22 citations · 44 across the 6 of their papers we have counts for
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math-ph2010★ 1 cited
Remarks on the Sequential Products
Liu Weihua, Wu Zhaoqi, Wu Junde
In this paper, we show that those sequential products which were proposed by Liu and Shen and Wu in [J. Phys. A: Math. Theor. {\bf 42}, 185206 (2009), J. Phys. A: Math. Theor. {\bf…
math-ph2009★ 15 cited
On Fixed Points of Lüders Operation
Liu Weihua, Wu Junde
In this paper, we prove that if is a finite commutative quantum measurement, then the fixed points set of Lüders operation is the commu…
math-ph2009★ 6 cited
On supremum of bounded quantum observable
Liu Weihua, Wu Junde
In this paper, we present a new necessary and sufficient condition for which the supremum exists with respect to the logic order. Moreover, we give out a new and much simpler repre…