Masayasu Fujiwara

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A neural network model is proposed to explain the development of direction selectivity of cortical cells. The model is constructed under the following three hypotheses that are very plausible from recent neurophysiological findings. (1) Direction selectivity is developed by modifiable inhibitory synapses. (2) It results not from the direct convergence of(More)
— The maximum independent set problem is one of the most famous and well-studied NP-complete problems, and has some important applications. Some exact algorithms based on the branch-and-bound technique have been proposed for the problem. This paper deals with one of its variants, the maximum weight K3-free subgraph problem. This paper shows an interesting(More)
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