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math.RA2026
Generalized -Fine and Quasi -Fine Rings
Mai Hoang Bien, Peter Vassilev Danchev, Mojtaba Ramezan-Nassab
Fine rings and generalized fine rings have been extensively studied through additive decompositions involving units and nilpotent elements. In this paper, we develop analogous deco…
math.RA2026
Matrices over Finite Fields of Characteristic 2 as Sums of Diagonalizable and Square-Zero Matrices
Peter Danchev, Esther García, Miguel Gómez Lozano
We investigate the problem asking when any square matrix whose entries lie in a finite field of characteristic 2 is decomposable into the sum of a diagonalizable matrix and a nilpo…
math.RA2025
Finite fields whose members are the sum of a potent and a 4-potent
Stephen D. Cohen, Peter V. Danchev, Tomás Oliveira e Silva
We classify those finite fields , for a power of some fixed prime number, whose members are the sum of an -potent element with and a 4-potent element. It…