This paper develops a model for determining locations of undesirable facilities. It is formulated as multiobjective since the problem of locating undesirable facilities faces many conflicting criteria. A method is also proposed to appropriately address uncertainty associated with this class of location problems. The methodology developed in this study is tested using the real-world data. 2003 E...

Reduction in the frequency of' undesirable recessive genes is examined for several combinations of initial gene frequencies and number of offspring obtained by random mating of young sires to the population. Only sires not having affected offspring are then returned to heavy use. Such selection can veD" rapidly reduce the number of affected offspring, if the initial gene frequency is high or if...

We consider the problem of global convergence of Godard equalizers in the special case of binary (2-PAM) input signals , when the channel impulse response is complex. We present a class of global minima of all Godard equalizers for this case, which do not correspond to settings free of inter-symbol-interference (ISI). The equalizer output corresponding to these global minima appears as a four-p...

Data envelopment analysis (DEA) is a non-parametric approach for measuring the relative efficiencies of peer decision making units (DMUs). Many studies have examined DEA efficiencies of two-stage systems, where all the outputs from the first stage are the only inputs to the second stage. Although single-stage DEA models with undesirable input-outputs have been extensively studied, there still l...

A service T can substitute a service S if T interacts with every partner of S in a deadlock-free manner. We introduce the notion of a filtered service of a service S with less or the same traces of external messaging behavior as S, yet can substitute S. We propose a finite representation of all filtered services of S called filtering guidelines. Given a service T that cannot substitute S, we ca...

The objective of this paper is to provide a comprehensive efficiency measures to estimate the performances of OECD and non-OECD countries. A Russell directional distance function that appropriately credits the decision making unit not only for increase in desirable outputs but also for the decrease of undesirable outputs is derived from the proposed weighted Russell directional distance model. ...

Reduction in the frequency of' undesirable recessive genes is examined for several combinations of initial gene frequencies and number of offspring obtained by random mating of young sires to the population. Only sires not having affected offspring are then returned to heavy use. Such selection can veD" rapidly reduce the number of affected offspring, if the initial gene frequency is high or if...

How can we improve memory retention? A large body of research has suggested that difficulty encountered during learning, such as when practice sessions are distributed rather than massed, can enhance later memory performance (see R. A. Bjork & E. L. Bjork, 1992). Here, we investigated whether divided attention during retrieval practice can also constitute a desirable difficulty. Following two i...

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Cardiovascular diseases constitute a major clinical problem for patients with type 2 diabetes mellitus (T2DM), being the most common cause of death in this population. It fully justifies the concept of a close collaboration between diabetologists and cardiologists for the optimal integrated management of diabetic patients with cardiovascular diseases in everyday clinical practice, which has bee...