... An introduction to 2-fuzzy n-normed linear spaces and a new perspective to the Mazur–Ulam problem Choonkil Park1 and Cihangir Alaca∗2 Department of Mathematics, Research Institute for Natural ... Misiak [3], a Kim and Cho [4], and Malˇeski [5] developed the theory of n-normed c space In [6], Gunawan and Mashadi gave a simple way to derive an (n−1)-norm from the n-norms and realized that any ... normed spaces Nonlinear Anal., in press, doi:10.1016/j.na.2011.10.006 [29] Rassias, ThM: On the A. D Aleksandrov problem of conservative distances and the Mazur–Ulam theorem Nonlinear Anal 47,...