Abstract
The purpose of this paper is to show that any generalized network problem whose matrix does not have full row rank can be transformed into an equivalent pure network problem and to give a constructive method for doing this.
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Glover, F., Klingman, D. On the equivalence of some generalized network problems to pure network problems. Mathematical Programming 4, 269–278 (1973). https://doi.org/10.1007/BF01584670
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DOI: https://doi.org/10.1007/BF01584670