Mathematical Inequalities & Applications · Volume 24, Issue 2

Joint numerical radius of spherical Aluthge transforms of tuples of Hilbert space operators

24-28 Pages 405-420 DOI 10.7153/mia-2021-24-28

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Authors

Kais Feki Takeaki Yamazaki

Keywords

spherical Aluthge transform Duggal transform joint numerical radius joint spectral radius joint operator norm

Subject classes

47A13 47A12 47A30