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- LÃ¡szlÃ³ MiklÃ³s LovÃ¡sz, Carsten Thomassen, Yezhou Wu, Cun-Quan Zhang
- J. Comb. Theory, Ser. B
- 2013

Article history: Received 30 October 2011 Available online 20 August 2013

- Xingqin Qi, Eddie Fuller, Qin Wu, Yezhou Wu, Cun-Quan Zhang
- Inf. Sci.
- 2012

The centrality of vertices has been a key issue in network analysis. For unweighted networks where edges are just present or absent and have no weight attached, many centrality measures have been presented, such as degree, betweenness, closeness, eigenvector and subgraph centrality. There has been a growing need to design centrality measures for weightedâ€¦ (More)

- Xingqin Qi, Wenliang Tang, Yezhou Wu, Guodong Guo, Eddie Fuller, Cun-Quan Zhang
- Pattern Recognition Letters
- 2014

- Xirong Xu, Yongchang Cao, Jun-Ming Xu, Yezhou Wu
- Computers & Mathematics with Applications
- 2010

A subset of vertices of a graph G is called a feedback vertex set of G if its removal results in an acyclic subgraph. Let f (d, n) denote the minimum cardinality over all feedback vertex sets of the de Bruijn digraph B(d, n). This paper proves that for any integers d â‰¥ 2 and n â‰¥ 2 f (d, n) = ï£±ï£´ï£²ï£´ï£´ï£³ 1 n âˆ‘ i|n diÏ† (n i ) for 2 â‰¤ n â‰¤ 4; dn n + O(ndnâˆ’4) for n â‰¥â€¦ (More)

- Carsten Thomassen, Yezhou Wu, Cun-Quan Zhang
- J. Comb. Theory, Ser. B
- 2016

Article history: Received 4 December 2015 Available online 2 August 2016

- Yezhou Wu, Dong Ye, Wenan Zang, Cun-Quan Zhang
- SIAM J. Discrete Math.
- 2014

Tutte observed that every nowhere-zero k-flow on a plane graph gives rise to a kvertex-coloring of its dual, and vice versa. Thus nowhere-zero integer flow and graph coloring can be viewed as dual concepts. Jaeger further shows that if a graph G has a face-k-colorable 2-cell embedding in some orientable surface, then it has a nowhere-zero k-flow. However,â€¦ (More)

- Yezhou Wu, Rong Luo, Dong Ye, Cun-Quan Zhang
- Eur. J. Comb.
- 2014

- Yezhou Wu, Cun-Quan Zhang, Bao-Xuan Zhu
- Discrete Mathematics
- 2017

- Jun-Ming Xu, Yezhou Wu, Jia Huang, Chao Yang
- Discrete Mathematics
- 2007

A subset of vertices (resp. arcs) of a graph G is called a feedback vertex (resp. arc) set of G if its removal results in an acyclic subgraph. Let f (d, n) (fa(d, n)) denote the minimum cardinality over all feedback vertex (resp. arc) sets of the Kautz digraph K(d, n). This paper proves that for any integers d 2 and n 1 f (d, n)= âŽªâŽªâŽªâŽ¨ âŽªâŽªâŽªâŽ© d for n= 1, (â€¦ (More)

- Caijie Qian, Zhenduo Wang, Xuesong Lu, Yezhou Wu, Fengzhong Qu
- OCEANS 2017 - Aberdeen
- 2017

Underwater acoustic (UWA) communications are major tools for wireless data transmission in underwater environment. In recent years, multicarrier modulation has become one of the dominating methods in mitigating the time-delay and Doppler doubly-spread UWA acoustic channel. In this paper, one of the multicarrier modulations called filtered multitone (FMT) isâ€¦ (More)