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Entropy functionals and their extremal values for solving the Stieltjes matrix moment problem. (English) Zbl 07277748
The author defines an entropy functional for the Stieltjes matrix moment problem and finds its extremal values. A geometric interpretation in terms of Weyl matrix intervals is presented.
MSC:
30E05 Moment problems and interpolation problems in the complex plane
44A60 Moment problems
47A57 Linear operator methods in interpolation, moment and extension problems
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