Počet záznamů: 1  

PT-Symmetric Waveguides and the Lack of Variational Techniques

  1. 1. 0384795 - UJF-V 2013 RIV CH eng J - Článek v odborném periodiku
    Krejčiřík, David
    PT-Symmetric Waveguides and the Lack of Variational Techniques.
    Integral Equations and Operator Theory. Roč. 73, č. 1 (2012), s. 1-2. ISSN 0378-620X
    Institucionální podpora: RVO:61389005
    Klíčová slova: Robin Laplacian * non-self-adjoint boundary conditions * complex symmetric operator * PT-symmetry * waveguides * discrete and essential spectra
    Kód oboru RIV: BA - Obecná matematika
    Impakt faktor: 0.713, rok: 2012

    On a model of waveguide with non-Hermitian Robin-type boundary conditions, we demonstrate the need for a robust method establishing the existence of isolated eigenvalues for non-self-adjoint operators possessing both essential and discrete spectrum.
    Trvalý link: http://hdl.handle.net/11104/0214320