3-uniform hypergraphs: modular decomposition and realization by tournaments

Let $H$ be a 3-uniform hypergraph. A tournament $T$ defined on $V(T)=V(H)$ is a realization of $H$ if the edges of $H$ are exactly the 3-element subsets of $V(T)$ that induce 3-cycles. We characterize the 3-uniform hypergraphs that admit realizations by using a suitable modular decomposition

Achievable Rate Regions for Two-Way Relay Channel using Nested Lattice Coding

This paper studies Gaussian Two-Way Relay Channel where two communication nodes exchange messages with each other via a relay. It is assumed that all nodes operate in half duplex mode without any direct link between the communication nodes. A compress-and-forward relaying strategy using nested lattice codes is first proposed. Then, the proposed scheme is improved by performing a layered coding : a common layer is decoded by both receivers and a refinement layer is recovered only by the receiver which has the best channel conditions. The achievable rates of the new scheme are characterized and are shown to be higher than those provided by the decode-and-forward strategy in some regions.Comment: 27 pages, 13 figures, Submitted to IEEE Transactions on Wireless Communications (October 2013

Determinant Factors for Knowledge Sharing in Facilities Management of Private Finance Initiative Procurement

In the current state of Private Finance Initiative (PFI) procurement, there are numerous problems and issues stressed out by some scholars. The case is more complicated and critical once the PFI procurement come to Facilities Management (FM) phase. By means of accepting the contribution of Knowledge Sharing (KS) towards organizational performance, a cross sectional study design was conducted. This research aims are to identify the determinant factors towards knowledge sharing in facilities management of private finance initiative procurement. A set of questionnaires was developed based on numerous constructs gained from previous studies. A total of 50 set web-based self-administrative questionnaire were distributed amongst FM and PFI procurement experts. However, only 39 sets were answered and completed. The data then analyses using SPSS Statistics Version 21. The finding suggested the conceptual framework for this research consists of five determinant factors as independent variables working culture, staff attitude, motivation to share, nature of knowledge to share, and opportunities to share. Meanwhile, knowledge sharing benefits towards performance management as dependent variables

Drought Stress Influence on Some Physiological Processes in Winter Wheat (Triticum Aestivum L.)

Crop Scienc

Supervisor’s Role as an Antecedent of Training Transfer and Motivation to Learn in Training Programs

Training and development program literature highlights two major characteristics ofsupervisor's role: support and communication. The ability of supervisors to provide adequate supportand practice good communication style in relation to training programs may lead to increased trainingtransfer and motivation to learn. Though the nature of this relationship is significant, little is knownabout the predictive properties of supervisor's roles in training program literatures. Therefore, thisstudy was conducted to measure the effect of supervisor's role on training transfer and motivation tolearn using 110 usable questionnaires gathered from employees who have attended training programs ina state public work agency in East Malaysia, Malaysia. The results of exploratory factor analysisconfirmed that the measurement scales used in this study satisfactorily met the acceptable standards ofvalidity and reliability analyses. Further, the outcomes of stepwise regression analysis showed fourimportant findings: first, support insignificantly correlated with motivation to learn. Second,communication significantly correlated with motivation to learn. Third, support significantly correlatedwith transfer of training. Finally, communication significantly correlated with transfer of learning.Statistically, this result confirms that support is an important antecedent of motivation to learn andcommunication is an important antecedent of motivation to learn. Conversely, support andcommunication are important antecedents of training transfer in the studied organization. In addition,discussion, implications and conclusion are elaborated