Qinghai Liu

According to our database, Qinghai Liu authored at least 47 papers between 2008 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of two.

2023

Connectivity keeping trees in 3-connected or 3-edge-connected graphs.

Haiyang Liu, Qinghai Liu, Yanmei Hong

Discret. Math., December, 2023

Two completely independent spanning trees of split graphs.

Xiaodong Chen, Qinghai Liu, Xiwu Yang

Discret. Appl. Math., December, 2023

Digital-Twin-Assisted Resource Allocation for Network Slicing in Industry 4.0 and Beyond Using Distributed Deep Reinforcement Learning.

Lun Tang, Yucong Du, Qinghai Liu, Jinyu Li, Shirui Li, Qianbin Chen

IEEE Internet Things J., October, 2023

Handoff Control and Resource Allocation for RAN Slicing in IoT Based on DTN: An Improved Algorithm Based on Actor-Critic Framework.

Li Li, Lun Tang, Qinghai Liu, Yaqing Wang, Xiaoqiang He, Qianbin Chen

IEEE Internet Things J., August, 2023

Equilibrated and Fast Resources Allocation for Massive and Diversified MTC Services Using Multiagent Deep Reinforcement Learning.

Lun Tang, Yucong Du, Qianbin Chen, Qinghai Liu, Jinyu Li, Shirui Li

IEEE Internet Things J., 2023

Deep Reinforcement Learning for Resource Demand Prediction and Virtual Function Network Migration in Digital Twin Network.

Qinghai Liu, Lun Tang, Ting Wu, Qianbin Chen

IEEE Internet Things J., 2023

DTN-Assisted Dynamic Cooperative Slicing for Delay-Sensitive Service in MEC-Enabled IoT via Deep Deterministic Policy Gradient With Variable Action.

Li Li, Lun Tang, Qinghai Liu, Yaqing Wang, Xiaoqiang He, Qianbin Chen

IEEE Internet Things J., 2023

Federated Continuous Learning Based on Stacked Broad Learning System Assisted by Digital Twin Networks: An Incremental Learning Approach for Intrusion Detection in UAV Networks.

Xiaoqiang He, Qianbin Chen, Lun Tang, Weili Wang, Tong Liu, Li Li, Qinghai Liu, Jia Luo

IEEE Internet Things J., 2023

Stacked Broad Learning System Empowered FCL Assisted by DTN for Intrusion Detection in UAV Networks.

Xiaoqiang He, Qianbin Chen, Weili Wang, Tong Li, Li Li, Lun Tang, Qinghai Liu

Proceedings of the IEEE Global Communications Conference, 2023

Disjoint-Path and Golden-Pin Based Irregular PCB Routing with Complex Constraints.

Qinghai Liu, Qinfei Tang, Jiarui Chen, Chuandong Chen, Ziran Zhu, Huan He, Jianli Chen, Yao-Wen Chang

Proceedings of the 60th ACM/IEEE Design Automation Conference, 2023

A Matching Based Escape Routing Algorithm with Variable Design Rules and Constraints.

Qinghai Liu, Disi Lin, Chuandong Chen, Huan He, Jianli Chen, Yao-Wen Chang

Proceedings of the 60th ACM/IEEE Design Automation Conference, 2023

Efficient Global Optimization for Large Scaled Ordered Escape Routing.

Chuandong Chen, Dishi Lin, Rongshan Wei, Qinghai Liu, Ziran Zhu, Jianli Chen

Proceedings of the 28th Asia and South Pacific Design Automation Conference, 2023

2022

Mader's conjecture for graphs with small connectivity.

Yanmei Hong, Qinghai Liu

J. Graph Theory, 2022

2021

The chromatic number of { ISK4ISK4 ISK 4 , diamond, bowtie}-free graphs.

Guantao Chen, Yuan Chen, Qing Cui, Xing Feng, Qinghai Liu

J. Graph Theory, 2021

Connectivity keeping caterpillars and spiders in 2-connected graphs.

Yanmei Hong, Qinghai Liu, Changhong Lu, Qingjie Ye

Discret. Math., 2021

Implications in rainbow forbidden subgraphs.

Qing Cui, Qinghai Liu, Colton Magnant, Akira Saito

Discret. Math., 2021

On Gallai's conjecture for graphs with maximum degree 6.

Yanan Chu, Genghua Fan, Qinghai Liu

Discret. Math., 2021

Trail-connected tournaments.

Juan Liu, Qinghai Liu, Xindong Zhang, Xing Chen

Appl. Math. Comput., 2021

2020

SIR Meta Distribution in the Heterogeneous and Hybrid Networks.

Yuhong Sun, Qinghai Liu, Hua Wang

Wirel. Commun. Mob. Comput., 2020

A characterization of nonfeasible sets in matching covered graphs.

Qinghai Liu, Qing Cui, Xing Feng, Fuliang Lu

J. Graph Theory, 2020

The Chromatic Number of Graphs with No Induced Subdivision of K₄.

Guantao Chen, Yuan Chen, Qing Cui, Xing Feng, Qinghai Liu

Graphs Comb., 2020

Edge decomposition of connected claw-free cubic graphs.

Yanmei Hong, Qinghai Liu, Nannan Yu

Discret. Appl. Math., 2020

Hamiltonian Path Based Mixed-Cell-Height Legalization for Neighbor Diffusion Effect Mitigation.

Jianli Chen, Ziran Zhu, Qinghai Liu, Yimin Zhang, Wenxing Zhu, Yao-Wen Chang

Proceedings of the 57th ACM/IEEE Design Automation Conference, 2020

2019

2-bisections in claw-free cubic multigraphs.

Qing Cui, Qinghai Liu

Discret. Appl. Math., 2019

The reliability of lexicographic product digraphs.

Qinghai Liu, Yanmei Hong

Appl. Math. Comput., 2019

2018

Circumference of 3-connected cubic graphs.

Qinghai Liu, Xingxing Yu, Zhao Zhang

J. Comb. Theory, Ser. B, 2018

Bipartite Ramsey Numbers for Graphs of Small Bandwidth.

Lili Shen, Qizhong Lin, Qinghai Liu

Electron. J. Comb., 2018

2017

Characterization of Digraphic Sequences with Strongly Connected Realizations.

Yanmei Hong, Qinghai Liu, Hong-Jian Lai

J. Graph Theory, 2017

2016

Degree condition for completely independent spanning trees.

Xia Hong, Qinghai Liu

Inf. Process. Lett., 2016

Ore-type degree condition of supereulerian digraphs.

Yanmei Hong, Qinghai Liu, Hong-Jian Lai

Discret. Math., 2016

Fractional spanning tree packing, forest covering and eigenvalues.

Yanmei Hong, Xiaofeng Gu, Hong-Jian Lai, Qinghai Liu

Discret. Appl. Math., 2016

2014

Supereulerian digraphs.

Yanmei Hong, Hong-Jian Lai, Qinghai Liu

Discret. Math., 2014

Ore's condition for completely independent spanning trees.

Genghua Fan, Yanmei Hong, Qinghai Liu

Discret. Appl. Math., 2014

Using Symmetry Dicke State as Security Detection Particle in Quantum "Ping-Pong" Protocol.

Qinghai Liu, Hong Shen, Hui Tian, Yingpeng Sang

Proceedings of the Sixth International Symposium on Parallel Architectures, 2014

A Privacy-Preserving Data Publishing Method for Multiple Numerical Sensitive Attributes via Clustering and Multi-sensitive Bucketization.

Qinghai Liu, Hong Shen, Yingpeng Sang

Proceedings of the Sixth International Symposium on Parallel Architectures, 2014

2013

Optimally restricted edge connected elementary Harary graphs.

Qinghai Liu, Xiaohui Huang, Zhao Zhang

Theor. Comput. Sci., 2013

2012

A New Proof for Zassenhaus-Groemer-Oler inequality.

Qinghai Liu, Xiang Li, Lidong Wu, Hai Du, Zhao Zhang, Weili Wu, Xiaodong Hu, Yinfeng Xu

Discret. Math. Algorithms Appl., 2012

2011

On minimum submodular cover with submodular cost.

Hongjie Du, Weili Wu, Wonjun Lee, Qinghai Liu, Zhao Zhang, Ding-Zhu Du

J. Glob. Optim., 2011

Cyclic Connectivity of Star Graph.

Qinghai Liu, Zhao Zhang, Zhihua Yu

Discret. Math. Algorithms Appl., 2011

Restricted Edge Connectivity of Harary Graphs.

Qinghai Liu, Xiaohui Huang, Zhao Zhang

Proceedings of the Combinatorial Optimization and Applications, 2011

2010

Sufficient conditions for a graph to be lambda_<i>k</i>-optimal with given girth and diameter.

Zhao Zhang, Qinghai Liu

Networks, 2010

The existence and upper bound for two types of restricted connectivity.

Qinghai Liu, Zhao Zhang

Discret. Appl. Math., 2010

Cyclic Vertex Connectivity of Star Graphs.

Zhihua Yu, Qinghai Liu, Zhao Zhang

Proceedings of the Combinatorial Optimization and Applications, 2010

2009

Two Algorithms for Connected R-Hop k-Dominating Set.

Zhao Zhang, Qinghai Liu, Deying Li

Discret. Math. Algorithms Appl., 2009

Edges of degree k in minimally restricted k-edge connected graphs.

Yanmei Hong, Zhao Zhang, Qinghai Liu

Discret. Math., 2009

Minimally 3-restricted edge connected graphs.

Qinghai Liu, Yanmei Hong, Zhao Zhang

Discret. Appl. Math., 2009

2008

Minimally restricted edge connected graphs.

Yanmei Hong, Qinghai Liu, Zhao Zhang

Appl. Math. Lett., 2008