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  • Algorithmic aspects of sums of Hermitian squares of noncommutative polynomials
    Burgdorf, Sabine ...
    This paper presents an algorithm and its implementation in the software package NCSOStools for finding sums of Hermitian squares and commutators decompositions for polynomials in noncommuting ... variables. The algorithm is based on noncommutative analogs of the classical Gram matrix method and the Newton polytope method, which allows us to use semidefinite programming. Throughout the paper several examples are given illustrating the results.
    Source: Computational optimization and applications. - ISSN 0926-6003 (Vol. 55, iss. 1, 2013, str. 137-153)
    Type of material - article, component part ; adult, serious
    Publish date - 2013
    Language - english
    COBISS.SI-ID - 2048184851
    DOI