Ramírez-Páramo, Alejandro; Tenorio, Jesús F.(Universitat Politècnica de València, 2019-04-01)
[EN] The main aim of this paper is to present a technical result, which provides an algorithm to prove several cardinal inequalities and relative versions of cardinal inequalities related. Moreover, we use this result and ...
Lin, Shou(Universitat Politècnica de València, 2006-04-01)
[EN] The purpose of this paper is to give higher cardinality versions of countable fan tightness of function spaces obtained by A. Arhangel’skiı. Let vet(X), ωH(X) and H(X) denote respectively the fan tightness, ω-Hurewicz ...