Conference paper
Generalized ambiguity functions and wavelets
E. Feig, C.A. Micchelli
Multidimensional Signal Processing Workshop 1989
We extend the work of Aissen, Schoenberg, Whitney, and Edrei, who characterized the symbol of a totally positive Toe- plitz matrix, to characterizing the determinant of the symbol of a block Toeplitz totally positive matrix. As a consequence of our arguments we show that the symbol for the block Toeplitz case may be factored just as in the Toeplitz setting. © 1986 Rocky Mountain Mathematics Consortium.
E. Feig, C.A. Micchelli
Multidimensional Signal Processing Workshop 1989
C.A. Micchelli
Computing
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Proceedings of the Royal Society of Edinburgh: Section A Mathematics