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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.
    Vir: Computational optimization and applications. - ISSN 0926-6003 (Vol. 55, iss. 1, 2013, str. 137-153)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2013
    Jezik - angleški
    COBISS.SI-ID - 2048184851