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Probability Theory
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Probability theory
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Academic year 2023/2024
- Course ID
- MAT0034
- Teachers
- Laura Lea Sacerdote (Lecturer)
Bruno Toaldo (Lecturer)
Elena Issoglio (Lecturer) - Year
- 1st year
- Teaching period
- First semester
- Type
- D.M. 270 TAF B - Distinctive
- Credits/Recognition
- 9
- Course disciplinary sector (SSD)
- MAT/06 - probability and statistics
- Delivery
- Class Lectures
- Language
- English
- Attendance
- Optional
- Type of examination
- Written and oral
- Prerequisites
- An undergrauate level class in Probability. Good knowledge of real analysis and measure theory. Good abilities in elementary probabilistic problem solving are also necessary for the success in this class.
- Propedeutic for
- Stochastic Processes, Statistics for Stochastic Processes and EDS-Stochastic Dfferential Equations use concepts and tools introduced in this course.
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Sommario del corso
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Course objectives
Topics taught in this class are essential tools required to a statistician and a probabilist. They are fundamental for any modern mathematician. Students re-think to subjects of their undergraduate studies with a different level of abstraction.This new approach allows them to control some advanced methods of probability theory, useful for applications as well as for research.
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Results of learning outcomes
Knowledge and Understanding
Students attain a detailed knowledge of the foundations of modern theory of probability and related topics in measure theory.
Applying Knowledge and Understanding
Students attain good ability in probabilistic problem solving becoming able to deal both with theoretical and applied problems related with conditional expectation, convergence features, characteristic functions and martingales.
Making Judgements and Learning Skills
Students become able to prove new results related with the studied theory and to deepen topics by looking at suitable scientific articles and alternative textbooks.
Communication Skills
Students become able to properly use English and probability to correctly present in written and oral forms their theoretical studies and the results of exercises and homeworks.
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Program
- Overview of elementary probability
- Construction of probability measures on R and random variables
- Integrals with respect to probability measures
- Independent random variables
- Distributions on Rn
- Sums of random variables
- 0-1 Laws
- Convergence of sequences of random variables
- Weak convergence and characteristic functions
- Laws of large numbers and central limit theorem
- Conditional expectations
- Discrete time martingales
- Optional stopping
- Doob decomposition
- Martingale inequalities
- Convergence properties of discrete time martingales
- Introduction to continuous time martingales
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Course delivery
The teaching course is composed of 72 hours of lectures (including 16 hours of exercises). Supporting material will be made available on Moodle in due time.
The lectures will be in presence with exceptions in accordance with university regulations.
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Learning assessment methods
The final exam includes both a written and an oral test. The written test is valid until the following oral exam and requires the solution of two exercises and the proof of a theorem, proposition, property (selected from those discussed during lectures). It is mandatory to pass this test to be admitted to the oral test. Only for the winter session, the written test is reduced to one exercise on martingales and the proof of a theorem if the student has passed the homeworks given during the lessons. The use of textbooks and personal notes during the written test is not allowed. The oral examination includes a discussion on the written test as well as two questions. The list of the possible questions for the oral examination will be provided in advance. The final grade is determined in the following way: let x = MAX(grade of written exam, grade of oral exam), y = MIN(grade of written exam, grade of oral exam); the final grade is given by z = 0.7*x + 0.3*y and then rounding it to the closest integer.
Students must register on the exams web-page to be admitted to the written/oral exams (in time). Unregistered students will not be admitted to exams being impossible to register their final mark.
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Support activities
The teaching course include exercises classes; extra exercises are suggested as homework.
Suggested readings and bibliography
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Textbooks:
- Çınlar, E., "Probability and Stochastics", Springer, 2011.
- Schilling, R., Measures, Integrals and Martingales, 2nd edition, Cambridge University Press, 2017.
- Durrett, R., "Probability: Theory and Examples", Cambridge, 2010.
Further suggested books:
- Williams, D., "Probability with Martingales", Cambridge University Press, 2001;
- Shiryaev, A.N., "Probability", Springer, 1996;
- Billingsey, P., "Probability and Measure", Wiley-Interscience, 1995;
- Feller, W. "Introduction to Probability Theory and Applications", 2 Volumes, Wiley, 2008;
- Varadhan, S.R.S., "Probability Theory", AMS, 2001;
- Jacod, J., Protter, P., "Probability Essentials", Springer, 2004.
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Class schedule
- Enroll
- Closed
- Enrollment opening date
- 01/09/2022 at 00:00
- Enrollment closing date
- 30/06/2023 at 00:00
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