in a recent paper in this journal, yang et al. [feng yang, dexiang wu,liang liang, gongbing bi & desheng dash wu (2009), supply chaindea:production possibility set and performance evaluation model] definedtwo types of supply chain production possibility set which were proved to beequivalent to each other. they also proposed a new model for evaluatingsupply chains. there are, however, some short...

Servo applications (regulation and tracking) are an important class of tasks for robots. Robustness in a servo controller must be guaranteed when the robot manipulator operates in an uncertain environment to ensure the stability and performance in the presence of uncertain robot manipulator dynamics, objects to be manipulated by the robot, and obstacles to be avoid. Also, robots must have sensi...

seismic attribute is a quantitative measure of an interested seismic characteristic. there are several seismic attributes. in recent years, time-frequency (tf) attributes have been developed which to reach them, tf analyzing of seismic data is required. a high resolution tf representation (tfr) can yield more accurate tf attributes. there are several tfr methods including short-time fourier tra...

Since the pioneering work on the use of chaos for communication [Hayes & Grebogi, 1993; Hayes et al., 1993; Hayes et al., 1994] and synchronization [Pecora & Carroll, 1990; Cuomo & Oppenheim, 1993; Perez & Cerdeira, 1995; Short, 1997; Kocarev & Parlitz, 1996; Rosenblum et al., 1996; Zaks et al., 1999], many ideas have been presented to use nonlinear electronic circuits for communication purpose...

We introduce new and interesting model of system of generalized set-valued equilibrium problems which generalizes and unifies the system of set-valued equilibrium problems, the system of generalized implicit vector variational inequalities, the system of generalized vector and vector-like variational inequalities introduced by Ansari et al. (2002), the system of generalized vector variational i...

Glidden and Liang [2002] have raised important issues regarding ascertainment adjustment in the framework of variance-components modeling for complex genetic traits. While the structure of the authors’ logistic variance-component model is simple, ascertainment issues arising with this model are likely analogous to ascertainment issues in more complex variance-component models commonly used for ...