"I liked the algebraic way of looking at things.
I’m additionally fascinated when the algebraic method is applied to infinite objects”.

Irwing Kaplansky

On common properties of Bezout domains and rings of matrices over them


Volodymyr Shchedryk

Department of Algebra
Pidstryhach Institute for Applied Problems of Mechanics and Mathematics
National Academy of Sciences of Ukraine



Theorem. Let R be a commutative Bezout domain in which for any three relatively prime nonzero elements a, b, c there exist such element r, that


And let A1, A2, A3 be relatively prime on left side nonzero matrices from M2(R). Then there exist such matrix T and i,j,k {1,2,3}, that Ai+AjT, Ak are relatively prime on left side

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