Characterization of mean transformations |
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| Authors: | Ádám Besenyei Dénes Petz |
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| Institution: | 1. Department of Applied Analysis , ELTE , H-1117 Budapest, Pázmány P. sétány 1/c, Hungary badam@cs.elte.hu;3. Alfréd Rényi Institute of Mathematics , H-1364 Budapest, POB 127, Hungary |
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| Abstract: | The mean transformations M(A,?B) are linear mappings and they are analogues of the matrix means of A,?B?≥?0. They are defined by operator monotone functions. In this article several properties are described and a part of them characterize the concept. |
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| Keywords: | matrix monotone function matrix means transformer inequality trace-preserving mappings |
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