Talo, ÖSen, AÇoskun, H2024-07-182024-07-18http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/6597UNIV NIS, FAC SCI MATHArticleIn this paper, we present statistical weighted mean (briefly, ((N) over bar, p, q, 1, 1)) summability method for double sequences of fuzzy numbers and give necessary and sufficient Tauberian conditions under which statistical convergence of a double sequence of fuzzy numbers follows from its statistical ((N) over bar, p, q, 1, 1) summability. Furthermore, we apply our new method of summability to prove a fuzzy Korovkin type approximation theorem for a double sequence of fuzzy positive linear operators.SUMMABLE DOUBLE SEQUENCES