3 citations · 6 across the 15 of their papers we have counts for
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math.CO2017
On splitting digraphs
Donglei Yang, Yandong Bai, Guanghui Wang +1
In 1995, Stiebitz asked the following question: For any positive integers , is there a finite integer such that every digraph with minimum out-degree at least $f(…
math.CO2017
Kernels by properly colored paths in arc-colored digraphs
Yandong Bai, Shinya Fujita, Shenggui Zhang
A {\em kernel by properly colored paths} of an arc-colored digraph is a set of vertices of such that (i) no two vertices of are connected by a properly colored dire…