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On General Factorizations for n-D Polynomial Matrices

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Abstract

Multivariate (n-D) polynomial matrix factorizations are basic research subjects in multidimensional (n-D) systems and signal processing. In this paper, several results on general matrix factorizations are provided for extracting a matrix factor from a given n-D polynomial matrix whose lower order minors satisfy certain conditions. These results are further generalizations of previous results in (Lin et al. in Circuits Syst. Signal Process. 20(6):601–618, 2001). As a consequence, the application range of the constructive algorithm in (Lin et al. in Circuits Syst. Signal Process. 20(6):601–618, 2001) has been greatly extended. Three examples are worked out in detail to show the practical value of the proposed method for obtaining general factorizations for a class of n-D polynomial matrices.

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Correspondence to Mingsheng Wang.

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Liu was supported in part by the Natural Science Foundation of China under Grant (10771058), and Wang was partially supported by the Natural Science Foundation of China under Grant (60970134), and the 973 project under Grant (2007CB311201).

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Liu, J., Li, D. & Wang, M. On General Factorizations for n-D Polynomial Matrices. Circuits Syst Signal Process 30, 553–566 (2011). https://doi.org/10.1007/s00034-010-9229-x

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