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math.CO2020★ 2 cited
Turán numbers and anti-Ramsey numbers for short cycles in complete -partite graphs
Chunqiu Fang, Ervin Győri, Chuanqi Xiao +1
We call a -cycle in multipartite, denoted by , if it contains at least one vertex in each part of . The…
math.CO2020
Iota energy orderings of bicyclic signed digraphs
Xiuwen Yang, Ligong Wang
The concept of energy of a signed digraph is extended to iota energy of a signed digraph. The energy of a signed digraph is defined by , wher…