The Vertex Separation problem (VSP) is an NP-hard problem with practical applications in VLSI design, graph drawing and computer language compiler design. VSP belongs to a family of optimization problems in which the objective is to find the best separator of vertices or edges in a generic graph. In this paper, we propose different heuristic methods and embed them into a Variable Neighborhood S...

it is a challenge for a farmer with limited resources to decide on the production of commodities and investment in the farm. transformation of smallholder subsistence agriculture, to market oriented value addition based agriculture is vital for poverty reduction in ethiopia. this study was initiated to explore the factors which contribute for the adoption of improved wheat and pepper varieties ...

the paper studies of the effect the related and unrelated diversification for products and ownership structure on capital structure for a sample of 87 firms out of 19 industry listed on the tehran stock exchange during the period 2004- 2009. for to regress of models to apply of multivariate approach include panel data and cross-sectional regressions. this study adopts panel fixed effects regres...

Abstract Drawing on archaeobotanical evidence from the central regions of Central Asia, we explore crop diffusion during first millennium ce . We present a comprehensive summary data retrieved this region dating to period in order better understand cultural drivers pushing agricultural intensification and diversification. use these evaluate applicability Watson’s concept Medieval Green Revoluti...

cases where bayt al-mal is responsible for payment of compensation are sometimes accompanied by intensification of compensation. the question is that whether bayt al-mal should pay the intensified compensation in such cases. this question has not been answered in juristic and, legal texts. in addition to causing difference in opinions, it has caused courts to doubt generalization of the intensi...

Today export diversification has become one of the most important economic objectives of development strategies in the developing countries. For various reasons, such as preventing instability in export prices of primary products in global markets, reducing fluctuations in exchanges of them compared with industrial goods, producing dynamic benefits resulted from exporting various goods and incr...