Abstract
In this paper, we present an extension of Kantorovich inequality for two operators on a Hilbert space. Also, the multiple version and a related inequality for positive linear maps are obtained. Moreover, we introduce the concept of Specht's ratio and improve some inequalities related to Specht's ratio.
Acknowledgment
The authors would like to thank the referees for their useful comments.
Citation
Yaser Khatib. Mahmoud Hassani. Maryam Amyari. "An extension of the operator Kantorovich inequality." Tbilisi Math. J. 13 (4) 183 - 191, December 2020. https://doi.org/10.32513/tbilisi/1608606057
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