## Changkeun Oh

Changkeun Oh

### Contact Info

Contact Info

**Email**: coh28@wisc.edu

**Office**: 816 Van Vleck Hall

### About me

About me

I am a Ph.D student in Department of Mathematics at University of Wisconsin-Madison. My research interests lie in harmonic analysis. Especially, I am interested in restriction estimates, decoupling inequalities, and their applications.

### Papers

Papers

- Decoupling for two quadratic forms in three variables: a complete characterization (with S. Guo, J. Roos, P.-L. Yung, P. Zorin-Kranich). Preprint.
- Small cap decoupling inequalities: Bilinear methods. Preprint.
- Remarks on Wolff's inequality for hypersurfaces (with S. Guo). To appear in Math. Proc. Camb. Phil. Soc.
- Decouplings for three-dimensional surfaces in R^6. Math. Z. 290 (2018) 389-419.

### Teaching

Teaching

**Spring 2020:**Math 114 - Algebra and Trigonometry**Fall 2019:**Math 234 - Calculus - Functions of Several Variables Math 721 - A First Course in Real Analysis**Spring 2019:**Math 221 - Calculus and Analytic Geometry I**Fall 2018**: Math 421 - The Theory of Single Variable Calculus