|Post-Doctoral Hayoung Choi|
Hayoung Choi received his B.S. degree in Mathematics and M.S. degree in Applied Mathematics at Kyungpook National University, Korea. He completed his Ph.D. in August 2015 at the University of Wyoming(UW), USA. He taught mathematics courses at UW as an adjunct instructor in Fall 2015 - Summer 2016.
He is currently a postdoc at the School of Information Science and Technology at ShanghaiTech University.
 S. Aryal, H. Choi, and F. Jafari. Hamburger moment sequences and their moment
subsequences. Linear and Multilinear Algebra, 65(9):1838–1851, 2017.
 S. Aryal, H. Choi, and F. Jafari. Sparse hamburger moment multisequences. In Problems and Recent Methods in Operator Theory, volume 687 of Contemporary Mathematics, pages 21–30. AMS, 2017.
 H. Choi, J. C. Cockburn, and F. Jafari. Nonlinear systems, moments and moment
completions. In Proceedings of the 22nd International Symposium on Mathematical Theory of Networks and Systems, pages 461–466, Minneapolis, MN., USA, July 11–15, 2016.
 H. Choi and F. Jafari. Positive definite Hankel matrix completions and Hamburger moment completions. Linear Algebra and its Applications, 489:217 –237, 2016.