TY - JOUR AU - Jiménez Garrido, Javier AU - Miguel Cantero, Ignacio AU - Sanz Gil, Javier AU - Schindl, Gerhard PY - 2023 SN - 1422-6383 UR - https://uvadoc.uva.es/handle/10324/59000 AB - We construct optimal flat functions in Carleman–Roumieu ultraholomorphic classes associated to general strongly nonquasianalytic weight sequences, and defined on sectors of suitably restricted opening. A general procedure is presented in order to... LA - eng PB - Springer KW - Carleman–Roumieu ultraholomorphic classes KW - Asymptotic expansions KW - Linear extension operators TI - Optimal flat functions in Carleman–Roumieu ultraholomorphic classes in sectors DO - 10.1007/s00025-023-01859-w ER -