Let M be an integer matrix with absolute values of all its eigenvalues being greater than 1. We give a characterization of compactly supported M-refinable splines f and the conditions that the shifts of f form a Riesz basis.
Applied Mathematics | Mathematics
He, Tian-Xiao and Guana, Yujing, "Characterization of Compactly Supported Renable Splines with Integer Matrix" (2009). Scholarship. 10.