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  • BTU Cottbus  (29)
  • F.-Ebert-Stiftung  (1)
  • SB Guben
  • Kreisbibliothek des Landkreises Spree-Neiße
  • SB Bad Liebenwerda
  • 1985-1989  (30)
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  • 1
    Online Resource
    Online Resource
    New York, NY :Springer New York :
    UID:
    almahu_9947363001602882
    Format: VIII, 224 p. , online resource.
    ISBN: 9781461210504
    Series Statement: Applied Probability, A Series of the Applied Probability Trust, 3
    Content: Networks of queues arise frequently as models for a wide variety of congestion phenomena. Discrete event simulation is often the only available means for studying the behavior of complex networks and many such simulations are non­ Markovian in the sense that the underlying stochastic process cannot be repre­ sented as a continuous time Markov chain with countable state space. Based on representation of the underlying stochastic process of the simulation as a gen­ eralized semi-Markov process, this book develops probabilistic and statistical methods for discrete event simulation of networks of queues. The emphasis is on the use of underlying regenerative stochastic process structure for the design of simulation experiments and the analysis of simulation output. The most obvious methodological advantage of simulation is that in principle it is applicable to stochastic systems of arbitrary complexity. In practice, however, it is often a decidedly nontrivial matter to obtain from a simulation information that is both useful and accurate, and to obtain it in an efficient manner. These difficulties arise primarily from the inherent variability in a stochastic system, and it is necessary to seek theoretically sound and computationally efficient methods for carrying out the simulation. Apart from implementation consider­ ations, important concerns for simulation relate to efficient methods for generating sample paths of the underlying stochastic process. the design of simulation ex­ periments, and the analysis of simulation output.
    Note: 1 Discrete Event Simulation -- 1.1 Methodological Considerations l -- 1.2 The Generalized Semi-Markov Process Model -- 1.3 Specification of Discrete Event Simulations -- 2 Regenerative Simulation -- 2.1 Regenerative Stochastic Processes -- 2.2 Properties of Regenerative Processes -- 2.3 The Regenerative Method for Simulation Analysis -- 2.4 Implementation Considerations -- 2.5 Theoretical Values for Discrete Time Markov Chains -- 2.6 Theoretical Values for Continuous Time Markov Chains -- 2.7 Efficiency of Regenerative Simulation -- 2.8 Regenerative Generalized Semi-Markov Processes -- 3 Markovian Networks -- 3.1. Markovian Job Stack Processes -- 3.2. Augmented Job Stack Processes -- 3.3. Irreducible, Closed Sets of Recurrent States -- 3.4. The Marked Job Method -- 3.5. Fully Augmented Job Stack Processes -- 3.6. The Labelled Jobs Method -- 3.7. Sequences of Passage Times -- 3.8. Networks with Multiple Job Types -- 3.9. Simulation for Passage Times -- 4 Non-Markovian Networks -- 4.1 Networks with Single States -- 4.2 Regenerative Simulation of Non-Markovian Networks -- 4.3 Single States for Passage Times -- 4.4 Recurrence and Regeneration -- 4.5 The Marked Job Method -- 4.6 Finite Capacity Open Networks -- 4.7 Passage Through Subnetworks -- 4.8 The Underlying Stochastic Structure -- 4.9 The Labelled Jobs Method -- 4.10 Comparison of Methods -- Appendix 1 Limit Theorems for Stochastic Processes -- Appendix 2 Convergence of Passage Times -- Symbol Index.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9781461269977
    Language: English
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  • 2
    UID:
    almahu_9947362941902882
    Format: XXIII, 470 p. , online resource.
    ISBN: 9781468403022
    Series Statement: Graduate Texts in Mathematics, 113
    Content: Two of the most fundamental concepts in the theory of stochastic processes are the Markov property and the martingale property. * This book is written for readers who are acquainted with both of these ideas in the discrete-time setting, and who now wish to explore stochastic processes in their continuous­ time context. It has been our goal to write a systematic and thorough exposi­ tion of this subject, leading in many instances to the frontiers of knowledge. At the same time, we have endeavored to keep the mathematical prerequisites as low as possible, namely, knowledge of measure-theoretic probability and some familiarity with discrete-time processes. The vehicle we have chosen for this task is Brownian motion, which we present as the canonical example of both a Markov process and a martingale. We support this point of view by showing how, by means of stochastic integration and random time change, all continuous-path martingales and a multitude of continuous-path Markov processes can be represented in terms of Brownian motion. This approach forces us to leave aside those processes which do not have continuous paths. Thus, the Poisson process is not a primary object of study, although it is developed in Chapter 1 to be used as a tool when we later study passage times and local time of Brownian motion.
    Note: 1 Martingales, Stopping Times, and Filtrations -- 1.1. Stochastic Processes and ?-Fields -- 1.2. Stopping Times -- 1.3. Continuous-Time Martingales -- 1.4. The Doob-Meyer Decomposition -- 1.5. Continuous, Square-Integrable Martingales -- 1.6. Solutions to Selected Problems -- 1.7. Notes -- 2 Brownian Motion -- 2.1. Introduction -- 2.2. First Construction of Brownian Motion -- 2.3. Second Construction of Brownian Motion -- 2.4. The Space C [0, ?), Weak Convergence, and Wiener Measure -- 2.5. The Markov Property -- 2.6. The Strong Markov Property and the Reflection Principle -- 2.7. Brownian Filtrations -- 2.8. Computations Based on Passage Times -- 2.9. The Brownian Sample Paths -- 2.10. Solutions to Selected Problems -- 2.11. Notes -- 3 Stochastic Integration -- 3.1. Introduction -- 3.2. Construction of the Stochastic Integral -- 3.3. The Change-of-Variable Formula -- 3.4. Representations of Continuous Martingales in Terms of Brownian Motion -- 3.5. The Girsanov Theorem -- 3.6. Local Time and a Generalized Itô Rule for Brownian Motion -- 3.7. Local Time for Continuous Semimartingales -- 3.8. Solutions to Selected Problems -- 3.9. Notes -- 4 Brownian Motion and Partial Differential Equations -- 4.1. Introduction -- 4.2. Harmonic Functions and the Dirichlet Problem -- 4.3. The One-Dimensional Heat Equation -- 4.4. The Formulas of Feynman and Kac -- 4.5. Solutions to selected problems -- 4.6. Notes -- 5 Stochastic Differential Equations -- 5.1. Introduction -- 5.2. Strong Solutions -- 5.3. Weak Solutions -- 5.4. The Martingale Problem of Stroock and Varadhan -- 5.5. A Study of the One-Dimensional Case -- 5.6. Linear Equations -- 5.7. Connections with Partial Differential Equations -- 5.8. Applications to Economics -- 5.9. Solutions to Selected Problems -- 5.10. Notes -- 6 P. Lévy’s Theory of Brownian Local Time -- 6.1. Introduction -- 6.2. Alternate Representations of Brownian Local Time -- 6.3. Two Independent Reflected Brownian Motions -- 6.4. Elastic Brownian Motion -- 6.5. An Application: Transition Probabilities of Brownian Motion with Two-Valued Drift -- 6.6. Solutions to Selected Problems -- 6.7. Notes.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9781468403046
    Language: English
    Subjects: Economics , Mathematics
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  • 3
    UID:
    almahu_9947362946102882
    Format: XVIII, 467 p. , online resource.
    Edition: Second Edition.
    ISBN: 9781468405040
    Series Statement: Springer Texts in Statistics,
    Content: Apart from new examples and exercises, some simplifications of proofs, minor improvements, and correction of typographical errors, the principal change from the first edition is the addition of section 9.5, dealing with the central limit theorem for martingales and more general stochastic arrays. vii Preface to the First Edition Probability theory is a branch of mathematics dealing with chance phenomena and has clearly discernible links with the real world. The origins of the sub­ ject, generally attributed to investigations by the renowned French mathe­ matician Fermat of problems posed by a gambling contemporary to Pascal, have been pushed back a century earlier to the Italian mathematicians Cardano and Tartaglia about 1570 (Ore, 1953). Results as significant as the Bernoulli weak law of large numbers appeared as early as 1713, although its counterpart, the Borel strong law oflarge numbers, did not emerge until 1909. Central limit theorems and conditional probabilities were already being investigated in the eighteenth century, but the first serious attempts to grapple with the logical foundations of probability seem to be Keynes (1921), von Mises (1928; 1931), and Kolmogorov (1933).
    Note: 1 Classes of Sets, Measures, and Probability Spaces -- 1.1 Sets and set operations -- 1.2 Spaces and indicators -- 1.3 Sigma-algebras, measurable spaces, and product spaces -- 1.4 Measurable transformations -- 1.5 Additive set functions, measures, and probability spaces -- 1.6 Induced measures and distribution functions -- 2 Binomial Random Variables -- 2.1 Poisson theorem, interchangeable events, and their limiting probabilities -- 2.2 Bernoulli, Borel theorems -- 2.3 Central limit theorem for binomial random variables, large deviations -- 3 Independence -- 3.1 Independence, random allocation of balls into cells -- 3.2 Borel-Cantelli theorem, characterization of independence, Kolmogorov zero-one law -- 3.3 Convergence in probability, almost certain convergence, and their equivalence for sums of independent random variables -- 3.4 Bernoulli trials -- 4 Integration in a Probability Space -- 4.1 Definition, properties of the integral, monotone convergence theorem -- 4.2 Indefinite integrals, uniform integrability, mean convergence -- 4.3 Jensen, Hölder, Schwarz inequalities -- 5 Sums of Independent Random Variables -- 5.1 Three series theorem -- 5.2 Laws of large numbers -- 5.3 Stopping times, copies of stopping times, Wald’s equation -- 5.4 Chung-Fuchs theorem, elementary renewal theorem, optimal stopping -- 6 Measure Extensions, Lebesgue-Stieltjes Measure, Kolmogorov Consistency Theorem -- 6.1 Measure extensions, Lebesgue-Stieltjes measure -- 6.2 Integration in a measure space -- 6.3 Product measure, Fubini’s theorem, n-dimensional Lebesgue-Stieltjes measure -- 6.4 Infinite-dimensional product measure space, Kolmogorov consistency theorem -- 6.5 Absolute continuity of measures, distribution functions; Radon-Nikodym theorem -- 7 Conditional Expectation, Conditional Independence, Introduction to Martingales -- 7.1 Conditional expectations -- 7.2 Conditional probabilities, conditional probability measures -- 7.3 Conditional independence, interchangeable random variables -- 7.4 Introduction to martingales -- 8 Distribution Functions and Characteristic Functions -- 8.1 Convergence of distribution functions, uniform integrability, Helly—Bray theorem -- 8.2 Weak compactness, Fréchet-Shohat, Glivenko- Cantelli theorems -- 8.3 Characteristic functions, inversion formula, Lévy continuity theorem -- 8.4 The nature of characteristic functions, analytic characteristic functions, Cramér-Lévy theorem -- 8.5 Remarks on k-dimensional distribution functions and characteristic functions -- 9 Central Limit Theorems -- 9.1 Independent components -- 9.2 Interchangeable components -- 9.3 The martingale case -- 9.4 Miscellaneous central limit theorems -- 9.5 Central limit theorems for double arrays -- 10 Limit Theorems for Independent Random Variables -- 10.1 Laws of large numbers -- 10.2 Law of the iterated logarithm -- 10.3 Marcinkiewicz-Zygmund inequality, dominated ergodic theorems -- 10.4 Maxima of random walks -- 11 Martingales -- 11.1 Upcrossing inequality and convergence -- 11.2 Martingale extension of Marcinkiewicz-Zygmund inequalities -- 11.3 Convex function inequalities for martingales -- 11.4 Stochastic inequalities -- 12 Infinitely Divisible Laws -- 12.1 Infinitely divisible characteristic functions -- 12.2 Infinitely divisible laws as limits -- 12.3 Stable laws.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9781468405064
    Language: English
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  • 4
    Online Resource
    Online Resource
    New York, NY :Springer New York,
    UID:
    almahu_9947362986702882
    Format: XIV, 197 p. 18 illus. , online resource.
    ISBN: 9781461246084
    Content: From the reviews: The book is, in spite of the author's more modest claims, an introductory survey of main developments in those disciplines which were particularly important in Medieval Islamic mathematics...No knowledge of mathematics (or of the history of mathematics) beyond normal high-school level is presupposed, and everything required beyond that (be it Apollonian theory of conics or the definitions of celestial circles) is explained carefully and clearly. Scattered throughout the work are a number of lucid remarks on the character of Islamic mathematics or of mathematical work in general. The book will hence not only be an excellent textbook for the teaching of the history of mathematics but also for the liberal art aspect of mathematics teaching in general. - Jens Høyrup, Mathematical Reviews ...as a textbook, this work is highly commendable...It is definitely the product of a skillful mathematician who has collected over the years a reasonably large number of interesting problems from medieval Arabic mathematics. None of them is pursued to exhaustion, but all of them arranged in such a way, together with accompanying exercises, so that they would engage an active mind and introduce a subject, which I am sure the author agrees with me is, at this stage, very difficult to introduce. - G.Saliba, Zentralblatt.
    Note: 1. Introduction -- §1. The Beginnings of Islam -- §2. Islam’s Reception of Foreign Science -- §3. Four Muslim Scientists -- §4. The Sources -- §5. The Arabic Language and Arabic Names -- Exercises -- 2. Islamic Arithmetic -- §1. The Decimal System -- §2. K?shy?r’s Arithmetic -- §3. The Discovery of Decimal Fractions -- §4. Muslim Sexagesimal Arithmetic -- §5. Square Roots -- §6. Al-K?sh?’s Extraction of a Fifth Root -- §7. The Islamic Dimension: Problems of Inheritance -- Exercises -- 3. Geometrical Constructions in the Islamic World -- §1. Euclidean Constructions -- §2. Greek Sources for Islamic Geometry -- §3. Apollonios’ Theory of the Conics -- §4. Ab? Sahl on the Regular Heptagon -- §5. The Construction of the Regular Nonagon -- §6. Construction of the Conic Sections -- §7. The Islamic Dimension: Geometry with a Rusty Compass -- Exercises -- 4. Algebra in Islam -- §1. Problems About Unknown Quantities -- §2. Sources of Islamic Algebra -- §3. Al-Khw?rizm?’s Algebra -- §4. Thabit’s Demonstration for Quadratic Equations -- §5. Ab? K?mil on Algebra -- §6. Al-Karaj?’s Arithmetization of Algebra -- §7. ‘Umar al-Khayy?m? and the Cubic Equation -- §8. The Islamic Dimension: The Algebra of Legacies -- Exercises -- 5. Trigonometry in the Islamic World -- §1. Ancient Background: The Table of Chords and the Sine -- §2. The Introduction of the Six Trigonometric Functions -- §3. Abu l-Waf?’s Proof of the Addition Theorem for Sines -- §4. Nas?r al-D?n’s Proof of the Sine Law -- §5. Al-B?r?n?’s Measurement of the Earth -- §6. Trigonometric Tables: Calculation and Interpolation -- §7. Auxiliary Functions -- §8. Interpolation Procedures -- §9. Al-K?sh?’s Approximation to Sin(1°) -- Exercises -- 6. Spherics in the Islamic World -- §1. The Ancient Background -- §2. Important Circles on the Celestial Sphere -- §3. The Rising Times of the Zodiacal Signs -- §4. Stereographic Projection and the Astrolabe -- §5. Telling Time by Sun and Stars -- §6. Spherical Trigonometry in Islam -- §7. Tables for Spherical Astronomy -- §8. The Islamic Dimension: The Direction of Prayer -- Exercises.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9780387406053
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  • 5
    UID:
    almahu_9947363111402882
    Format: XIII, 609 p. , online resource.
    ISBN: 9781461387626
    Series Statement: The IMA Volumes in Mathematics and Its Applications, 10
    Content: This IMA Volume in Mathematics and its Applications STOCHASTIC DIFFERENTIAL SYSTEMS, STOCHASTIC CONTROL THEORY AND APPLICATIONS is the proceedings of a workshop which was an integral part of the 1986-87 IMA program on STOCHASTIC DIFFERENTIAL EQUATIONS AND THEIR APPLICATIONS. We are grateful to the Scientific Committee: Daniel Stroock (Chairman) WendeIl Flerning Theodore Harris Pierre-Louis Lions Steven Orey George Papanicolaou for planning and implementing an exciting and stimulating year-long program. We es­ pecially thank WendeIl Fleming and Pierre-Louis Lions for organizing an interesting and productive workshop in an area in which mathematics is beginning to make significant contributions to real-world problems. George R. Seil Hans Weinberger PREFACE This volume is the Proceedings of a Workshop on Stochastic Differential Systems, Stochastic Control Theory, and Applications held at IMA June 9-19,1986. The Workshop Program Commit­ tee consisted of W.H. Fleming and P.-L. Lions (co-chairmen), J. Baras, B. Hajek, J.M. Harrison, and H. Sussmann. The Workshop emphasized topics in the following four areas. (1) Mathematical theory of stochastic differential systems, stochastic control and nonlinear filtering for Markov diffusion processes. Connections with partial differential equations. (2) Applications of stochastic differential system theory, in engineering and management sci­ ence. Adaptive control of Markov processes. Advanced computational methods in stochas­ tic control and nonlinear filtering. (3) Stochastic scheduling, queueing networks, and related topics. Flow control, multiarm bandit problems, applications to problems of computer networks and scheduling of complex manufacturing operations.
    Note: Optimality of “full bang to reduce predicted miss” for some partially observed stochastic control problems -- On some approximation techniques in non-linear filtering -- Applications of Homogenization Theory to the control of flexible structures -- Control of Markov chains with long-run average cost criterion -- Automatic study in stochastic control -- Some results on Kolmogoroff equations for infinite dimensional stochastic systems -- Hamilton-Jacobi equations with constraints -- An approximate minimum principle for a partially observed Markov chain -- Generalized solutions in the optimal control of diffusions -- Consistency of maximum likelihood and pseudo-likelihood estimators for Gibbs Distributions -- Brownian models of queueing networks with heterogeneous customer populations -- Non-linear filtering — the degenerate case -- The asymptotic behaviour of the maximum likelihood estimates for a class of diffusion processes -- The filtering problem for infinite dimensional stochastic processes -- Stochastic control under finite-fuel constraints -- Recent advances in the theory of stochastic adaptive control -- Almost optimal controls for wideband noise driven systems -- Asymptotic solutions of bandit problems -- Viscosity solutions of second-order equations, stochastic control and stochastic differential games -- On the memory length of the optimal nonlinear filter -- Implementation issues for Markov decision processes -- Navigating and stopping multi-parameter bandit processes -- Bounded variation control of a damped linear oscillator under random disturbances -- The support of the law of a filter in C? topology -- Existence of densities for statistics in the cubic sensor problem -- Piecewise linear filtering -- Quick simulation of excessive backlogs in networks of queues -- On some perturbation problems in optimal stopping and impulse control -- Optimal control of jump-markov processes and viscosity solutions -- An introduction to singular stochastic control -- Scheduling, routing, and flow control in stochastic networks -- Product expansions of exponential Lie Series and the discretization of stochastic differential equations -- A survey of large time asymptotics of simulated annealing algorithms -- Stochastic scheduling on parallel processors and minimization of concave functions of completion times.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9781461387640
    Language: English
    Keywords: Konferenzschrift
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  • 6
    UID:
    almahu_9947362824202882
    Format: XIV, 492p. , online resource.
    ISBN: 9781461236641
    Series Statement: Lecture Notes in Statistics, 55
    Content: The papers in this volume were presented at a symposium/workshop on "The Estimation and Analysis of Insect Populations" that was held at the University of Wyoming, Laramie, in January, 1988. The meeting was organized with financial support from the United States - New Zealand Cooperative Science Program and the University of Wyoming. The purpose was to bring together approximately equal numbers of quantitative biologists and biometricians in order to (1) provide a synthesis and evaluation of currently available methods for modeling and estimating parameters of insect population, and to (2) stimulate research into new methods where this is appropriate. The symposium/workshop attracted 46 participants. There were 35 papers presented in four subject areas: analysis of stage-frequency data, modeling of population dynamiCS, analysis of spatial data, and general sampling and estimation methods. New results were presented in all these areas. All except one of the papers is included in the present volume.
    Note: Section I Analysis of Stage-Frequency Data -- A Review of Methods for the Analysis of Stage-frequency Data -- Life Tables, Parasitism: Estimating Parameters in Joint Host-Parasitoid Systems -- From Cohort Data to Life Table Parameters via Stochastic Modeling -- Estimation of Stage-Specific Demographic Parameters for Zooplankton Populations: Methods Based on Stage-Classified Matrix Projection Models -- Compartmental Models in the Analysis of Populations -- Modeling Grasshopper Phenology with Diffusion Processes -- Estimation of Relative Trappabilities by Age and Development Delays of Released Blowflies -- A Stochastic Model for Insect Life History Data -- Nonparametric Estimation of Insect Stage Transition Times -- Problems Associated with Life Cycle Studies of a Soil-Inhabiting Organism -- Section II Modeling of Population Dynamics -- A Review of Methods for Key Factor Analysis -- Are Natural Enemy Populations Chaotic? -- Demographic Framework for Analysis of Insect Life Histories -- Stochastic Differential Equations as Insect Population Models -- Intensive Study and Comparison of Single Species Population Simulation Models -- Potential Use of an Engineering-Based Computer Simulation Language (SLAM) for Modeling Insect Systems -- Modeling Southern Pine Beetle (Coleoptera: Scolytidae) Population Dynamics: Methods, Results and Impending Challenges -- Application of Catastrophe Theory to Population Dynamics of Rangeland Grasshoppers -- Derivation and Analysis of Composite Models for Insect Populations -- Leslie Matrix Models for Insect Populations with Overlapping Generations -- Relationships Among Recent Models for Insect Population Dynamics with Variable Rates of Development -- Models of Development in Insect Populations -- Section III Analysis of Spatial Data -- A Significance Test for Morisita’s Index of Dispersion and the Moments when the Population is Negative Binomial and Poisson -- Spatial Analysis of the Relationship of Grasshopper Outbreaks to Soil Classification -- Use of Multi-Dimensional Life Tables for Studying Insect Population Dynamics -- Measures of the Dispersion of a Population Based on Ranks -- A Model of Arthropod Movement within Agroecosystems -- Section IV General Sampling, Estimation Methods -- Intervention Analysis in Multivariate Time Series via the Kalman Filter -- Estimating the Size of Gypsy Moth Populations using Ratios -- Numerical Survival Rate Estimation for Capture-recapture Models using SAS PROC NLIN -- Sampling Forest Canopy Arthropods Available to Birds as Prey -- Design Based Sampling as a Technique for Estimating Arthropod Population in Cotton over Large Land Masses -- DISCRETE, a Computer Program for Fitting Discrete Frequency Distributions -- Calibration of Biased Sampling Procedures -- Arthropod Sampling Methods in Ornithology: Goals and Pitfalls.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9780387969985
    Language: English
    Keywords: Konferenzschrift
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  • 7
    UID:
    almahu_9947362833602882
    Format: XI, 346p. 124 illus. , online resource.
    ISBN: 9781461238829
    Series Statement: The IMA Volumes in Mathematics and Its Applications, 12
    Content: This IMA Volume in Mathematics and its Applications COMPUTATIONAL FLUID DYNAMICS AND REACTING GAS FLOWS is in part the proceedings of a workshop which was an integral part of the 1986-87 IMA program on SCIENTIFIC COMPUTATION. We are grateful to the Scientific Committee: Bjorn Engquist (Chairman), Roland Glowinski, Mitchell Luskin and Andrew Majda for planning and implementing an exciting and stimulating year-long program. We especially thank the Workshop Organizers, Bjorn Engquist, Mitchell Luskin and Andrew Majda, for organizing a workshop which brought together many of the leading researchers in the area of computational fluid dynamics. George R. Sell Hans Weinberger PREFACE Computational fluid dynamics has always been of central importance in scientific computing. It is also a field which clearly displays the essential theme of interaction between mathematics, physics, and computer science. Therefore, it was natural for the first workshop of the 1986- 87 program on scientific computing at the Institute for Mathematics and Its Applications to concentrate on computational fluid dynamics. In the workshop, more traditional fields were mixed with fields of emerging importance such as reacting gas flows and non-Newtonian flows. The workshop was marked by a high level of interaction and discussion among researchers representing varied "schools of thought" and countries.
    Note: Two-frequency Rayleigh-Taylor and Richtmyer-Meshkov Instabilities -- On the Accuracy of Vortex Methods at Large Times -- Numerical Problems Connected with Weather Prediction -- Vortex Methods for the Incompressible Euler and Navier-Stokes Equations -- On the Numerical Simulation of Turbulent Flows around Vehicles -- Streamline Diffusion Finite Element Methods for Incompressible and Compressible Fluid Flow -- Hyperbolicity, Change of Type, Wave Speeds and Related Matters -- Dynamics of Hot-Spot Evolution in a Reactive, Compressible Flow -- Numerical Prediction of Internal Flows -- On the Universal Role of Turbulence in the Propagation of Deflagrations and Detonations -- Numerical Modeling of the Initiation of Reacting Shock Waves -- On the Accuracy of Finite Element and Finite Difference Predictions of Non-Newtonian Slot Pressures for a Maxwell Fluid -- Flame Propagation and Growth to Detonation in Multiphase Flows -- Computations of Compressible Reactive Flows -- Computation of Flows Containing Edge Vortices -- Large Eddy Interaction with Propagating Flames.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9781461283881
    Language: English
    Keywords: Konferenzschrift
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  • 8
    Online Resource
    Online Resource
    New York, NY :Springer New York :
    UID:
    almahu_9947362994702882
    Format: 120 p. , online resource.
    ISBN: 9781461210948
    Series Statement: Lecture Notes in Statistics, 30
    Content: About fifteen years ago Henning Rodhe and I disscussed the calculation of residence times, or lifetimes, of certain air pollutants for the first time. He was interested in pollutants which were mainly removed from the atmosphere by precipitation scavenging. His idea was to base the calculation on statistical models for the variation of the precipitation i~tensity and not only on the average precipitation intensity. In order to illustrate the importance of taking the variation into account we considered a simple model - here called the Markov model - for the precipitation intensity and computed the distribution of the residence time of an aerosol particle. Our expression for the average residence time - here formula (13- was rather much used by meteorologists. Certainly we were pleased, but while our ambition had been to provide an illustration, our work was merely understood as a proposal for a realistic model. Therefore we found it natural to search for more general models. The mathematical problems involved were the origin of my interest in this field. A brief outline of the background, purpose and content of this paper is given in section 1. It is a pleasure to thank Gunnar Englund, Georg Lindgren, Henning Rodhe and Michael Stein for their substantial help in the pre­ paration of this paper and Iren Patricius for her assistance in typing.
    Note: 1 Introduction -- 2 Some basic probability -- 3 The general model -- 4 Residence times and mean concentrations -- 5 The variance of the concentration -- 6 The Gibbs and Slinn approximation -- 7 Precipitation scavenging -- 8 The concentration process -- A1 Inequalities for the mean concentration -- A2 Conditions for E(c’(t))=0 -- A3 Approximations for “long-lived” particles -- A4 Models with dependent sink and source -- A5 Proof of formula (38) -- References -- Index of references -- Index of notation.
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  • 9
    Online Resource
    Online Resource
    New York, NY :Springer New York :
    UID:
    almahu_9947363071802882
    Format: XVI, 272 p. , online resource.
    ISBN: 9781475762839
    Series Statement: Applied Mathematical Sciences, 77
    Content: If you place a large number of points randomly in the unit square, what is the distribution of the radius of the largest circle containing no points? Of the smallest circle containing 4 points? Why do Brownian sample paths have local maxima but not points of increase, and how nearly do they have points of increase? Given two long strings of letters drawn i. i. d. from a finite alphabet, how long is the longest consecutive (resp. non-consecutive) substring appearing in both strings? If an imaginary particle performs a simple random walk on the vertices of a high-dimensional cube, how long does it take to visit every vertex? If a particle moves under the influence of a potential field and random perturbations of velocity, how long does it take to escape from a deep potential well? If cars on a freeway move with constant speed (random from car to car), what is the longest stretch of empty road you will see during a long journey? If you take a large i. i. d. sample from a 2-dimensional rotationally-invariant distribution, what is the maximum over all half-spaces of the deviation between the empirical and true distributions? These questions cover a wide cross-section of theoretical and applied probability. The common theme is that they all deal with maxima or min­ ima, in some sense.
    Note: A The Heuristic -- B Markov Chain Hitting Times -- C Extremes of Stationary Processes -- D Extremes of Locally Brownian Processes -- E Simple Combinatorics -- F Combinatorics for Processes -- G Exponential Combinatorial Extrema -- H Stochastic Geometry -- I Multi-Dimensional Diffusions -- J Random Fields -- K Brownian Motion: Local Distributions -- L Miscellaneous Examples -- M The Eigenvalue Method -- Postscript.
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    Additional Edition: Printed edition: ISBN 9781441930880
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  • 10
    Online Resource
    Online Resource
    New York, NY :Springer New York,
    UID:
    almahu_9947362984902882
    Format: XIV, 410 p. , online resource.
    ISBN: 9781461248705
    Content: How can we predict the future without asking an astrologer? When a phenomenon is not evolving, experiments can be repeated and observations therefore accumulated; this is what we have done in Volume I. However history does not repeat itself. Prediction of the future can only be based on the evolution observed in the past. Yet certain phenomena are stable enough so that observation in a sufficient interval of time gives usable information on the future or the mechanism of evolution. Technically, the keys to asymptotic statistics are the following: laws of large numbers, central limit theorems, and likelihood calculations. We have sought the shortest route to these theorems by neglecting to present the most general models. The future statistician will use the foundations of the statistics of processes and should satisfy himself about the unity of the methods employed. At the same time, we have adhered as closely as possible to present day ideas of the theory of processes. For those who wish to follow the study of probabilities to postgraduate level, it is not a waste of time to begin with the least difficult technical situations. This book for final year mathematics courses is not the end of the matter. It acts as a springboard either for dealing concretely with the problems of the statistics of processes, or viii In trod uction to study in depth the more subtle aspects of probabilities.
    Note: 0 Introduction to Random Processes -- 0.1. Random Evolution Through Time -- 0.2. Basic Measure Theory -- 0.3. Convergence in Distribution -- 1 Time Series -- 1.1. Second Order Processes -- 1.2. Spatial Processes with Orthogonal Increments -- 1.3. Stationary Second Order Processes -- 1.4. Time Series Statistics -- 2 Martingales in Discrete Time -- 2.1. Some Examples -- 2.2. Martingales -- 2.3. Stopping -- 2.4. Convergence of a Submartingale -- 2.5. Likelihoods -- 2.6. Square Intergrable Martingales -- 2.7. Almost Sure Asymptotic Properties -- 2.8. Central Limit Theorems -- 3 Asymptotic Statistics -- 3.1. Models Dominated at Each Instant -- 3.2. Contrasts -- 3.3. Rate of Convergence of an Estimator -- 3.4. Asymptotic Properties of Tests -- 4 Markov Chains -- 4.1. Introduction and First Tools -- 4.2. Recurrent or Transient States -- 4.3. The Study of a Markov Chain Having a Recurrent State -- 4.4. Statistics of Markov Chains -- 5 Step by Step Decisions -- 5.1. Optimal Stopping -- 5.2. Control of Markov Chains -- 5.3. Sequential Statistics -- 5.4. Large Deviations and Likelihood Tests -- 6 Counting Processes -- 6.1. Renewal Processes and Random Walks -- 6.2. Counting Processes -- 6.3. Poisson Processes -- 6.4. Statistics of Counting Processes -- 7 Processes in Continuous Time -- 7.1. Stopping Times -- 7.2. Martingales in Continuous Time -- 7.3. Processes with Continuous Trajectories -- 7.4. Functional Central Limit Theorems -- 8 Stochastic Integrals -- 8.1. Stochastic Integral with Respect to a Square Integrable Martingale -- 8.2. Ito’s Formula and Stochastic Calculus -- 8.3. Asymptotic Study of Point Processes -- 8.4. Brownian Motion -- 8.5. Regression and Diffusions -- Notations and Conventions.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9781461293392
    Language: English
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