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Measures, integrals and martingales
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ISBN: 0521615259 9780521615259 9780521850155 9780511810886 9780511647987 0511647980 0511344562 9780511344565 0511810881 128239441X 9781282394414 0521850150 9780511344176 1139931229 110715359X 0511643969 9786612394416 0511344171 0511568088 Year: 2005 Publisher: Cambridge : Cambridge University Press,

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This book, first published in 2005, introduces measure and integration theory as it is needed in many parts of analysis and probability theory. The basic theory - measures, integrals, convergence theorems, Lp-spaces and multiple integrals - is explored in the first part of the book. The second part then uses the notion of martingales to develop the theory further, covering topics such as Jacobi's generalized transformation Theorem, the Radon-Nikodym theorem, Hardy-Littlewood maximal functions or general Fourier series. Undergraduate calculus and an introductory course on rigorous analysis are the only essential prerequisites, making this text suitable for both lecture courses and for self-study. Numerous illustrations and exercises are included and these are not merely drill problems but are there to consolidate what has already been learnt and to discover variants, sideways and extensions to the main material. Hints and solutions can be found on the author's website, which can be reached from www.cambridge.org/9780521615259.


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Wahrscheinlichkeit
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ISBN: 3110387506 3110350661 9783110387506 9783110350661 9783110350661 9783110350654 3110350653 Year: 2017 Publisher: Berlin Boston

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Die Wahrscheinlichkeitstheorie gehört zu den Kerndisziplinen der modernen Mathematikausbildung. Sie ist die Grundlage für alle Modelle, die "Risiko" und "Unsicherheit" einbeziehen. Dieses Lehrbuch gibt einen direkten, verlässlichen und modernen Zugang zu den wichtigsten Ergebnissen der mathematischen Wahrscheinlichkeitstheorie. Aufbauend auf dem Band "Maß & Integral" werden zunächst elementare Fragen Wahrscheinlichkeitsverteilungen, Zufallsvariable, Unabhängigkeit, bedingte Wahrscheinlichkeiten und charakteristische Funktionen - bis hin zu einfachen Grenzwertsätzen behandelt. Diese Themen werden dann um das Studium von Summen unabhängiger Zufallsvariablen - Gesetze der Großen Zahlen, Null-Eins-Gesetze, random walks, zentraler Grenzwertsatz von Lindeberg-Feller - ergänzt. Allgemeine bedingte Erwartungen, Anwendungen von charakteristischen Funktionen und eine Einführung in die Theorie unendlich teilbarer Verteilungen und der großen Abweichungen runden die Darstellung ab. In gleicher Ausstattung erscheint der Folgeband "Martingale & Prozesse". Lösungen zu den im Buch befindlichen Übungsaufgaben unter: http://www.motapa.de/stoch/index.shtml


Book
Martingale und Prozesse : eine Einführung für Bachelor-Studenten
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ISBN: 3110387514 3110350688 Year: 2018 Publisher: Berlin ; Boston : De Gruyter,

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Dieser Band ist der dritte Teil der "Modernen Stochastik". Als Fortsetzung der "Wahrscheinlichkeit" werden nun dynamische stochastische Phänomene anhand stochastischer Prozesse in diskreter Zeit betrachtet. Die erste Hälfte des Buchs gibt eine Einführung in die Theorie der diskreten Martingale - ihr Konvergenzverhalten, optional sampling & stopping, gleichgradige Integrierbarkeit und Martingalungleichungen. Die Stärke der Martingaltechniken wird in den Kapiteln über Anwendungen in der klassischen Wahrscheinlichkeitsrechnung und über die Burkholder-Davis-Gundy-Ungleichungen illustriert. Die zweite Hälfte des Buchs beschäftigt sich mit Irrfahrten auf dem Gitter ℤd und auf ℝd, ihrem Fluktuationsverhalten, Rekurrenz und Transienz. Die letzten beiden Kapitel geben einen Einblick in die probabilistische Potentialtheorie sowie einen Ausblick auf die Brownsche Bewegung: Donskers Invarianzprinzip.   Contents Fair Play Bedingte Erwartung Martingale Stoppen und Lokalisieren Konvergenz von Martingalen L2-Martingale Gleichgradig integrierbare Martingale Einige klassische Resultate der W-Theorie Elementare Ungleichungen für Martingale Die Burkholder-Davis-Gundy Ungleichungen Zufällige Irrfahrten auf ℤd - erste Schritte Fluktuationen einer einfachen Irrfahrt auf ℤ Rekurrenz und Transienz allgemeiner Irrfahrten Irrfahrten und Analysis Donskers Invarianzprinzip und die Brownsche Bewegung This is the third volume of the series "Moderne Stochastik" (Modern Stochastics). As a follow-up to the volume "Wahrscheinlichkeit" (Probability Theory) it gives an intrdouction to dynamical aspects of probability theory using stochastic processes in discrete time. The first part of the book covers discrete martingales - their convergenc behaviour, optional sampling and stopping, uniform integrability and essential martingale inequalities. The power of martingale techniques is illustrated in the chapters on applications of martingales in classical probability and on the Burkholder-Davis-Gundy inequalities. The second half of the book treats random walks on Zd and Rd, their fluctuation behaviour, recurrence and transience. The last two chapters give a brief introduction to probabilistic potential theory and an outlook of further developments: Brownian motion and Donsker's invariance principle ContentsFair Play Conditional Expectation Martingale Stopping and Localizing Martingale Convergence L2-Martingales Uniformly Integrable Martingales Some Classical Results of Probability Elementary Inequalities for Martingales The Burkholder-Davis-Gundy Inequalities Random Walks on ℤd - the first steps Fluctuations of Simple Random Walks on ZRecurrence and Transience of General Random WalksRandom Walks and AnalysisDonsker's Invariance Principle and Brownian Motion


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Measures, integrals and martingales
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ISBN: 9781316620243 Year: 2017 Publisher: Cambridge Cambridge University Press

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Mass und Integral : eine einführung für bachelor-Studenten
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ISBN: 3110383322 Year: 2015 Publisher: Berlin, Germany ; Boston, Massachusetts : De Gruyter,

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Allgemeine Maße und das Lebesgue-Integral gehören zu den unverzichtbaren Hilfsmitteln der modernen Analysis, der Funktionalanalysis und der Stochastik. Das vorliegende Lehrbuch bietet eine Einführung in die wesentlichen Aspekte der Theorie - Maße, Integrale, Konvergenzsätze, Parameterintegrale, Satz von Fubini -, die durch weiterführende Themen - allgemeiner Transformationssatz, Satz von Radon-Nikodým, Fouriertransformation von Maßen, topologische Maßtheorie - abgerundet wird. Mehr als 150 Übungsaufgaben (mit vollständigen Lösungen im Internet) vertiefen und erweitern den Stoff. Die kompakte Darstellung bietet sich als Fortsetzung der Grundvorlesungen "Analysis" oder als Einstieg in die "Stochastik" an. Da nur Grundkenntnisse in Analysis und linearer Algebra vorausgesetzt werden, ist der Text auch für Studierende der Physik und Ingenieurswissenschaften sowie zum Selbststudium geeignet. In gleicher Ausstattung erscheinen die Folgebände "Wahrscheinlichkeit" und "Martingale & Prozesse". Lösungen zu den im Buch befindlichen Übungsaufgaben unter: http://www.motapa.de/mint/index.shtml


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Brownian Motion
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ISBN: 9783110741278 9783110741490 311074127X Year: 2021 Publisher: Berlin Boston

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Brownian motion is one of the most important stochastic processes in continuous time and with continuous state space. Within the realm of stochastic processes, Brownian motion is at the intersection of Gaussian processes, martingales, Markov processes, diffusions and random fractals, and it has influenced the study of these topics. Its central position within mathematics is matched by numerous applications in science, engineering and mathematical finance. Often textbooks on probability theory cover, if at all, Brownian motion only briefly. On the other hand, there is a considerable gap to more specialized texts on Brownian motion which is not so easy to overcome for the novice. The authors' aim was to write a book which can be used as an introduction to Brownian motion and stochastic calculus, and as a first course in continuous-time and continuous-state Markov processes. They also wanted to have a text which would be both a readily accessible mathematical back-up for contemporary applications (such as mathematical finance) and a foundation to get easy access to advanced monographs. This textbook, tailored to the needs of graduate and advanced undergraduate students, covers Brownian motion, starting from its elementary properties, certain distributional aspects, path properties, and leading to stochastic calculus based on Brownian motion. It also includes numerical recipes for the simulation of Brownian motion.


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Counterexamples in measure and integration
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ISBN: 9781009001625 Year: 2021 Publisher: Cambridge Cambridge University Press

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Bernstein functions
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ISBN: 3110269007 1283856751 3110252295 9783110252293 9781283856751 9783110269338 3110269333 9783110269000 Year: 2012 Volume: 37 Publisher: Berlin Boston

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Bernstein functions appear in various fields of mathematics, e.g. probability theory, potential theory, operator theory, functional analysis and complex analysis - often with different definitions and under different names. Among the synonyms are `Laplace exponent' instead of Bernstein function, and complete Bernstein functions are sometimes called `Pick functions', `Nevanlinna functions' or `operator monotone functions'. This monograph - now in its second revised and extended edition - offers a self-contained and unified approach to Bernstein functions and closely related function classes, bringing together old and establishing new connections. For the second edition the authors added a substantial amount of new material. As in the first edition Chapters 1 to 11 contain general material which should be accessible to non-specialists, while the later Chapters 12 to 15 are devoted to more specialized topics. An extensive list of complete Bernstein functions with their representations is provided.


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Bernstein Functions
Authors: --- ---
ISBN: 9783110215311 9783110215304 3110215306 Year: 2009 Publisher: Berlin Boston

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This text is a self-contained and unified approach to Bernstein functions and their subclasses, bringing together old and establishing new connections. Applications of Bernstein functions in different fields of mathematics are given, with special attention to interpretations in probability theory. An extensive list of complete Bernstein functions with their representations is provided. A self-contained and unified approach to the topic With applications to various fields of mathematics, such as probability theory, potential theory, operator theory, integral equations, functional calculi and complex analysis With an extensive list of complete Bernstein functions. Additional material and corrections can be found on the authors' website.


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Counterexamples in measure and integration
Authors: ---
ISBN: 1009020390 1009003798 Year: 2021 Publisher: Cambridge : Cambridge University Press,

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Often it is more instructive to know 'what can go wrong' and to understand 'why a result fails' than to plod through yet another piece of theory. In this text, the authors gather more than 300 counterexamples - some of them both surprising and amusing - showing the limitations, hidden traps and pitfalls of measure and integration. Many examples are put into context, explaining relevant parts of the theory, and pointing out further reading. The text starts with a self-contained, non-technical overview on the fundamentals of measure and integration. A companion to the successful undergraduate textbook Measures, Integrals and Martingales, it is accessible to advanced undergraduate students, requiring only modest prerequisites. More specialized concepts are summarized at the beginning of each chapter, allowing for self-study as well as supplementary reading for any course covering measures and integrals. For researchers, it provides ample examples and warnings as to the limitations of general measure theory. This book forms a sister volume to René Schilling's other book Measures, Integrals and Martingales (www.cambridge.org/9781316620243).

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