Department of Mathematics

Fourier Analysis, MTH 496-001

Schedule and Topics Covered

Date Topic/Section Assignments and Reading
1/9Welcome, and DFT Matrices-Read Syllabus
1/11Discrete Convolution & Applications
1/13The Fast Fourier TransformHomework 1 Due 1/23
the .tex file
1/16Holiday - no class
1/18Trigonometric Polynomials
1/20Trigonometric Polynomials, the DFT, and Aliasing
1/23Solving the Poisson and Heat Equations
Homework 1 Due in Class Today!
Read Chapter 1 of Folland
1/25Fourier Series of Periodic FunctionsHomework 2 Due 2/6
the .tex file
1/27Fourier Series of Periodic Functions
1/30Convergence Issues: Bessel's InequalityRead Section 2.1 of Folland
2/1Toward Pointwise Convergence of Fourier Series
2/3The Dirichlet kernel
2/6Pointwise Convergence of Fourier Series for Piecewise Smooth Functions
Homework 2 Due in Class Today!
Read Section 2.2 of Folland
2/8Uniform Convergence of Fourier Series, and Rates of Convergence for Continuous FunctionsHomework 3 Due 2/27
the .tex file
2/10Fourier Series on Arbitrary IntervalsRead Section 2.3 of Folland
2/13Some Final Properties of Fourier SeriesRead Section 2.4 of Folland
2/15No Class Today - CAPS has a lot of useful counseling resources available for students in need.
2/17No Class Today
2/20Inner Product SpacesRead Sections 3.1 and 3.2 of Folland
2/22Abstract Hilbert SpacesRead Section 3.3 of Folland
2/24The Fourier Basis of L2[-π,π]
2/27The Fourier Transform and Convolutions on R
Homework 3 Due in Class Today!
Read Folland Chapter 7 through Section 7.1
3/1Compactly Supported Continuous Functions are Dense in L2(R)Homework 4 Due 3/22
the .tex file
3/3Convolutions and Mollification
3/6 Spring Break - no class
3/8 Spring Break - no class
3/10 Spring Break - no class
3/13Midterm Exam Today!!!
3/15C0 is Dense in L2(R)
3/17The Fourier Transform is Invertible
3/20The Fourier Transform is InvertibleRead Sections 7.1 and 7.2 of Folland
3/22 The Nyquist-Shannon Sampling Theorem
Homework 4 Due in Class Today!
Homework 5 Due 4/7
the .tex file
3/24 Sampling Theorem and Higher Dim. Fourier Series
- Project topics (if you want to do one) are due today!
- Exam corrections (if you want to do them) are due today!
Read Section 7.3 of Folland
3/27 The Short-Time Fourier Transform (STFT)
3/29 Why Distributions? Read Section 9.1 of Folland
3/31 Distribution Basics
4/3 Distribution Basics
4/5 Weak Convergence Read Section 9.2 of Folland
4/7 Distributional Convolution
Homework 5 Due in Class Today!
Homework 6 Due 4/21
the .tex file
4/10 Distributions are Weak Limits of C functions
4/12 Support of Distributions
4/14 Periodic Distributions and Fourier Series Read Section 9.3 of Folland
4/17 Fourier Transform of a Tempered Distribution
IF DOING A PROJECT: Turn in a rough draft of your report and presentation materials.
4/19 Review
4/21 Review
Homework 6 Due in Class Today!
4/24 - Fourier Methods for Determining Crystal Properties (Kaedon)
- Fourier Analysis in Quantum Mechanics (Rana and Jenny)
4/26 - Navier-Stokes and Fourier (Sepehr)
- Sparse Fourier Transforms and Applications (Xin)
4/28 Review
5/2 Final Exam Time 12:45pm - 2:45pm