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math-ph2015★ 1 cited
The Continuity of Sequential Product of Sequential Quantum Effect Algebras
Qiang Lei, Xiaochao Su, Junde Wu
In order to study quantum measurement theory, sequential product defined for any two quantum effects is introduced. Physically motivated conditions ask the sequential product to be…
math-ph2015
Quantum Observable Generalized Orthoalgebras
Qiang Lei, Weihua Liu, Zhe Liu +1
Let denote the set of all self-adjoint operators (not necessarily bounded) on a Hilbert space , which is the set of all physical quantities on…
math-ph2009
Order Topology and Frink Ideal Topology of Effect Algebras
Lei Qiang, Wu Junde, Li Ronglu
In this paper, the following results are proved: (1) If is a complete atomic lattice effect algebra, then is (o)-continuous iff is order-topological iff is tota…