ELEMENTARY

 

1. Equivalent definitions and generalizations for algebraic lattices (2012).

2. Some self-dual notions for groups (2012-13).

3. Subrings of matrix rings (2014-15).

4. Units and nilpotent elements in corners (2015).

5. A false problem (2016).

6. 2 x 2 unipotent matrices (2017).

7. Traces of powers of 2 x 2 matrices (2017).

8. Different row rank and column rank for a matrix (2017).

9. A characterization of Dedekind finite rings (2017).

10. Idempotent reversible rings (2017).

11. Abelian groups whose subgroups are endomorphic kernels (2018).

12. Very strongly clean rings (2018).