@article{article_369407, title={W-Coatomic Modules}, journal={Cankaya University Journal of Science and Engineering}, volume={7}, year={2010}, url={https://izlik.org/JA63SR26PN}, author={Bilhan, Gökhan and Güroğlu, Tuğba}, keywords={Coatomic modules,w-coatomic modules,semisimple modules}, abstract={<p style="text-align: justify; ">In this paper we introduce w-coatomic modules and some of their properties. We prove that the finite sum of w-coatomic modules is w-coatomic. It is shown that w-coatomic modules are closed under extensions. It is proved that if an R-module M is reduced and every proper semisimple submodule N of M has a supplement in M, then M is w-coatomic. <br> </p>}, number={1}