A new characterization of Suškevič's problem on right zero divisors
Конференцијски прилог (Објављена верзија)
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The description of right zero divisors in that ring is a very di cult problem that has not been resolved yet. We will prove the following characterization: An infinite upper triangular matrix over a field is a right zero divisor if and only if its generalized Jordan normal form contains a zero row.