Abstract
As is well-known Schur's theorem gives a necessary and sufficient condition for a conservative matrix to sum all bounded sequences. The present paper deals with two further necessary and sufficient conditions and their applications to absolutely equivalent matrices.
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Boos, J. Eine Erweiterung des Satzes von Schur. Manuscripta Math 31, 111–117 (1980). https://doi.org/10.1007/BF01303270
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DOI: https://doi.org/10.1007/BF01303270