To solving multiparameter problems of algebra. 7. The PG-q factorization method and its applications |
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Authors: | V N Kublanovskaya |
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Institution: | (1) St.Petersburg Department of the Steklov Mathematical Institute, St.Petersburg, Russia |
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Abstract: | The paper continues the development of rank-factorization methods for solving certain algebraic problems for multi-parameter
polynomial matrices and introduces a new rank factorization of a q-parameter polynomial m × n matrix F of full row rank (called
the PG-q factorization) of the form F = PG, where
is the greatest left divisor of F; Δ
i
(k)
i is a regular (q-k)-parameter polynomial matrix the characteristic polynomial of which is a primitive polynomial over the
ring of polynomials in q-k-1 variables, and G is a q-parameter polynomial matrix of rank m. The PG-q algorithm is suggested,
and its applications to solving some problems of algebra are presented. Bibliography: 6 titles.
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Translated from Zapiski Nauchnykh Seminarov POMI, Vol. 323, 2005, pp. 150–163. |
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Keywords: | |
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