Workshop on QUANTUM MEASUREMENTS AND OPERATIONS FOR CRIPTOGRAPHY AND INFORMATION PROCESSING

Quantum Measurements and Operations for Criptography and Information Processing
Penalization Methods in Quantum Tomography

aula DOTTORATO  GIOVedì 3 MARZO ore 11.00 

JONAS
KAHN, Université ParisSud 11 
>PRESENTATION:
Jonas Kahn entered the École Normale Supérieure in 2001,
and followed there both the mathematics and the physics cursus.
He graduated in Probability and Statistics at Orsay (ParisSud) with a
master's thesis under the direction of Pascal MASSART and the close scrutiny
of Richard GILL, on “Quantum Tomography”.
He has begun a PhD thesis along those lines.


Abstract 


Quantum tomography of the harmonic oscillator is an infinitedimensional
statistical problem. Use of methods such as projection estimators (pattern
functions) therefore require that you restrict your attention to a finitedimensional
submodel.
Penalization is a way to select a good submodel.
By looking at the energy of the state, you may then get approximation speeds,
that you can extend to quantum calibration of measuring apparatuses. 

