I is common for a retailer to sell products from competing manufacturers. How then should the firms manage their contract negotiations? The supply chain coordination literature focuses either on a single manufacturer selling to a single retailer or one manufacturer selling to many (possibly competing) retailers. We find that some key conclusions from those market structures do not apply in our ...

In this paper, we identify an error in the proof of Theorem 1 in the paper Xia, L., Zhao, Q., and Jia, Q.S., “A Structure Property of Optimal Policies for Maintenance Problems with Safety-Critical Components”, IEEE Transactions on Automation Science and Engineering, 2008, 5(3): 519-531. Theorem 1 is the most important contribution of the above paper, which shows the optimality of the so-called ...

IPv6, the IETF-designed protocol set dubbed the 'next generation' of IP, is designed as an update of the current version, IPv4, which it is said is beginning to show its age. Much of the vaunted improvement over IPv4 is attributable to the simple fact that IPv6 offers a virtually infinite number of Internet addresses from approximately 200 million assignable IPv4 addresses to countless trillion...

Michael Persinger’s group reports three very interesting experimental findings related to EEG, magnetic fields, photon emissions from brain, and macroscopic quantum coherence. The findings also provide support for the proposal of Hu and Wu that nerve pulse activity could induce spin flips of spin networks assignable to cell membrane. In this article I analyze the experiments from TGD point of v...

This paper presents the results of a literature search for publications containing failure rates and repair times, based on operational experience, for distribution system components that are critical to the reliability of a distribution system. Furthermore, component failure rates found are compared with the conclusions drawn from a previously conducted literature search.

Control Chart Patterns (CCPs) recognition is one the most important concepts in control chart application. Relating the patterns exhibited on the control chart to assignable causes is an ambiguous and vague task especially when multiple patterns co-exist. In this study, a fuzzy rule-based system is developed for X ̅ control charts to prioritize the control chart causes based on the accumulated e...

The Hotelling's  control chart, is the most widely used multivariate procedure for monitoring  two or more related quality characteristics, but it’s power lacks the desired performance in detecting small to moderate shifts. Recently, the variable sampling intervals (VSI) control scheme in which the length of successive sampling intervals is determined upon the preceding values has been proved t...

Control charts are used to detect assignable causes in different manufacturing and nonmanufacturing processes. This study presents a new maximum exponentially weighted moving average (Max-EWMA) chart for joint unit interval time magnitude monitoring. To this end, beta distribution is considered whereas simplex magnitude. Average run length (ARL), standard deviation of (SDRL), quantiles evaluate...