News&Events

Ritsumeikan University Seminar

2026.04.07 Tue up
  • Date: 14 Sep-18 Sep
  • Place: West Wing, 6th floor, Colloquium Room or 7th floor seminar room and on the Web (zoom)
  • Time: 14 Sep-17 Sep 13:30-15:00 / 18 Sep 15:15-16:45
  • Speaker :  Fumio Hiai (Tohoku University)
  • Title: Matrix analysis and applications to quantum information
  • Abstract: 
In this intensive seminar, we begin by reviewing operator means and operator perspectives,
followed by explanations of operator inequalities, majorization, and trace inequalities for operators
and matrices. Next, we explain various quantum f-divergences that are important in
quantum information, including the recently developed hockey-stick f-divergence. Furthermore,
we discuss several topics related to the Fisher information (the monotonic metric) that
is important in quantum information geometry.

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