Search for the f(R, T) gravity functional form via gaussian processes J. A. S. Fortunato, P. H. R. S. Moraes, J. G. de Lima Júnior and E. Brito Eur. Phys. J. C, 84 2 (2024) 198 Published online: 26 February 2024 DOI: 10.1140/epjc/s10052-024-12544-9