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B. Stat. – 406 |
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Aim of this course | ||||||||||||||||||
To introduce the concepts of sets, classes of events, measure and integral with respect to a measure, random variables and function and probability measure to show their basic properties, and to provide a basis for further studies in Analysis, Probability, and Dynamical Systems.
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Objectives of this course | ||||||||||||||||||
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To describe algebra of sets, relations and the events and classes of events
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To gain understanding of the abstract measure theory and definition and main properties of the integral
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To construct Lebesgue’s measure on the real line and in n-dimensional Euclidean space
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To explain the basic advanced directions of the theory
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To gain the knowledge of probability measure, distribution functions and expectations, convergence of random variable and distribution
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Learning Outcomes of this course | ||||||||||||||||||
Having successfully completed this course, students will be able to demonstrate knowledge and understanding of:
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State and prove theorems using measure theory
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Use the definition of measurable functions to prove limit theorems
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Define and use the Lebesgue integral
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Use conditional expectations and martingales
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Use product integration for calculating multivariate probability distribution functions
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Course Contents | ||||||||||||||||||
Sets and Classes of Events: Algebra of sets, Relations, Open and closed set on Rn, Events and classes of events.
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Measure: s-Algebra, Measurable set, Measurability, Lebesgue measure on the real line, Properties of measures, Borel set.
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Random Variable: Concept, Limit, Simple, Inverse, Measurable, Borel, Characteristic, Random variables as measurable functions.
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Integral of Measurable Function: Lebesgue integral of simple, integrable, and sequences of integrable functions, General and Riemann-Stieltje’s integral.
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Probability Measure: Concept, Simple properties, Discrete, general, and induced probability spaces, Extended probability, Probability measure, Lebesgue-Stieltje’s measure, Signed measure, Borel-Cantelli lemmas, Zero-one law, Kolmogorov’s zero-one law.
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Distribution Function and Expectation: Distribution function (DF) of a random variable and a random vector, Decomposition of DF’s, Correspondence theorem, Expectation and its properties, moments and inequalities.
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Convergence: Types– probability, almost sure, r-th mean, distribution and their relations, Convergence of distribution functions, characteristic functions, and moments.
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Main Books Recommended: | ||||||||||||||||||
1)
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Athreya, K. B., & S. N. Lahiri (2006). Measure theory and probability theory. Springer. | |||||||||||||||||
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Billingsley, P. (2008). Probability and measure. John Wiley & Sons. | |||||||||||||||||
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Ross, S. M. (2014). Introduction to probability models. Academic press. | |||||||||||||||||
References: | ||||||||||||||||||
4)
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Folland, G. B. (2013). Real analysis: modern techniques and their applications. John Wiley & Sons. | |||||||||||||||||
5)
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Gnedenko, B.V. and A. N. Kolmogorov (1984). Limit Distribution for Sums of Independent Random Variables. Addison-Wesley. N.Y. | |||||||||||||||||
6)
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Halmos, P. R. (2006). Measure Theory, Sprnger-Verlag, N.Y. | |||||||||||||||||
7)
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Kallenberg, O. (2002). Foundations of modern probability. springer. | |||||||||||||||||
8)
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Morgan, F. (2008). Geometric measure theory: a beginner’s guide. Academic press. | |||||||||||||||||
9)
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Pitt, H. R. (2012). Integration, measure and probability. Courier Dover Publications. [Borel, Ambrosio] | |||||||||||||||||
10)
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Rudin, W. (1994). Real and Complex Analysis, McGraw-Hill, N.Y. |