@article{article_1213747, title={Unipotent and Unit-Regular Elements in Certain Subrings of M_2 (Z)}, journal={Erzincan University Journal of Science and Technology}, volume={16}, pages={286–294}, year={2023}, DOI={10.18185/erzifbed.1213747}, author={Gümüşel, Günseli}, keywords={Idempotent Element, Nil-Clean Element, Nilpotent Element, Unit Element, Unit-Regular Element}, abstract={We presented a simple and direct way to construct a unipotent unit and clean but not nil-clean element in a ring. New examples of unipotent/unit-regular elements that are not nil-clean are given. We also study the product of two idempotents/unit-regulars which are unit-regular. The studies are exemplified in two subrings of M_2 (Z).}, number={1}, publisher={Erzincan Binali Yıldırım Üniversitesi}