wo men tong chang yong yi ge lian tong de wu xiang tu G V E biao shi hu lian wang luo de tuo pu jie gou tu G de ding dian dai biao wang luo zhong de zu jian tu G de bian dai biao wang luo zhong zu jian zhi jian de tong xin lian xi dui hu lian wang luo de yan jiu shi bing xing he fen bu shi ji suan ji xi tong zhong de yi ge zhong yao yan jiu ling yu ben wen zhu yao yan jiu pai lie tu de zhi cheng lian tong xing pai lie tu shi you D kay he Tripathi ti chu lai de ta shi xing tu de yi lei tui guang dan ta de jie que bi xing tu geng ju you ling huo xing ta shi dian ke qian tu ye shi bian ke qian tu dang n 2 k 1 shi pai lie tu wei wan quan tu er dang n 3 k n 1 shi ta shi fei er bu tu ben wen di yi zhang gei chu yi xie ji ben gai nian di er san si zhang fen bu tong qing kuang yan jiu le An k de zhi cheng lian tong xing ben wen zhu yao jie guo ru xia jie lun 1 dang n 5 shi An 2 wei chao zhi cheng lian tong tu jie lun 2 dang n 6 n k 3 shi An k wei 3 lian tong tu he 4 lian tong tu jie lun 3 dang k 3 n k 4 shi An k shi k n k lian tong tu jie lun 4 An k wei s lian tong tu qi zhong k 1 n k s k n k k 3 n k 4