TY - JOUR AU - Sanz Gil, Javier AU - Schindl, Gerhard AU - Jiménez Garrido, Jesús Javier PY - 2021 SN - 1422-6383 UR - https://uvadoc.uva.es/handle/10324/51012 AB - We characterize the equality between ultradifferentiable function classes defined in terms of abstractly given weight matrices and in terms of the corresponding matrix of associated weight functions by using new growth indices. These indices, defined... LA - eng PB - Springer KW - Classes of ultradifferentiable functions KW - Weight sequences KW - Functions and matrices KW - Growth indices KW - O-regular variation TI - Equality of ultradifferentiable classes by means of indices of mixed o-regular variation DO - 10.1007/s00025-021-01566-4 ER -