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  • Infinite quantum graphs
    Kostenko, Aleksej Sergejevič, 1980- ...
    Infinite quantum graphs with ▫$\delta$▫-interactions at vertices are studied without any assumptions on the lengths of edges of the underlying metric graphs. A connection between spectral properties ... of a quantum graph and a certain discrete Laplacian given on a graph with infinitely many vertices and edges is established. In particular, it is shown that these operators are self-adjoint, lower semibounded, nonnegative, discrete, etc. only simultaneously.
    Source: Doklady. Mathematics. - ISSN 1064-5624 (Vol. 95, no. 1, 2017, str. 31-26)
    Type of material - article, component part ; adult, serious
    Publish date - 2017
    Language - english
    COBISS.SI-ID - 18345049

source: Doklady. Mathematics. - ISSN 1064-5624 (Vol. 95, no. 1, 2017, str. 31-26)
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