Speaker
Ahmed Errahmani
Description
n this work, we investigate the running vacuum energy model within f(Q) gravity, where the vacuum equation of state receives dynamical corrections involving (\dot{H}) and (\ddot{H}/H). We consider two models and constrain them using DESI BAO, Pantheon+, cosmic chronometer, and CMB data. Our results indicate mild deviations from (\Lambda)CDM, with Model I remaining statistically competitive, while Model II is disfavored due to its higher complexity and additional parameter.