computing the Lichnerowicz cohomology of surfaces, giving obstructions to spaces being associative H-spaces, and computing Novikov numbers. Suitable for a graduate level course, the book may also be used as a reference for graduate students and working mathematicians or physicists.
Twistor Sigma Models: Gravity, Amplitudes, and Flat Space Holography (Springer Theses)
by Atul SharmaIn recent decades, twistor theory has grown into an irreplaceable tool for the study of scattering amplitudes in gauge theory and gravity. This book introduces the reader to cutting-edge advances in twistor theory and its applications to general relativity. The problem of graviton scattering in four dimensions is shown to be dual to dramatically simpler computations in a two-dimensional CFT known as a twistor sigma model. Twistor sigma models are the first step toward a holographic description of gravity in asymptotically flat space-times. They underpin the infinitely many asymptotic symmetries of flat space physics discovered in celestial holography, and extend them to exciting new arenas like curved space-times. They also yield intrinsically mathematical results in the field of hyperkähler manifolds. This volume will be of broad interest to students and researchers looking for an accessible entry point into twistor geometry, scattering amplitudes, and celestial holography. It will also provide an invaluable reference for specialists by bringing together results from a host of different disciplines.
Twistor Theory
by AuthorPresents the proceedings of the recently held conference at the University of Plymouth. Papers describe recent work by leading researchers in twistor theory and cover a wide range of subjects, including conformal invariants, integral transforms, Einstein equations, anti-self-dual Riemannian 4-manifolds, deformation theory, 4-dimensional conformal structures, and more.;The book is intended for complex geometers and analysts, theoretical physicists, and graduate students in complex analysis, complex differential geometry, and mathematical physics.