scientific article
zbMath0531.65072MaRDI QIDQ3313245
Publication date: 1983
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
spectrumdiscrete Mathieu equationhamiltonianalmost periodic Schrödinger operatorKolmogorov-Arnold-Moser methodsmetal- insulator transition
Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Difference operators (39A70) Finite difference methods for boundary value problems involving PDEs (65N06) Partial differential equations of mathematical physics and other areas of application (35Q99) Applications to the sciences (65Z05) Special ordinary differential equations (Mathieu, Hill, Bessel, etc.) (34B30)
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