Unitary invariants of qubit systems

We give an algorithm allowing the construction of bases of local unitary invariants of pure k-qubit states from a knowledge of the polynomial covariants of the group of invertible local filtering operations. The simplest invariants obtained in this way are made explicit and compared with various kno...

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Vydané v:	Mathematical structures in computer science Ročník 17; číslo 6; s. 1133 - 1151
Hlavní autori:	LUQUE, JEAN-GABRIEL, THIBON, JEAN-YVES, TOUMAZET, FRÉDÉRIC
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Cambridge, UK Cambridge University Press 01.12.2007 Cambridge University Press (CUP)
Predmet:	Algebra Algorithms Computer science Mathematics Physics Polynomials Quantum Physics
ISSN:	0960-1295, 1469-8072
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