Ulusu, UğurGülle, Esra2022-05-102022-05-102021Ulusu, U. & Gülle, E. (2021). I_2-statistically and I_2-lacunary statistically convergent double set sequences of order η. Bulletin of Mathematical Analysis and Applications, 13(1), 1-15.https://www.emis.de/journals/BMAA/repository/docs/BMAA13-1-1.pdfhttps://hdl.handle.net/20.500.12418/12698In this study, for double set sequences, as a new approach to the notion of statistical convergence of order η, the notions of Wijsman I_2-statistically convergence of order η, Wijsman strong I_2-Ces`aro summability of order η, Wijsman I_2-lacunary statistically convergence of order η and Wijsman strong I_2-lacunary summability of order η are introduced, where 0 < η ≤ 1. Also, some properties of these notions are investigated, some investigations about these are made and the existence of some relationships between them are examined.eninfo:eu-repo/semantics/openAccessOrder ηsequences of setsWijsman convergencedouble sequenceI-convergencestatistical convergencelacunary sequenceArticle131151