V i+1

odi eren t metho ds to construct po w er e cien tnet orks. Firstly,w e construct a net-w ork top ology b y using the Gabriel structure and the Y ao structure, whic h has at most O (n) edges and eac h no de has a b ounded out-degree. Secondly, w e construct a graph b y using the Y ao structure and then using the rev erse of Y ao structure. The ... ................
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