The enjoyable effects of alcohol have paved the way for the mass consumption of a drug which places a huge burden on European health resources and has a devastating effect on some individuals, their families and their communities. Controlling alcohol consumption is notoriously difficult and governments have attempted to tread the line between satisfying the public and limiting harm. There are p...

structural  problems  arc  the  main  trade-barriers  which  bring  about  inefficiencies in  internal trade  in  iran. the  structure of the institutions in the  successful countries are studied (descriptive, explanatory and multiple case studies) which shows success depends  on designs  aimed  at efficiency.  flexibility and using small  or  medium  edi technology. regarding the circumstances...

The main objective of this workshop is to bring together two groups of researchers, those working in topological graph theory and graph minors, and those working with crossing numbers. Both areas have developed methods, mathematical tools and powerful results that have great potential for being used in the other area. For instance, the most basic open problem about crossing numbers is the Turan...