The problem of efficiently monitoring the network flow is regarded as the problem to find out the minimum weighted weak vertex cover set for a given graph G = (
The max-flow problem in planar networks with only edge capacities has been proved to be in NC (Nickles Class). This paper considers a more general version of th
A pot experiment was performed to learn the differences in plant productivity and CH4 emission between two rice cultivars, super rice variety Ningjing 1 and tra