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  • Finite solvable groups with a rational skew-field of noncommutative real rational invariants
    Podlogar, Gregor, matematik
    We consider Noether’s problem on the noncommutative rational functions invariant under a linear action of a finite group. For abelian groups the invariant skew-fields are always rational, for ... solvable group they are rational if the action is well-behaved – given by a so-called complete representation. We determine the groups that admit such representations and call them totally pseudo-unramified. We show that for a solvable group the invariant skew-field is finitely generated. Finally we study totally pseudo-unramified groups and classify totally pseudo-unramified ▫$p$▫-groups of rank at most ▫$5$▫.
    Source: Communications in algebra. - ISSN 0092-7872 (Vol. 51, iss. 6, 2023, str. 2268-2292)
    Type of material - article, component part ; adult, serious
    Publish date - 2023
    Language - english
    COBISS.SI-ID - 200488195

source: Communications in algebra. - ISSN 0092-7872 (Vol. 51, iss. 6, 2023, str. 2268-2292)
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