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SUMMARY:On Telescopes and Cuckoo Clocks - Koenraad Audenaert (Royal Hollow
 ay\, University of London)
DTSTART:20110310T141500Z
DTEND:20110310T151500Z
UID:TALK29213@talks.cam.ac.uk
CONTACT:Ashley Montanaro
DESCRIPTION:In this talk I present ongoing work about a peculiar modificat
 ion of the relative entropy which I coined the telescoped relative entropy
 . I will explain the name\, and highlight its many interesting properties.
 \nOf course\, I will also have to explain where it comes from\, and what i
 t is good for\, and I will do so by showing how this telescope can be used
  in the quantification of read-out uncertainties of cuckoo clocks and in H
 amiltonian estimation of unitarily evolving quantum systems. Ultimately\, 
 I will show that a curious conjecture about the telescoped relative entrop
 y would solve a problem posed by Kitaev and Bravyi.
LOCATION:MR13\, Centre for Mathematical Sciences
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