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A117393 Number of different classes of entangling power of permutation matrices of dimension d^2, acting on a d X d (tensor product) Hilbert space. +0
1
1, 2, 15, 65, 190, 447 (list; graph; listen)
OFFSET

1,2

COMMENT

For d = 7 a lower bound is 890. For d = 8 the entry of the sequence is approximatively 1600.

LINKS

Lieven Clarisse, Sibasish Ghosh, Simone Severini and Anthony Sudbery, Entangling Power of Permutations, Phys. Rev. A 72, 012314 (2005).

Simone Severini, Home page

CROSSREFS

Sequence in context: A084187 A119904 A117669 this_sequence A055206 A091135 A056037

Adjacent sequences: A117390 A117391 A117392 this_sequence A117394 A117395 A117396

KEYWORD

hard,nonn

AUTHOR

Lieven Clarisse and Simone Severini (ss54(AT)york.ac.uk), Apr 25 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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