MATH 607 Section 601
Real Variables I
Fall 2022
Instructor: Florent Baudier
Office: Blocker 525J
Office hours: Tuesdays 10:30 a.m.-noon or by appointment
Lectures: TR 2:20 p.m.-3:25 p.m. BLOC 110
Course description: Lebesgue measure and integration theory, differentiation, Lp-spaces, abstract integration, signed measures, Radon-Nikodym theorem, Riesz representation theorem, integration on product spaces
Textbook:
Real Analysis (Modern Techniques and Their Applications), Second Edition, Gerald B. Folland
Exams
Midterm Exam : Thursday, October 13, 2022 2:20 p.m.-3:35 p.m. (classroom: Blocker 110)
Final exam: Tuesday, December 14, 2022, 1:00-3:00 p.m. (in the regular classroom).
Homework  
Schedule i
Date of Class Material covered
Thursday 08/25 general introduction, defects of the Riemann integral
Tuesday 08/30 algebras, sigma-algebras, Borel sigma-algebra
Thursday 09/01 generation of the Borel sigma-algebra, elementary systems, abstract measures
Tuesday 09/06 Homework #1 due ,basic properties of abstract measures and basic examples of measures
Thursday 09/08 uniqueness of measures: pi-systems, Dynkin systems, Dynkin theorem, application to the characterization of measures
Tuesday 09/13 uniqueness of the Lebesgue measure, outer measures, Caratheodory theorem
Thursday 09/15 Homework #2 due , premeasures, completeness of measures, Lebesgue-Stieltjes premeasures on the line
Tuesday 09/20 Lebesgue-Stieltjes premeasures on the line, extending premeasures to measures via outer measures
Thursday 09/22 Homework #3 due , Lebesgue measure on the line: construction and properties, Lebesgue measurable sets and comparison with Borel sets.
Tuesday 09/27 abstract measurable functions, Borel sigma-algebra of the extended real line, extended-real valued measurable functions
Thursday 09/29 Homework #4 due (extended to Monday October 3) ,stability of measurability under elementary operations, approximation by simple functions of nonnegative measurable funtions
Tuesday 10/04 Lebesgue integration of nonnegative simple and measurable functions: definition and basic properties
Thursday 10/06 Homework #5 due, Beppo-Levi monotone onvergence theorem, Fatou Lemma
Tuesday 10/11 Fall break, no classes
Thursday 10/13 MIDTERM, Midterm review problems
Tuesday 10/18 Lebesgue integrable functions, Dominated Convergence Theorem
Thursday 10/20 Homework #6 due , modes of convergence
Tuesday 10/25 product sigma algebras and product measures
Thursday 10/27 Homework #7 due (extended to Monday 10/31 8am) , Fubini-Tonelli theorems
Tuesday 11/01 n-dimensional Lebesgue measure, change of variable
Thursday 11/03 Homework #8 due , signed measures, Hahn decomposition
Tuesday 11/08 mutual singularity, Jordan decomposition, absolute continuity
Thursday 11/10 Homework #9 due , Radon-Nikodym theorem, Lebesgue decomposition
Tuesday 11/15 Basic covering lemma, maximal function, weak Hardy-Littlewood maximal function inequality
Thursday 11/17 Homework #10 due (extended to Tuesday November 22), Vitali covering theorem, Lebesgue differentiation theorem
Tuesday 11/22 continuity and differentiability of monotone functions
Thursday 11/24 Thanksgiving
Tuesday 11/29 functions of bounded variation, Jordan decomposition, absolute continuity
Thursday 12/01 Homework #11 due uniform integrability, fundamental theorem of calculus for the Lebesgue integral
Tuesday 12/06 uniform integrability, fundamental theorem of calculus for the Lebesgue integral
Thursday 12/08 no classes
Wednesday 12/14 Final exam