CONVERGENCE RATES OF MARKOV CHAINS

Markov chains for which the convergence rate is of particular interest: (1) the random-to-top shuffling model and (2) the Ehrenfest urn model. Along the way we will encounter a number of fundamental concepts and techniques, notably reversibility, total variation distance, and

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MARKOV CHAINS: BASIC THEORY - University of Chicago

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MARKOV CHAINS: BASIC THEORY 3 Definition 2. A nonnegative matrix is a matrix with nonnegative entries. A stochastic matrix is a square nonnegative matrix all of whose row sums are 1. A substochastic matrix is a square nonnegative matrix all of whose row sums are 1.

  Chain, Markov, Markov chain

Prologue - University of Chicago

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LECTURE 5: BROWNIAN MOTION 1. Prologue We have seen in previous lectures that, for discrete multiperiod markets which admit no …

  Prologue

Bernoulli Distribution - University of Chicago

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Bernoulli Distribution Example: Toss of coin Deflne X = 1 if head comes up and X = 0 if tail comes up. Both realizations are equally likely: (X = 1) = (X = 0) = 1 2

  Distribution, Bernoulli distribution, Bernoulli

A Review of Methods for Missing Data - University …

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Educational Research and Evaluation 1380-3611/01/0704-353$16.00 2001, Vol. 7, No. 4, pp. 353–383 # Swets & Zeitlinger A Review of Methods for Missing Data …

  Data, Missing, Missing data

Department of Statistics, University of Chicago

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Department of Statistics, Columbia University PER A. MYKLAND Department of Statistics, University of Chicago We propose a methodology for evaluating the hedging errors of derivative securities due to the discreteness of trading times or the observation times of market prices, or

  Department, University, Statistics, Chicago, Department of statistics, University of chicago

Chapter 3. Multivariate Distributions.

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3-1 Chapter 3. Multivariate Distributions. ... structure to include multivariate distributions, the probability distributions of pairs of random variables, triplets of random variables, and so forth. We will begin with the simplest such situation, that of pairs of ... describes a surface in 3-dimensional space, and the probability that (X;Y) ...

  Chapter, Distribution, Chapter 3, Probability, Multivariate, Multivariate distributions

ONE-DIMENSIONAL RANDOM WALKS

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post- y process is just an independent simple random walk started at y. But (10) (with the roles of x,y reversed) implies that this random walk must eventually visit x. When this happens, the random walk restarts again, so it will go back to y, and so on. Thus, by an easy induction argu-ment (see Corollary 14 below): Theorem 4.

  Process, Dimensional, Walk, Random, One dimensional random walks

CONDITIONAL EXPECTATION AND MARTINGALES

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conditional expectations behave like ordinary expectations, with random quantities that are functions of the conditioning random variable being treated as constants.2 Let Y be a random variable, vector, or object valued in a measurable space, and let X be an integrable random variable (that is, a random variable with EjXj˙1).

  Expectations, Random, Conditional, Martingales, Conditional expectation and martingales

BROWNIAN MOTION - Department of Statistics

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Many stochastic processes behave, at least for long stretches of time, like random walks with small but frequent jumps. The argument above suggests that such processes will look, at least approximately, and on the appropriate time scale, like Brownian motion. Second, it suggests that many important “statistics” of the random walk will have lim-

  Processes, Statistics, Stochastic, Stochastic processes

CONDITIONAL EXPECTATION AND MARTINGALES

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adapted sequence of integrable real-valued random variables, that is, a sequence with the prop-erty that for each n the random variable Xn is measurable relative to Fn and such that EjXnj˙ 1. The sequence X0,X1,... is said to be a martingale relative to the filtration {Fn}n‚0 if it is adapted and if for every n, (1) E(Xn¯1 jFn) ˘ Xn.

  Variable, Measurable, Random, Random variables

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Math 312 Lecture Notes Markov Chains - Colgate University

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Math 312 Lecture Notes Markov Chains Warren Weckesser Department of Mathematics Colgate University Updated, 30 April 2005 Markov Chains A ( nite) Markov chain is a process with a nite number of states (or outcomes, or events) in which

  Chain, Markov, Markov chain

CS 547 Lecture 35: Markov Chains and Queues

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Continuous Time Markov Chains Our previous examples focused on discrete time Markov chains with a finite number of states. Queueing models, by contrast, may have an infinite number of states (because the buffer may contain any number of ... which are treated the same as any other transition in a Markov …

  Chain, Markov, Markov chain

Key words. AMS subject classifications.

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Markov chains in the new domain of communication systems, processing “symbol by symbol” [30] as Markov was the first to do. However, Shannon went beyond Markov’s work with his information theory application. Shannon used Markov chains not solely

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CS 547 Lecture 34: Markov Chains

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CS 547 Lecture 34: Markov Chains Daniel Myers State Transition Models A Markov chain is a model consisting of a group of states and specified transitions between the states. Older texts on queueing theory prefer to derive most of their results using Markov models, as opposed to the mean

  Lecture, Chain, Markov, Markov chain, Cs 547 lecture 34

On the Markov Chain Central Limit Theorem - Statistics

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On the Markov Chain Central Limit Theorem Galin L. Jones School of Statistics University of Minnesota Minneapolis, MN, USA galin@stat.umn.edu Abstract The goal of this paper is to describe conditions which guarantee a central limit theorem for functionals of general state space Markov chains. This is done with a view towards Markov

  Chain, Central, Limits, Theorem, Markov, Markov chain, The markov chain central limit theorem

An introduction to Markov chains - web.math.ku.dk

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pects of the theory for time-homogeneous Markov chains in discrete and continuous time on finite or countable state spaces. The back bone of this work is the collection of examples and exer-

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4. Markov Chains - Statistics

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Example: physical systems.If the state space contains the masses, velocities and accelerations of particles subject to Newton’s laws of mechanics, the system in Markovian (but not random!)

  Chain, Markov, Markov chain

Markov Chains (Part 2) - University of Washington

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General Markov Chains • For a general Markov chain with states 0,1,…,M, the n-step transition from i to j means the process goes from i to j in n time steps

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Markov Chains - University of Washington

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Markov Chains - 5 Stochastic Processes • Suppose now we take a series of observations of that random variable, X 0, X 1, X 2,… • A stochastic process is an indexed collection of random

  University, Chain, Washington, University of washington, Markov, Markov chain

MARKOV CHAINS: BASIC THEORY - University of Chicago

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MARKOV CHAINS: BASIC THEORY 3 Definition 2. A nonnegative matrix is a matrix with nonnegative entries. A stochastic matrix is a square nonnegative matrix all of whose row sums are 1. A substochastic matrix is a square nonnegative matrix all of whose row sums are 1.

  Chain, Markov, Markov chain

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