Nonlinear elliptic systems involving Hardy?Sobolev criticalities - López-Soriano, R.; Ortega, A. (Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas, 2023)

Subcritical nonlocal problems with mixed boundary conditions - Molica Bisci, Giovanni; Ortega, Alejandro; Vilasi, Luca (Bulletin of Mathematical Sciences, 2023)

On the Non-degeneracy of the Robin Function for the Fractional Laplacian on Symmetric Domains - Ortega, A. (Bulletin of the Iranian Mathematical Society, 2024)

PERVASIVENESS OF THE p-LAPLACE OPERATOR UNDER LOCALIZATION OF FRACTIONAL g-LAPLACE OPERATORS - Ortega, A. (Journal of Nonlinear and Variational Analysis, 2025)

Existence of solutions for a system with general Hardy?Sobolev singular criticalities - Arroyo, Á.; López-Soriano, R.; Ortega, A. (Calculus of Variations and Partial Differential Equations, 2025)

New Functional Inequalities with Applications to the Arctan-Fast Diffusion Equation - Granero-Belinchón, R.; Magliocca, M.; Ortega, A. (Mediterranean Journal of Mathematics, 2025)

Bound and ground states of coupled ?NLS-KdV? equations with Hardy potential and critical power - Colorado, E.; López-Soriano, R.; Ortega, A. (Journal of Differential Equations, 2023)

Fractional critical systems with mixed boundary conditions - Kumar,R.; Ortega,A. (Zeitschrift fur Angewandte Mathematik und Physik, 2026)

Explicit solutions for the Poisson problem in a ball for the logarithmic Laplacian - Ortega,A. (Carpathian Mathematical Publications, 2026)

Asymptotically linear fractional problems with mixed boundary conditions - Molica Bisci,G.; Ortega,A.; Vilasi,L. (Ricerche di Matematica, 2026)

Nonlocal critical problems with mixed boundary conditions and nearly resonant perturbations - Colorado,E.; Molica Bisci,G.; Ortega,A.; Vilasi,L. (Advances in Calculus of Variations, 2026)

POSITIVE SOLUTIONS FOR A WEIGHTED CRITICAL PROBLEM WITH MIXED BOUNDARY CONDITIONS - Ortega,A.; Vilasi,L.; Wang,Y. (Discrete and Continuous Dynamical Systems - Series B, 2026)