Rigorous Spectral Analysis of a Schrödinger Operator with Fractional and Logarithmic Perturbations: Fixed-Point Formulation and Explicit Constants. Sana’a University Journal of Applied Sciences and Technology, [S. l.], v. 4, n. 9, p. 2575–2611, 2026. DOI: 10.59628/jast.v4i9.3539. Disponível em: https://journals.su.edu.ye/index.php/jast/article/view/3539. Acesso em: 29 sep. 2026.