On Oscillation Properties of Self-Adjoint Boundary Value Problems of Fourth Order
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DOI: 10.1134/s1064562421010166
Abstract: The connection between the number of internal zeros of nontrivial solutions to fourth-order self-adjoint boundary value problems and the inertia index of these problems is studied. We specify the types of problems for which such… read more here.
Keywords: self adjoint; adjoint boundary; fourth order; boundary value ... See more keywords
On 3D and 1D Weyl particles in a 1D box
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DOI: 10.1140/epjp/s13360-020-00820-y
Abstract: We construct the most general families of self-adjoint boundary conditions for three (equivalent) Weyl Hamiltonian operators, each describing a three-dimensional Weyl particle in a one-dimensional box situated along a Cartesian axis. These results are essentially… read more here.
Keywords: weyl; one dimensional; box; self adjoint ... See more keywords