57 results on '"Lotoreichik, Vladimir"'
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2. Spectral Isoperimetric Inequality for the δ′-Interaction on a Contour
3. Self‐adjointness for the MIT bag model on an unbounded cone
4. Reverse Isoperimetric Inequality for the Lowest Robin Eigenvalue of a Triangle
5. The fate of Landau levels under $\delta$-interactions
6. An isoperimetric inequality for the perturbed Robin bi-Laplacian in a planar exterior domain
7. Trace formulae for Schrödinger operators with singular interactions
8. Spectral isoperimetric inequalities for Robin Laplacians on 2-manifolds and unbounded cones
9. General $\delta$-shell interactions for the two-dimensional Dirac operator: self-adjointness and approximation
10. Correction to: On the Isoperimetric Inequality for the Magnetic Robin Laplacian with Negative Boundary Parameter
11. Self-adjointness of the 2D Dirac Operator with Singular Interactions Supported on Star Graphs
12. Spectral optimization for Robin Laplacian on domains admitting parallel coordinates
13. On the Isoperimetric Inequality for the Magnetic Robin Laplacian with Negative Boundary Parameter
14. An Eigenvalue Inequality for Schrödinger Operators with δ- and δ’-interactions Supported on Hypersurfaces
15. Trace Hardy inequality for the Euclidean space with a cut and its applications
16. A Variational Formulation for Dirac Operators in Bounded Domains. Applications to Spectral Geometric Inequalities
17. Optimization of the lowest eigenvalue of a soft quantum ring
18. Schatten-von Neumann Estimates for Resolvent Differences of Robin Laplacians on a Half-space
19. Spectral analysis of the multidimensional diffusion operator with random jumps from the boundary
20. Faber–Krahn inequalities for Schrödinger operators with point and with Coulomb interactions
21. Spectral Asymptotics of the Dirichlet Laplacian on a Generalized Parabolic Layer
22. Self-adjoint extensions of the two-valley Dirac operator with discontinuous infinite mass boundary conditions
23. The Landau Hamiltonian with δ-potentials supported on curves
24. A Sharp Upper Bound on the Spectral Gap for Graphene Quantum Dots
25. On Dirac operators in $$\mathbb {R}^3$$ R 3 with electrostatic and Lorentz scalar $$\delta $$ δ -shell interactions
26. Optimisation of the Lowest Robin Eigenvalue in the Exterior of a Compact Set, II: Non-Convex Domains and Higher Dimensions
27. Spectral analysis of photonic crystals made of thin rods
28. Spectral enclosures for non-self-adjoint extensions of symmetric operators
29. On the Bound States of Magnetic Laplacians on Wedges
30. The minimally anisotropic metric operator in quasi-Hermitian quantum mechanics
31. On the spectral properties of Dirac operators with electrostatic δ-shell interactions
32. Spectral isoperimetric inequalities for singular interactions on open arcs
33. Optimization of the lowest eigenvalue for leaky star graphs
34. Asymptotics of the bound state induced by δ-interaction supported on a weakly deformed plane
35. Eigenvalue inequalities for the Laplacian with mixed boundary conditions
36. Quasi boundary triples and semi-bounded self-adjoint extensions
37. Spectral and resonance properties of the Smilansky Hamiltonian
38. A spectral isoperimetric inequality for cones
39. Spectra of definite type in waveguide models
40. Spectral Theory for Schrödinger Operators with $$\varvec{\delta }$$ δ -Interactions Supported on Curves in $$\varvec{\mathbb {R}^3}$$ R 3
41. Approximation of Schrödinger operators with δ-interactions supported on hypersurfaces
42. On the bound states of Schrödinger operators with δ-interactions on conical surfaces
43. On absence of bound states for weakly attractiveδ′-interactions supported on non-closed curves in ℝ2
44. Convergence of 2D‐Schrödinger operators with local scaled short‐range interactions to a Hamiltonian with infinitely many δ‐point interactions
45. Weakly coupled bound state of 2-D Schrödinger operator with potential-measure
46. Schrödinger operators with δ- and δ′-interactions on Lipschitz surfaces and chromatic numbers of associated partitions
47. Spectral Analysis of the Half-Line Kronig–Penney Model with Wigner–Von Neumann Perturbations
48. Lower bounds on the norms of extension operators for Lipschitz domains
49. Essential spectrum of Schrödinger operators with δ-interactions on the union of compact Lipschitz hypersurfaces
50. Spectral Estimates for Resolvent Differences of Self-Adjoint Elliptic Operators
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