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The minimum dominating set (MDS) problem is known to be NP-hard. Compared with the currently fastest extract algorithm for MDS problem on graphs of n vertices using O(20.59n)time, which could merely tackle these problems with 200 vertices scale in 8 hours, the paper presents a faster approximate layer-method to address MDS problems in O(n2) time and the method is proved to be effective particularly...
We present a tunable hyperbolic metamaterial by exploiting the metal-insulator phase transition in vanadium oxide and demonstrate the transition of its in-plane dielectric constant from positive to negative value by temperature control.
A definition of the dynamic equilibrium state controllability of linear time-invariant systems is presented based upon dynamic equilibrium state theory, on which the necessary and sufficient conditions for the dynamic equilibrium state controllability are elaborated. Compared with the state controllability, the condition of the dynamic equilibrium state controllability is stricter. It is also proved...
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