TY - GEN AU - Lizama, Carlos AU - Murillo Arcila, Marina A4 - Matemáticas PY - 2026 SN - 0893-9659 UR - http://hdl.handle.net/10498/37335 AB - We investigate a class of abstract fractional evolution equations governed by convolution-type derivatives associated with Sonine kernels. These generalized derivatives encompass several known fractional operators, including the Caputo--Dzhrbashyan... LA - eng PB - Elsevier TI - Fundamental Solutions for Abstract Fractional Evolution Equations with Generalized Convolution Operators DO - 10.1016/j.aml.2025.109767 ER -