large-scale allocation problem (lsap) is considered to be an important problem in operations research. in this paper, we have tried to model a sample lsap and show that famous linear or approaches in use cannot efficiently help us challenge, develop and handle such cases. we begin with efforts in this area to conclude that timely, efficient and less costly solutions could be only developed unde...

the protection of creditors and making suitable security for their rights will result in their trust for the investment and will lead to the briskness of the trade and economic growth. one of the most important problems is the protection of creditors against contracts that debtors conclude them with the intention of escape from the payment of their debts. in this study the validity of these con...