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- Yufa Shen, Wenjie He, Guoping Zheng, Yanning Wang, Lingmin Zhang
- Discrete Mathematics
- 2008

A graph G is said to be chromatic-choosable if ch(G)= (G). Ohba has conjectured that every graph G with 2 (G)+ 1 or fewer vertices is chromatic-choosable. It is clear that Ohbaâ€™s conjecture is true if and only if it is true for complete multipartite graphs. But for complete multipartite graphs, the graphs for which Ohbaâ€™s conjecture has been verified areâ€¦ (More)

- Li Wang, Lingmin Zhang, +8 authors Gaolin Fan
- Journal of anxiety disorders
- 2015

By analyzing data yielded from a sample of Chinese adolescents surviving a high-intensity earthquake, this study investigated the underlying dimensionality of DSM-5 PTSD symptoms. The sample included 743 traumatized middle school students (396 females and 332 males) aged 11-17 years (mean=13.6, SD=1.0). Results of confirmatory factor analysis showed that anâ€¦ (More)

- Jiangtao Zhang, Zhixiang He, Hejiao Huang, Xuan Wang, Chonglin Gu, Lingmin Zhang
- 2014 IEEE 33rd International Performanceâ€¦
- 2014

Servers and network contribute about 60% to the total cost of data center in cloud computing. How to efficiently place virtual machines so that the cost can be saved as much as possible, while guaranteeing the quality of service plays a critical role in enhancing the competitiveness of service cloud provider. Considering the heterogeneous servers and theâ€¦ (More)

- Chonglin Gu, Lingmin Zhang, Zhixiang He, Hejiao Huang, Xiaohua Jia
- 2015 IEEE 34th International Performanceâ€¦
- 2015

In this paper, we study the issue of minimizing the total energy cost for green cloud data centers with time varying and location varying electricity prices and supply of renewable energy. Given the budget of energy cost, schedule the requests, servers, and power usage of different sources, such that the total cost can be minimized. We formulate the problemâ€¦ (More)

- Lingmin Zhang, Suhong Li, Zuoli Chen, Juan Du, Mingjing Gao
- 2010 First ACIS International Symposium onâ€¦
- 2010

In this paper, we prove a strong convergence theorem by the shrinking projection method for a sequence of hemi-relatively nonexpansive mappings in Banach space.

- Lingmin Zhang, Guoping Zheng, Zuoli Chen, Suhong Li
- 2010 The 2nd International Conference onâ€¦
- 2010

The new curriculum standard gives higher requirements to the teaching ability of middle school mathematics teachers, such as: the ability of teaching students how to learn well, applying new teaching theory and modern information technology, and exploiting and using curriculum resources. For this, middle school mathematics teachers should improve theirâ€¦ (More)

- Wenjie He, Lingmin Zhang, Daniel W. Cranston, Yufa Shen, Guoping Zheng
- Discrete Mathematics
- 2008

A graphG is called chromatic-choosable if its choice number is equal to its chromatic number, namely Ch(G) = Ï‡(G). Ohba has conjectured that every graph G satisfying |V (G)| â‰¤ 2Ï‡(G)+1 is chromatic-choosable. Since each k-chromatic graph is a subgraph of a complete k-partite graph, we see that Ohbaâ€™s conjecture is true if and only if it is true for everyâ€¦ (More)

- Lingmin Zhang, Suhong Li, Xin Xiao, Huijuan Zhao
- ICICA
- 2012

- Jiangtao Zhang, Lingmin Zhang, Hejiao Huang, Zeo L. Jiang, Xuan Wang
- IoTBD
- 2016

- Jiangtao Zhang, Lingmin Zhang, Hejiao Huang, Zeo L. Jiang, Xuan Wang
- Future Generation Comp. Syst.
- 2016