New results for the crossing number of circular graphs
2.
In section two , the circular graphs with order n that the first row of their adjacent matrix is [ 01100 . . . 0011 ] and [ 010100 . . . 00101 ] are considered and we obtain the fractional chromatic number of them , include the chromatic number of the graphs whose first row of the adjacent matrix is [ 01100 . . . 0011 ] just while n is not the multiple of 3
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