The complex and varied relationships between supply a nd demand among different enterprises calls for an effective way to evaluate and maintain reliability in supply chain management. Individually, enterprises purs ue...The complex and varied relationships between supply a nd demand among different enterprises calls for an effective way to evaluate and maintain reliability in supply chain management. Individually, enterprises purs ue maximum benefit strategy while cooperating with others. This behavior may res ult in the weakening of needed reliability in supply chain or, in more serious c ases, sever the supply chain. Although reliability of supply chain is the bases to ensuring long-term benefit, a systematic way of handling reliability issues in supply chain management has drawn little attention. The main objective of thi s paper is to define reliability in supply chain management and to develop a fuz zy operational model based on two factors: serial and parallel, to research it.展开更多
Using the Feynman's path integral with topological constraints arising from the presence of one singular line, we find the homotopic probability distribution PnL for the winding number n and the partition function...Using the Feynman's path integral with topological constraints arising from the presence of one singular line, we find the homotopic probability distribution PnL for the winding number n and the partition function PL of the entangled system around a ribbon segment chain. We find that when the width of the ribbon segment chain 2a increases,the partition function exponentially decreases, whereas the free energy increases an amount, which is proportional to the square of the width. When the width tends to zero we obtain the same results as those of a single chain with one singular point.展开更多
文摘The complex and varied relationships between supply a nd demand among different enterprises calls for an effective way to evaluate and maintain reliability in supply chain management. Individually, enterprises purs ue maximum benefit strategy while cooperating with others. This behavior may res ult in the weakening of needed reliability in supply chain or, in more serious c ases, sever the supply chain. Although reliability of supply chain is the bases to ensuring long-term benefit, a systematic way of handling reliability issues in supply chain management has drawn little attention. The main objective of thi s paper is to define reliability in supply chain management and to develop a fuz zy operational model based on two factors: serial and parallel, to research it.
文摘Using the Feynman's path integral with topological constraints arising from the presence of one singular line, we find the homotopic probability distribution PnL for the winding number n and the partition function PL of the entangled system around a ribbon segment chain. We find that when the width of the ribbon segment chain 2a increases,the partition function exponentially decreases, whereas the free energy increases an amount, which is proportional to the square of the width. When the width tends to zero we obtain the same results as those of a single chain with one singular point.