KASAHARA, Yukio
 Position
 Researcher
 Organization
 Department of Mathematics
 Research Interest
 Harmonic analysis
 Research Activities

I am studying the prediction problem for stationary processes and related topics. In particular, I am interested in the spectral theory of orthogonal polynomials on the unit circle.
 Paper
 Keywords
 orthogonal polynomials, stationary process
Y. Kasahara and N. H. Bingham, Coefficient stripping in the matricial Nehari problem, J. Approx. Theory 220 (2017) 1–11.
Y. Kasahara, A. Inoue and M. Pourahmadi, Rigidity for matrixvalued Hardy functions, Integr. Equ. Oper. Theory 84 (2016) 289–300.
Y. Kasahara and N. H. Bingham, Verblunsky coefficients and Nehari sequences, Trans. Amer. Math. Soc. 366 (2014) 1363–1378.