I haven't studied the paper yet, but I would like to have this included in the library. The reasons are:
There would be an implementation of an algorithm for shortest paths with negative weights faster than Bellman-Ford (there have been other algorithms, but this was is claiming the best time complexity bound.
The abstract claims that the algorithm is "simple". Whereas it is definitely more complex than Bellman-Ford, it should be simpler than recent alternatives.
Implementing the algorithm will show if our API and infrastructure is sufficient for a modern algorithm, or show gaps that we need to fill.
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I haven't studied the paper yet, but I would like to have this included in the library. The reasons are: