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Notation | Definition |
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| The set of all forward links for the Firm i, where i = 1,…,I |
| The set of all reverse links for the Firm i, where i = 1,…,I |
p | A path of the network |
| The set of all forward paths connecting the first layer node i with demand market j, where i = 1,…,I, j = 1,…,J |
| The set of all reverse paths connecting the node i with demand market j, where i = 1,…,I, j = 1,…,J |
| The set of all forward paths between all I nodes with demand market j, where j = 1,…,J |
| The set of all reverse paths between all I nodes with demand market j, where j = 1,…,J |
| The set of all forward paths between the node i with all demand markets, where i = 1,…,I |
| The set of all reverse paths between the node i with all demand markets, where i = 1,…,I |
| The set of all forward paths |
| The number of all forward paths |
| The set of all reverse paths |
| The number of all reverse paths |
| The nonnegative remanufactured product flow on the path p () |
| -dimensional vector of all remanufactured product flows on the paths in |
| The nonnegative manufactured product flow on the path p () |
| -dimensional vector of all manufactured product flows on the paths in |
| The nonnegative recovered EOL product flow on the path p () |
| -dimensional vector of all EOL product flows on the paths in |
| The set of all product flows, |
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