Dr Nega Chere

Research Interests

Ring and Module Theory, specifically reduced modules, v-modules and hereditary pretorsion classes.

Publications

         1. Biadiglign Asmare, Nega Arega, and David Ssevviiri, Characterization of modules with weak exchange property 

     Links:  Bulletin of the International Mathematical Virtual Institute ,  (p) 2303-4874, ISSN (o) 2303-4955, Bull. Int. Math. Virtual Inst., 15(2)(2025), 343–35

2. A.S.Eegunijobi, N. Chere, D. Iiyambo, P.M. Ndeevelo:  Mathematical Analysis FMD With Optimal Control Vol. 12(2025).

        3. Tilahun Abebaw, Nega Arega, Teklemichael Worku Bihonegn and David Ssevviiri: 

            Reduced submodules of finite dimensional polynomial modules, Research in Mathematics (2024), Vol. 11, No 1, 1-10 .   

        4. Teklemichael Worku Bihonegn, Tilahun Abebaw and Nega Arega:  On the generalization of the torsion functor and P-semiprime modules over noncommutative rings, 

             Journal of Hyperstructures 13 (1) (2024), 1-14. ISSN: 2322-1666 print/2251-8436 online.

         5. Teklemichael Worku Bihonegn, Tilahun Abebaw, and Nega Arega: A study on properties of the largest reduced submodules of finite dimensional polynomial modules, 

              Bull. Int. Math. Inst., 14(2)(2024), 193-204.

        6.  Nega Arega Chere, V-modules, SSI-modules and Idempotent of hereditary pretension classes in sigma[M], Bull. Int. Math. Inst. 12(3) (2022), 445-452
             Links: Bulletin of the International Mathematical Virtual Institute, ISSN (p) 2303-4874 : 

             Link  http://www.imvibl.org/buletin/bulletin_imvi_12_3_22/bulletin_imvi_12_3_22_445_452.pdf

        7. Commutativity in the lattice of topologizing filters of a ring - localization and congruences.

           Publication type: Journal article, year of publication: 2019, Authors: Nega Arega and John van den Berg
            URL: https://doi.org/10.1007/s10474-019-00919-4

       8. Commutativity in the lattice of topologizing of a commutative semiartinian rings.
          Publication type: Journal article, year of publication: 2019 Authors: Nega Arega and John van den Berg
         URL: https://doi.org/10.1080/00927872.2019.1623237

      9. Two -sided residuation on the set of right topologizing filters on a ring. Publication type: Journal article. Year of publication: 2017
            Authors: Nega Arega and John van den Berg, URL: https://doi.org/10.1080/00927872.2016.1172624