## Local improvements of lower bounds for valuations of solutions of linear difference systems with meromorphic coefficients

- M. I. Baranov
- Programming and Computer Software
- 2014

The paper presents an algorithm for improvement (degree reduction) of universal denominators, which are used, for example, for constructing rational solutions of linear differential and difference systems with polynomial coefficients. A variant of Zeilberger’s algorithm is described; it uses construction of universal denominator instead of application of… (More)

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