Medina-Bárcenas, M.; Keskin Tütüncü, D.; Kuratomi, Y.
(Algebra and Discrete Mathematics, 2021)
Let M be an H-supplemented coatomic module with FIEP. Then we prove that M is dual square free if and only if every maximal submodule ofM is fully invariant. Let M = ⊕ i∈I Mi be a direct sum, such that M is coatomic. Then ...