vol. 43, no. 4 (2023)
The heat equation on time scales
Tom Cuchta, Rui A.C. Ferreira
Opuscula Math. 43, no. 4 (2023), 475-491,
https://doi.org/10.7494/OpMath.2023.43.4.475
Generalized derivations and generalized exponential monomials on hypergroups
Żywilla Fechner, Eszter Gselmann, László Székelyhidi
Opuscula Math. 43, no. 4 (2023), 493-505,
https://doi.org/10.7494/OpMath.2023.43.4.493
Periodic, nonperiodic, and chaotic solutions for a class of difference equations with negative feedback
Benjamin B. Kennedy
Opuscula Math. 43, no. 4 (2023), 507-546,
https://doi.org/10.7494/OpMath.2023.43.4.507
On the existence of optimal solutions to the Lagrange problem governed by a nonlinear Goursat-Darboux problem of fractional order
Marek Majewski
Opuscula Math. 43, no. 4 (2023), 547-558,
https://doi.org/10.7494/OpMath.2023.43.4.547
The first eigencurve for a Neumann boundary problem involving p-Laplacian with essentially bounded weights
Ahmed Sanhaji, Ahmed Dakkak, Mimoun Moussaoui
Opuscula Math. 43, no. 4 (2023), 559-574,
https://doi.org/10.7494/OpMath.2023.43.4.559
Bernstein operational matrix of differentiation and collocation approach for a class of three-point singular BVPs: error estimate and convergence analysis
Nikhil Sriwastav, Amit K. Barnwal, Abdul-Majid Wazwaz, Mehakpreet Singh
Opuscula Math. 43, no. 4 (2023), 575-601,
https://doi.org/10.7494/OpMath.2023.43.4.575
Solutions for a nonhomogeneous p&q-Laplacian problem via variational methods and sub-supersolution technique
Leandro S. Tavares, J. Vanterler C. Sousa
Opuscula Math. 43, no. 4 (2023), 603-613,
https://doi.org/10.7494/OpMath.2023.43.4.603