Geodesic
Drazin geometric quasi-mean for lambert conditional operators
Filomat, Tome 37 (2023) no. 8, p. 2455

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DOI

In this paper we introduce the Drazin geometric quasi-mean A d ν B = ||BA d | ν A| 2 for bounded conditional operator A and B in L 2 (Σ), where A has closed range and ν ≥ 0. In addition, we discuss some measure theoretic characterizations for conditional operators in some operator classes. Moreover, some practical examples are provided to illustrate the obtained results.
DOI : 10.2298/FIL2308455S
Classification : 47B20, 47B38
Keywords: Aluthge transformation, conditional expectation, Drazin in- verse, geometric mean, spectral radius 
Morteza Sohrabi. Drazin geometric quasi-mean for lambert conditional operators. Filomat, Tome 37 (2023) no. 8, p. 2455 . doi: 10.2298/FIL2308455S
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     title = {Drazin geometric quasi-mean for lambert conditional operators},
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     year = {2023},
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     doi = {10.2298/FIL2308455S},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2308455S/}
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