Yemon Choi
B.A., Ph.D.
Assistant Professor
Office: McLean Hall 205
Phone: 966-6083
Email: choi@math.usask.ca
Website: http://math.usask.ca/~choi
Research
Homological/categorical methods and viewpoints in functional analysis.
Abstract harmonic analysis, specifically the structure of various Fourier algebras.
Convolution operators and algebras arising from group and semigroup representations.
Cohomology of Banach algebras, with particular interest in higher-degree phenomena.
Publications (Most Recent)
- Y. Choi, F. Ghahramani. "Approximate amenability of Schatten classes, Lipschitz algebras and second duals of Fourier algebras." Quarterly Journal of Mathematics (Oxford) 62, 1 (2011): 39-58.
- Y. Choi, M. J. Heath. "Characterizing derivations from the disk algebra to its dual." Proceedings of the American Mathematical Society 139, 3 (2011): 1073-1080.
- Y. Choi, M. J. Heath. "Translation-finite sets and weakly compact derivations from $\ell^1(Z_+)$ to its dual." Bulletin of the London Mathematical Society 42, 3 (2010): 429-440.
- Y. Choi. "Group representations with empty residual spectrum." Integral Equations and Operator Theory 67, 1 (2010): 95-107.
- Y. Choi. "Hochschild homology and cohomology of $l^1(Z_k^+)$." Quarterly Journal of Mathematics (Oxford) 61, 1 (2010): 1-28.



