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SUMMARY:An algebraic classification of entangled states - Buniy\, R 
DTSTART:20120816T103000Z
DTEND:20120816T113000Z
UID:TALK39319@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:We provide a classification of entangled states that uses new 
 discrete entanglement invariants. The invariants are defined by algebraic 
 properties of linear maps associated with the states. We prove a theorem o
 n a correspondence between the invariants and sets of equivalent classes o
 f entangled states. The new method works for an arbitrary finite number of
  finite-dimensional state subspaces. As an application of the method\, we 
 considered a large selection of cases of three subspaces of various dimens
 ions. We also obtain an entanglement classification of four qubits\, where
  we find 27 fundamental sets of classes.\n\n
LOCATION:Seminar Room 2\, Newton Institute Gatehouse
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