Zhang Xiandi, Sun Shixin. Enumeration of Some Circular Graphs[J]. Journal of University of Electronic Science and Technology of China, 2000, 29(2): 209-213.
Citation:
Zhang Xiandi, Sun Shixin. Enumeration of Some Circular Graphs[J]. Journal of University of Electronic Science and Technology of China, 2000, 29(2): 209-213.
Zhang Xiandi, Sun Shixin. Enumeration of Some Circular Graphs[J]. Journal of University of Electronic Science and Technology of China, 2000, 29(2): 209-213.
Citation:
Zhang Xiandi, Sun Shixin. Enumeration of Some Circular Graphs[J]. Journal of University of Electronic Science and Technology of China, 2000, 29(2): 209-213.
The structures of circular graphs of degree 4 are discussed. All non-isomorphic connected circular graphs with order n and degree 4 are divided into two types:type Ⅰ and type Ⅱ. A formula calculating the number of type Ⅰ is given. The formula about enumeration of circular graphs of non-isomorphic with order n and degree 4 is improved.
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