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Bhatia, Lim, and Yamazaki conjectured that the Kubo–Ando extensions of means of numbers satisfy a norm minimality condition with respect to unitarily invariant norms. In this short note, we introduce… Click to show full abstract
Bhatia, Lim, and Yamazaki conjectured that the Kubo–Ando extensions of means of numbers satisfy a norm minimality condition with respect to unitarily invariant norms. In this short note, we introduce a symmetric Kubo–Ando mean and a non-Kubo–Ando extension that do not satisfy this property.
Keywords:
non linear;
interpolation harmonic;
kubo ando;
harmonic geometric;
geometric arithmetic;
linear interpolation
Journal Title: Lobachevskii Journal of Mathematics
Year Published: 2019
Link to full text (if available)
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Journal Title: Lobachevskii Journal of Mathematics
Year Published: 2019
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!