A distributed heterogeneous computing (HC) system consists of diversely capable machines harnessed together to execute a set of tasks that vary in their computational requirements. Heuristics are needed to map (match and schedule) tasks onto machines in an HC system so as to optimize some figure of merit. An HC system model is needed to simulate different HC environments to allow the study of t...

10.1074/jbc.M112.443333 Access the most updated version of this article at doi: . JBC Affinity Sites Find articles, minireviews, Reflections and Classics on similar topics on the Alerts: When a correction for this article is posted • When this article is cited • to choose from all of JBC's e-mail alerts Click here http://www.jbc.org/content/288/12/8575.full.html#ref-list-1 This article cites 24...

Two structurally distinct RNP complexes (MI and MII), each with a sedimentation value of approx. 40S, were isolated from rat liver nuclear extracts by sucrose gradient centrifugation and subsequent native gel electrophoresis of the 40S hnRNP-containing fractions. MII RNP contained the bulk of hnRNA and hnRNP proteins (i.e. the 32-45KD core proteins and polypeptides of 60-80 and 110-130KD). MI R...

Abstract Introduction: Chronic heterogeneous stress may be better for evaluation of the effect of chronic stress situations on the nociceptive behaviour. The present study investigated the effects of chronic heterogeneous sequential stress on thermal-induced nociception and formalin induced pain behavior in rats. Methods: In the present study, adult rats (220-300 g) were used. Animals were ...

An administration of large doses of an antigen brings about immunological tolerance (unresponsiveness) to the next challenge with the same antigen. A hypothesis on the mechanism of tolerance to Human Serum Albumin (HSA) induced in chickens was formulated mathematically using compartmental models. By comparison of the modelled and experimental results, the presence of some additional mechanism w...

This paper examines issues encountered attempting to exploit a high-bandwidth, high-latency link in support of a high-energy physics (HEP) analysis application. The primary issue was that the TCP additive increase/multiplicative decrease (AIMD) algorithm is not suitable for “long fat networks”. While this is a known problem, the magnitude of the impact on application performance was much greate...

Intrinsic and extrinsic geometric properties of string world sheets in curved space-time background are explored. In our formulation, the only dynamical degrees of freedom of the string are its immersion coordinates. Classical equation of motion and the space-time energy-momentum tensor of the string are obtained. The equations of motion for the extrinsic curvature action are second order for t...

A theoretical treatment for the weak decays of heavy-flavour hadrons has been developed that is genuinely based on QCD. Its methodology as it applies to total lifetimes and the underlying theoretical issues are sketched. Predictions are compared with present data. One discrepancy emerges: the beauty baryon lifetime appears to be significantly shorter than expected. The ramifications of those fi...

The problem of mapping tasks and communications onto multiple machines and networks in a heterogeneous computing environment has been shown to be NP complete. Therefore, the development of heuris tic techniques to find nearoptimal solutions is required. Many different types of mapping heuristics have been developed in recent years. However, selecting the best heuristic to use in any given scena...

Noncommutative three-dimensional gravity can be described in terms of a noncommuta-tive Chern-Simons theory. We extend this structure and also propose an action for gravi-tational fields on an even dimensional noncommutative space. The action is worked out in some detail for fields on a noncommutative CP 2 and on S 4 .