TY - JOUR AU - Chocano Feito, Pedro José AU - Luzón, Ana AU - Alonso Morón, Manuel AU - Prieto Martínez, Luis Felipe PY - 2022 UR - https://hdl.handle.net/20.500.14352/72844 AB - We point out how to use the classical characteristic method, that is used to solve quasilinear PDE's, to obtain the matrix exponential of some lower triangle infinite matrices. We use the Lie Frechet structure of the Riordan group described in [4].... LA - eng TI - Characteristic Curves and the exponentiation in the Riordan Lie group: A connection through examples TY - journal article ER -