All Stories

  1. Exploring the Energy Landscape of the Logarithmic Potential: Local Minima and Stationary States
  2. Lower and upper bounds for configurations of points on a sphere
  3. Thomson problem on a spherical cap
  4. Exploring the Energy Landscape of the Thomson Problem: Local Minima and Stationary States
  5. Fuzzy spheres in stringy matrix models: quantifying chaos in a mixed phase space
  6. Circle packing on spherical caps
  7. Circle packing in arbitrary domains
  8. Thomson problem in the disk
  9. Quantum particles in a suddenly accelerating potential
  10. Echoes of the hexagon: remnants of hexagonal packing inside regular polygons
  11. The heterogeneous helicoseir
  12. Circle packing in regular polygons
  13. Comment on: “On the interaction of an electron with a nonuniform electric field under the influence of a cut-off point induced by the spiral dislocation topology”
  14. Efficient Algorithms for the Dense Packing of Congruent Circles Inside a Square
  15. Computing the solutions of the van der Pol equation to arbitrary precision
  16. An ubiquitous three-term recurrence relation
  17. Spectral sum rules for the Schrödinger equation
  18. On some conditionally solvable quantum-mechanical problems
  19. On the Hellmann-Feynman theorem in statistical mechanics
  20. Quantum particles in a moving potential
  21. Isospectral heterogeneous domains: A numerical study
  22. Weakly (and not so weakly) bound states of a relativistic particle in one dimension
  23. On the straightforward perturbation theory in classical mechanics
  24. Spectral algorithms for multiple scale localized eigenfunctions in infinitely long, slightly bent quantum waveguides
  25. Bound states in weakly deformed waveguides: numerical versus analytical results
  26. High order analysis of the limit cycle of the van der Pol oscillator
  27. Exact sum rules for quantum billiards of arbitrary shape
  28. BOUND STATES IN WEAKLY DEFORMED WAVEGUIDES: NUMERICAL VERSUS ANALYTICAL RESULTS
  29. A quantum-mechanical anharmonic oscillator with a most interesting spectrum
  30. Weakly Bound States in Heterogeneous Waveguides: A Calculation to Fourth Order
  31. Perturbation theory for short-range weakly-attractive potentials in one dimension
  32. Comment on “Thomson rings in a disk”
  33. Comment on: “Ground state energies from converging and diverging power series expansions”, Ann. Phys. 373 (2016) 456–469
  34. Weakly bound states in heterogeneous waveguides
  35. High order eigenvalues for the Helmholtz equation in complicated non-tensor domains through Richardson extrapolation of second order finite differences
  36. Heterogeneous systems in d dimensions: lower spectrum
  37. On the symmetry of three identical interacting particles in a one-dimensional box
  38. HETEROGENEOUS SYSTEMS IN DIMENSIONS: LOWER SPECTRUM
  39. Advanced Modern Physics
  40. Comment on: ‘PT-/non-PT-symmetric and non-Hermitian Hellmann potential: approximate bound and scattering states with any ℓ -values’
  41. Small-energy series for one-dimensional quantum-mechanical models with non-symmetric potentials
  42. Non-Hermitian oscillators withTdsymmetry
  43. Is space-time symmetry a suitable generalization of parity-time symmetry?
  44. Exact sum rules for inhomogeneous systems containing a zero mode
  45. Topics in Modern Physics
  46. Accurate calculation of the solutions to the Thomas–Fermi equations
  47. PT-symmetric strings
  48. Exact sum rules for inhomogeneous strings
  49. One cannot hear the density of a drum (and further aspects of isospectrality)
  50. Exact sum rules for inhomogeneous drums
  51. Introduction to Modern Physics
  52. Comment on ‘Numerical estimates of the spectrum for anharmonic PT symmetric potentials’
  53. Mathematical analysis of recent analytical approximations to the collapse of an empty spherical bubble
  54. Solution to the equations of the moment expansions
  55. Particle correlation from uncorrelated non Born–Oppenheimer SCF wavefunctions
  56. A perturbative approach to the spectral zeta functions of strings, drums, and quantum billiards
  57. Bound states for the quantum dipole moment in two dimensions
  58. Bound states in open-coupled asymmetrical waveguides and quantum wires
  59. Accurate calculation of the bound states of the quantum dipole problem in two dimensions
  60. Accurate calculation of the eigenvalues of non-uniform strings and membranes
  61. High-order connected moments expansion for the Rabi Hamiltonian
  62. Further analysis of the connected moments expansion
  63. The string of variable density: Further results
  64. Spectroscopy of annular drums and quantum rings: Perturbative and nonperturbative results
  65. Comment on ‘Coupled anharmonic oscillators: the Raileigh–Ritz approach versus the collocation approach’
  66. Collocation method for fractional quantum mechanics
  67. The string of variable density: Perturbative and non-perturbative results
  68. Can one hear the density of a drum? Weyl's law for inhomogeneous media
  69. Spectroscopy of drums and quantum billiards: Perturbative and nonperturbative results
  70. Collocation approach to the Helmholtz eigenvalue problem on multiply connected domains
  71. Variational collocation for systems of coupled anharmonic oscillators
  72. One-dimensional oscillator in a box
  73. Rayleigh–Ritz variation method and connected-moments expansions
  74. The virial theorem for nonlinear problems
  75. A new method for studying the vibration of non-homogeneous membranes
  76. Collocation on uniform grids
  77. Eigenvalues from power-series expansions: an alternative approach
  78. Solving the Helmholtz equation for membranes of arbitrary shape: numerical results
  79. Accurate calculation of the complex eigenvalues of the Schrödinger equation with an exponential potential
  80. Inversion of the perturbation series
  81. Variational collocation on finite intervals
  82. Alternative implementation of Padé approximants
  83. Dalgarno–Lewis perturbation theory for scattering states
  84. Gravitational lensing from compact bodies: Analytical results for strong and weak deflection limits
  85. Wronskian perturbation theory
  86. Comment on “Quantization of Friedmann-Robertson-Walker spacetimes in the presence of a negative cosmological constant and radiation”
  87. Alternative representation for nonlocal operators and path integrals
  88. Development of accurate solutions for a classical oscillator
  89. Convergence acceleration of series through a variational approach
  90. Analytical formulas for gravitational lensing: Higher order calculation
  91. Comment on an application of the asymptotic iteration method to a perturbed Coulomb model
  92. Analytical approximations to the spectra of quark–antiquark potentials
  93. A variational sinc collocation method for strong-coupling problems
  94. The IX Mexican Workshop on Particles and Fields
  95. Analytical formulas for gravitational lensing
  96. Dispersion relation of the nonlinear Klein-Gordon equation through a variational method
  97. Alternative perturbation approaches in classical mechanics
  98. One-loop integrals at finite temperature
  99. Asymptotic and exact series representations for the incomplete Gamma function
  100. A new approximation method for time-dependent problems in quantum mechanics
  101. Comparison of alternative improved perturbative methods for nonlinear oscillations
  102. Exact and approximate expressions for the period of anharmonic oscillators
  103. Improved Lindstedt–Poincaré method for the solution of nonlinear problems
  104. The period of a classical oscillator
  105. Systematic perturbation calculation of integrals with applications to physics
  106. Comparative study of quantum anharmonic potentials
  107. High order analysis of nonlinear periodic differential equations
  108. A new method for the solution of the Schrödinger equation
  109. COLOUR SUPERCONDUCTIVITY IN FINITE SYSTEMS
  110. Presenting a new method for the solution of nonlinear problems
  111. Pion dispersion relation at finite density and temperature
  112. Colour Superconductivity in Finite Systems
  113. Color superconductivity in finite systems
  114. Quark distribution functions in nuclear matter
  115. Contrasting and parity-violating asymmetries in nuclei
  116. Relativistic Hamiltonians in many-body theories