All Stories

  1. Extended von Bertalanffy Equation in Solow Growth Modelling
  2. Probabilistic Multiple-Integral Evaluation of Odd Dirichlet Beta and Even Zeta Functions and Proof of Digamma-Trigamma Reflections
  3. Introduction to Special Functions for Applied Mathematics
  4. Modeling Odd Nonlinear Oscillators with Fifth-Order Truncated Chebyshev Series
  5. A Novel Family of Starlike Functions Involving Quantum Calculus and a Special Function
  6. Two Approaches for Evaluating the Period Function of Some Hamiltonian Systems
  7. Sharp Second-Order Hankel Determinants Bounds for Alpha-Convex Functions Connected with Modified Sigmoid Functions
  8. Exact time–integral inversion via Čebyšëv quintic approximations for nonlinear oscillators
  9. A Five-Step Block Method Coupled with Symmetric Compact Finite Difference Scheme for Solving Time-Dependent Partial Differential Equations
  10. A Structural Approach to Gudermannian Functions
  11. Fuzzy Esscher changes of measure and copula invariance in Lévy markets
  12. The Wallis Products for Fermat Curves
  13. Connections between normalized Wright functions with families of analytic functions with negative coefficients
  14. Explicit Solution for a Family of Hermann Riccati Differential Equations
  15. A Forgotten Differential Equation Studied by Jacopo Riccati Revisited in Terms of Lie Symmetries
  16. Keplerian trigonometry
  17. Generalized Logistic Equations in Covid-Related Epidemic Models
  18. Hypergeometric Identities Related to Roberts Reductions of Hyperelliptic Integrals
  19. Identities for Catalan’s Constant Arising from Integrals Depending on a Parameter
  20. Aircraft planar trajectories in crosswind navigation: some hypergeometric solutions
  21. Johann Bernoulli's first lecture from the first integral calculus textbook ever written: an annotated translation
  22. Motions about a fixed point by hypergeometric functions: new non-complex analytical solutions and integration of the herpolhode
  23. Evaluation of harmonic sums with integrals
  24. Hypergeometric solutions to a three dimensional dissipative oscillator driven by aperiodic forces
  25. Unsteady Roto-Translational Viscous Flow: analytical Solution to Navier-Stokes Equations in Cylindrical Geometry
  26. Some new inequalities involving generalized Erdelyi-Kober fractional q-integral operator
  27. On computing some special values of multivariate hypergeometric functions
  28. The meridian curve of a wetting drop: a boundary value problem and its elliptic integrals solution
  29. Legendre hyperelliptic integrals, π new formulae and Lauricella functions through the elliptic singular moduli
  30. Nonlinear 1-D Oscillations of a Charge Particle Under Coulomb Forces and Dry Friction
  31. Existence of EOQ and its Evaluation: Some Cases of Stock Blow Down Dynamics Depending on its Level
  32. Mathematical properties of EOQ models with special cost structure
  33. Another Proof of <tex-math> ${\zeta(2)=\frac{\pi^2}{6}}$ </tex-math> Using Double Integrals
  34. Probability of digits by dividing random numbers: A ψ and
  35. Exact Curvature Elastica of a Thin Cantilever Under Terminal Loads
  36. π and the hypergeometric functions of complex argument
  37. Closed form integration of a hyperelliptic, odd powers, undamped oscillator
  38. Exact Solutions of Nonlinear Equation of Rod Deflections Involving the Lauricella Hypergeometric Functions
  39. The hyperelliptic integrals and π
  40. Closed form solution of a periodically forced logistic model
  41. Reply of the Authors to Prof. Neukirch comments
  42. The Goodwin cycle improved with generalized wages: phase portrait, periodic behaviour
  43. Elliptic integral solutions of spatial elastica of a thin straight rod bent under concentrated terminal forces
  44. Relativistic brachistochrones under electric or gravitational uniform fields
  45. A 3-dimensional Eulerian array
  46. Frictionless planar motion of a couple of hinged rods
  47. A nonlinear boundary problem by the inventory’s optimization of a productive system with not wholly quadratic costs
  48. Higher Order Approximation of the Period-energy Function for Single Degree of Freedom Hamiltonian Systems
  49. The Solow model improved through the logistic manpower growth law