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电子邮件：maoyaping@ymail.com
家庭住址：青海省西宁市五四西路38号,810008
青海师范大学数学与统计学院
青海省数学与交叉科学中心
研究领域
图论及其应用
算法和复杂性分析
网络科学
学术经历学术经历
2019年7月担任《International Journal of Computer Mathematics: Computer Systems Theory》副编辑.
2018年12月担任《Journal of Interconnection Networks 》客座编辑.
2017年8月担任《Journal of Algebra, Combinatorics, Discrete Structures and Applications》编委.
2014年6月毕业于南开大学组合数学中心，获得理学博士学位，导师为李学良教授.
工作经历
2018年6月至今，青海师范大学计算机学院博士生导师.
2016年9月至今，青海师范大学数学与统计学院硕士研究生导师.
2017年12月至今，青海师范大学教授.
2015年12月-2017年11月，青海师范大学副教授、直聘教授.
行政经历
2018年7月至今，青海省一流学科（数学）负责人.
2017年7月至今，青海师范大学数学与统计学院副院长.
2017年4月至5月，青海师范大学数学与统计学院院长助理.
国际交流
Invited Talk: Gallai Ramsey Number of Graphs, the C5 Graph Theory Workshop 2019, Technische Universitat Bergakademie Freiberg, Rathen, Germany, 4/5/2019-11/5/2019.
Invited Talk: Steiner Distance in Graphs, Chemical Applications of Combinatorics and Graph theory, Faculty of Science, Shahid Rajaee Teacher Training University, Tehran, Iran, 16/2/2019-22/2/2019.
2017年7-9月，美国Okaland大学访问学者，合作导师为Eddie Cheng教授.
2015年1-3月，加拿大Simon Frazer大学访问学者，合作导师为Bojan Mohar教授.
邀请报告与学术会议
Oganizer of 2019 International Conference on Colored Graphs, Big Data and Interconnection Networks,Qinghai, China, 18/7/2019-21/7/2019.
Invited Talk: Gallai Ramsey Number of Graphs, School of Mathematics, Sun Yat-sen University, China, 28/6/2019.
Invited Talk: Steiner Tree Packing Problem and Generalized Connectivity, School of Mathematics and Statistics, Guangdong University of Foreign Studies, China, 28/6/2019.
Invited Talk: Gallai Ramsey Number of Graphs, School of Mathematics and Statistics, Lanzhou University, China, 11/1/2019.
Oganizer of 2018 International Conference on Graphs, Artificial Intelligence and Complex Networks, Xining, Qinghai, China, 28/7/2018-29/7/2018.
Oganizer of the third International Symposium on the Frontier of Graph Theory, Xining, Qinghai, China, 25/4/2018.
Invited Talk: Steiner Tree Packing Problem and Generalized Connectivity, Mathematics Forum, School of Mathematics and Statistics, Lanzhou University, China, 25/11/2017-26/11/2017.
Invited Talk: Steiner Distance in Graphs, The 15th Annual Meeting of the China Society for Industrial and Applied Mathematics (CSIAM 2017), Qingdao, Shandong, China, 13/10/2017-15/10/2017.
Oganizer of 2017 International Symposium on the Frontier of Graph Theory, Xining, Qinghai, China, 3/6/2017-4/6/2017.
Program Committee member, Track on Graphs and Interconnection Networks, The 14th International Symposium on Pervasive Systems, Algorithms, and Networks (I-SPAN 2017), Exeter, Devon, UK, 21/7/2017-23/7/2017.
Oganizer of 2016 International Symposium on Structural Graph Theory, Xining, Qinghai, China, 29/10/2016-2/11/2016. Invited Talk: Steiner Tree Packing Problem and Generalized Connectivity.
教学科研奖励
人才计划
2017年12月入选青海省自然科学与工程技术学科带头人.
2017年3月入选青海省“优秀专业技术人才”.
2017年3月入选青海省“135高层次人才培养工程"拔尖学科带头人.
2016年12月首批入选青海省“高端创新人才千人计划"拔尖人才.
荣誉称号
2018年8月被授予青海省“优秀专家”荣誉称号.
2014年6月被南开大学授予“南开大学研究生优秀毕业生”荣誉称号.
科研奖励
2018年12月荣获青海省自然科学与工程技术优秀学科带头人.
2013年10月获得南开大学研究生优秀奖学金一等奖.
教学荣誉
2016年8月获得第三届全国青年教师教学竞赛三等奖.
2017年12月，景琦同学荣获全国高等学校第五届师范生教学技能大赛三等奖（指导教师）.
社会奖励
2017年5月荣获"青海青年五四奖章".
科研项目科研项目(国家级)
2017年1月-2019年12月，主持国家自然科学基金青年项目：斯坦纳树填装数猜想与图的树连通度(19万)，批准号：11601254.
2016年1月-2018年12月，主持国家自然科学基金应急管理项目：图的广义连通度和斯坦纳距离(15万)，批准号：11551001.
2014年7月-2017年12月，参与国家自然科学基金项目: 图的谱特征和色性问题及其关系研究(38万), 批准号：11461054.
2013年1月-2017年12月，参与国家自然科学基金面上项目：图的彩虹连通与广义连通度(55万)，批准号：11371205.
2012年1月-2015年12月，参与国家自然科学基金项目：图的代数性质与拓扑指标关系研究(50万)，批准号：11161037.
2011年7月-2013年12月，参与青海省自然科学基金项目：代数图论与图的拓扑参数理论研究(6万)，批准号：2011-Z-907.
外专项目(国家级)
2018年1月-2018年12月，主持国家外专局2018年度教科文卫重点引智项目：结构图论若干问题及其应用(15万), 批准号：20176300070.
2017年1月-2017年12月，主持国家外专局2017年度教科文卫重点引智项目：结构图论若干问题及其应用(8万), 批准号：20176300053.
2016年1月-2016年12月，主持国家外专局2016年度教科文卫重点引智项目：斯坦纳树结构参数研究(8万), 批准号：20166300027 .
天元项目(国家级)
2019年1月-2019年12月，负责国家天元数学西北中心前沿学术项目：2019大数据与互联网科学国际研讨会(2万)，批准号：QY201908.
2018年1月-2018年12月，负责国家天元数学西北中心前沿学术项目：2018图论、人工智能与复杂网络国际研讨会(8万)，批准号：QY201808.
2018年1月-2018年12月，负责国家天元数学西北中心前沿学术项目：数学与人工智能文化传播--青藏高原大师论道(8万)，批准号：QY201812.
科研项目(省部级)
2016年6月-2019年12月，主持青海省自然科学基金青年项目：图的斯坦纳直径与彩虹连通度(10万)，批准号：2016-ZJ-948Q.
2016年1月-2017年12月，主持青海师范大学校级项目：图的斯坦纳维纳指标(2万).
2014年7月-2017年12月，参与青海省自然科学基金项目面上项目: 图的连通性与代数性质研究(20万), 批准号：2014-ZJ-907.
2011年7月-2013年12月，参与青海省自然科学基金项目：代数图论与图的拓扑参数理论研究(6万)，批准号：2011-Z-907.
教学项目
2016年1月-2017年12月，参与《组合数学》研究生精品课程(2万).
2016年1月-2017年12月，参与《图论及其应用》研究生精品课程(2万).
其它项目
2016年7月-2017年7月，指导本科生创新项目：斯坦纳结构参数研究(1万).
科研成果Books
Generalized Connectivity of Graphs, Springer Briefs in Mathematics, Springer, Switzerland, 2016. (with Xueliang Li)
Nordhaus-Gaddum Type Results in Chemical Graph Theory, Bounds in Chemical Graph Theory--Advances (eds. I. Gutman, B. Furtula, K.C. Das, E. Milovanovic, I. Milovanovic, Univ. Kragujevac, Kragujevac, 2017, pp. 3-127.
Survey Papers
Steiner distance in graphs-A survey, arXiv:1708.05779 [math.CO] 2017.
A survey on the generalized connectivity of graphs, arXiv:1207.1838 [math.CO] 2012. (with Xueliang Li)
Papers
Submittted Papers
Strong matching preclusion for date center networks, submitted. (with Tianlong Ma, Eddie Cheng, Ping Han)
Vertex Matching preclusion number of graphs, submitted. (with Ran Gu, Zhao Wang, Eddie Cheng, and Christopher Melekian)
On the g-extra connectivity of graphs,submitted. (with Zhao Wang, and Sun-Yuan Hsieh)
On the g-goog neigbor connectivity of graphs,submitted. (with Zhao Wang, Sun-Yuan Hsieh, and Jichang Wu)
Generalized (edge-)connectivity of join, corona and cluster, submitted. (with Zhao Wang, Bo Deng, and Haixing Zhao)
Generalized connectivity of random graphs, submitted. (with Ran Gu)
Path connectivity of random graphs, submitted. (with Ran Gu and Hongjian Lai)
Note on the matching preclusion number of random graphs, submitted. (with Ran Gu)
Gallai-Ramsey number for fans, submitted. (with Zhao Wang, Colton Maganant, Ingo Schiermeyer, and Jinyu Zou)
Ramsey and Gallai-Ramsey. number for stars with extra independent edges, submitted. (with Zhao Wang, Colton Maganant, and Ingo Schiermeyer)
Ramsey and Gallai-Ramsey number for wheels, submitted. (with Zhao Wang, Colton Maganant, and Ingo Schiermeyer)
Gallai-Ramsey number for double stars, submitted. (with Zhao Wang, Colton Maganant, and Jinyu Zou)
Ramsey and Gallai-Ramsey numbers for two classes of unicyclic graphs, submitted. (with Zhao Wang, Jinyu Zou, and Colton Maganant)
Nordhaus-Guddum type results for the Steiner Gutman index of graphs, submitted. (with Zhao Wang and Kinkar Chandra Das)
Steiner diameter, maximum degree and size, submitted. (with Zhao Wang)
Steiner 3-diameter, maximum degree and size, submitted.
Linear k-arboricity of Caylay graphs on Abelian groups with given degree, submitted. (with Nan Jia, Zhao Wang, and Eddie Cheng)
Constructing internally disjoint pendant Steiner trees in lexicographic product networks, submitted (with Christopher Melekian, and Eddie Cheng)
On distance based graph invariants, submitted. (with Kinkar Chandra Das, Ivan Gutman)
Gallai-Ramsey number for odd cycles, submitted. (with Zhao Wang, Colton Maganant, Ingo Schiermeyer, and Jinyu Zou)
Accepted Papers
Gallai-Ramsey number for books, Discrete Appl. Math., in press. (with Jinyu Zou, Zhao Wang, Colton Maganant, and Chengfu Ye) (SCI)
Fractional matching preclusion for arrangement graphs, Discrete Appl. Math., in press. (with Tianlong Ma, Eddie Cheng, and Jinling Wang) (SCI)
Removable edges on a Hamilton cycle or outside a cycle in a 4-connected graph, Discuss. Math. Graph Theory, in press (with Jichang Wu, Hajo Broersma, Qin Ma) (SCI)
Bounds for the spectral radius and energy of extended adjacency matrix of graphs, Linear Multilinear Algebra, in press (with Zhao Wang, Boris Furtula, Xu Wang) (SCI)
Strong geodesic number of graphs, Bull. Malays. Math. Sci. Soc., in press. (with Zhao Wang, Huifen Ge, Colton Maganant) (SCI)
Conflict-free vertex-connection of graphs, Discuss. Math. Graph Theory , in press (with Xueliang Li, Xiaoyu Zhu, Yingying Zhang, and S. Jendrol) (SCI)
Published Papers
2019
Matching preclusion number of graphs, Theor. Comput. Sci. 759 (2019), 61-71. (with Zhao Wang, Eddie Cheng, Jinyu Zou) (SCI)
Matching preclusion number in product graphs, Theor. Comput. Sci. 755 (2019), 38-47. (with Zhao Wang, Christopher Melekian, Eddie Cheng) (SCI)
On conflict-free connection of graphs, Discrete Appl. Math. 255 (2019), 167-182. (with Hong Chang, Zhong Huang, Xueliang Li, Haixing Zhao) (SCI)
Invulnerability of planar two-tree networks, Theor. Comput. Sci. 767 (2019), 167-182. (with Yuzhi Xiao and Haixing Zhao, Guanrong Chen) (SCI)
Fractional matching preclusion for generalized augmented cubes, Discrete Math. Theor. Comput. Sci. 21(4) (2019), #6. (with Tianlong Ma, Eddie Cheng, and Christopher Melekian) (SCI)
Steiner distance in join, corona, cluster, and threshold graphs, J. Inf. Sci. Eng. 35 (2019), 721-735. (with Zhao Wang, Christopher Melekian, and Eddie Cheng) (SCI)
Steiner (revised) Szeged index of graphs, MATCH Commun. Math. Comput. Chem. 82(3) (2019), 733-742. (with Modjtaba Ghorbani, Xueliang Li, Hamid Reza Maimani, Shaghayegh Rahmani, Mina Rajabi-Parsa) (SCI)
General blaschke bodies and the asymmetric negative solutions of Shephard problem, Mathematics 7(7) (2019), 610. (with Tian Li, Weidong Wang) (SCI)
Steiner degree distance of two graph products, An. Sti. Univer. Ovid. Co.-Seria Mat. 27(2) (2019), (with Zhao Wang, Kinka Chandra Das) (SCI)
A concise survey of matching preclusion in interconnection networks, JOIN 19(3) (2019), 1940006. (with Eddie Cheng) (EI)
2018
Steiner distance in product networks, Discrete Math. Theor. Comput. Sci. 20(2) (2018), #8. (with Eddie Cheng and Zhao Wang) (SCI)
Strong matching preclusion number of graphs, Theor. Comput. Sci. 713 (2018), 11-20. (with Zhao Wang, Eddie Cheng, and Christopher Melekian) (SCI)
Steiner Gutman index, MATCH Commun. Math. Comput. Chem. 79 (2018), 779-794. (with Kinkar Chandra Das) (SCI)
Inverse problem on the Steiner Wiener index, Discuss. Math. Graph Theory 38 (2018), 83-95. (with Xueliang Li and Ivan Gutman) (SCI)
Proper coloring connectivity of graph products, Bull. Malays. Math. Sci. Soc. 41(4) (2018), 2041-2051. (with Fengnan Yanling, Zhao Wang, and Chengfu Ye) (SCI)
A result on the 3-generalized connectivity of a graph and its line graph, Bull. Malays. Math. Sci. Soc. 41(4) (2018), 2019-2027. (with Yinkui Li) (SCI)
Graphs with given k-independence number, Utilitas Math. 106 (2018), 51-64. (with Junliang Cai and Zhao Wang) (SCI)
Constructing internally disjoint pendant Steiner trees in Cartesian product networks, Australasian J. Combin. 70(1)(2018), 28-51. (EI)
Steiner 4-diameter of a graph, JOIN 18 (2018), 1850002. (with Zhao Wang, Hengzhe Li, and Chengfu Ye) (EI)
Fractional matching preclusion for (n,k)-star graphs, Parall. Process. Lett. 28(04) (2018), 1850017. (with Tianlong Ma, Eddie Cheng, Jinling Wang) (EI)
The k-independent number of graph products, Ars Math. Contemp. 1 (2018), P01. (with Eddie Cheng, Zhao Wang, and Zhiwei Guo)
A note on the Steiner (n-k)-diameter of a graph, Int. J. Comput. Math.: CST 3(1) (2018), 41-46. (with Eddie Cheng and Christopher Melekian)
2017
Nordhaus-Gaddum-type results for the Steiner Wiener index of graphs, Discrete Appl. Math. 219(2017) 167-175. (with Zhao Wang, Ivan Gutman, He Li) (SCI)
A solution to a conjecture on the generalized connectivity of graphs, J. Combin. Optim. 33(1)(2017), 275-282. (with Lily Chen, Xueliang Li, Mengmeng Liu) (SCI)
Steiner degree distance, MATCH Commun. Math. Comput. Chem. 78(1)(2017), 221-230. (with Zhao Wang, Ivan Gutman, and Antoaneta Klobucar) (SCI)
Order trees by the number of subtrees, Int. J. Comput. Math. 94(2)(2017), 372-385. (with Yuzhi Xiao, Haixing Zhao, and Zhen Yan) (SCI)
Constructing edge-disjoint Steiner paths in lexicographic product graphs, Appl. Math. Comput. 308(1)(2017), 1-10. (SCI)
The Steiner diameter of a graph, Bull. Iran. Math. Soc. 43(2)(2017), 439-454. (SCI)
Conflict-free connection numbers of line graphs, Lecture Notes in Computer Science Vol. 10627, Proceedings of COCOA 2017, Shanghai, China (SCI)
Steiner Wiener index and connectivity of graphs, Utilitas Math. 102(2017), 51-57. (with Zhao Wang, Yuzhi Xiao, and Chengfu Ye) (SCI)
Super edge-connectivity of strong product graphs, JOIN 17(2) (2017) 1750007. (with Zhao Wang, Chengfu Ye, and Haixing Zhao) (EI)
2016
Path connectivity of lexicographical product graphs, Int.J. Comput. Math. 93(1)(2016), 27-39. (SCI)
The vertex-rainbow index of a graph, Discuss. Math. Graph Theory 36(3)(2016), 669-681. (SCI)
Rainbow vertex-connection and graph products, Int. J. Comput. Math.93(7)(2016), 1078-1092. (with Fengnan Yanling, Zhao Wang, and Chengfu Ye) (SCI)
On the equitable vertex arboricity of complete bipartite graphs, Utilitas Math. 99(2016), 403-411. (with Zhiwei Guo, Haixing Zhao, and Chengfu Ye) (SCI)
A small-world network derived from the deterministic uniform recursive tree by line graph operation, J. Phys. A: Math. Theor. 49(2016), 115101 (with Pengfeng Hou, Haixing Zhao, and Zhao Wang) (SCI)
The Steiner Wiener index of a graph, Discuss. Math. Graph Theory 36(2)(2016), 455-465. (with Xueliang Li and Ivan Gutman) (SCI)
Steiner Wiener index of graph products,Trans. Combin. 5(3)(2016), 39-50. (with Zhao Wang and Ivan Gutman) (SCI)
The fifth coefficient of adjoint polynomial and a new invariant, Ars Combin. 128(2016), 83-102. (with Chengfu Ye) (SCI)
Graphs with large generalized (edge-)connectivity, Discuss. Math. Graph Theory 36 (2016) 931-958. (with Xueliang Li) (SCI)
Line k-arboricity in product networks, JOIN 16(3,4)(2016), 1650008. (with Zhiwei Guo, Nan Jia, He Li) (EI)
2015
On extremal graphs with at most l internally disjoint Steiner trees connecting any n-1 vertices, Graphs Combin.31(6)(2015), 2231-2259. (with Xueliang Li) (SCI)
Nordhaus-Gaddum-type results for the generalized edge-connectivity of graphs, Discrete Appl. Math. 185(2015),102-112. (with Xueliang Li) (SCI,EI)
Note on the spanning-tree packing number of lexicographic product graphs, Discrete Math. 338(5,6)(2015), 669-673. (with Hengzhe Li, Xueliang Li, and Jun Yue) (SCI)
More on a conjecture about tricyclic graphs with maximal energy, MATCH Commun. Math. Comput. Chem. 73(1)(2015), 11-26. (with Xueliang Li and Meiqin Wei) (SCI)
The minimal size of a graph with given generalized 3-edge-connectivity, Ars Combin. 118(2015), 63-72. (with Xueliang Li) (SCI)
On the equitable vertex arboricity of complete tripartite graphs, Inform. Proc. Lett. 115(2015), 977-982. (with Zhiwei Guo and Haixing Zhao) (SCI)
Searching (near) optimal codes, Lecture Notes in Computer Science(LNCS) Vol.9486 (Proceedings of COCOA2015, Houston, USA)(with Xueliang Li, Meiqin Wei, and Ruihu Li) (SCI)
2014
The generalized 3-connectivity of lexigraphical product graphs,Discrete Math. Theor. Comput. Sci. 16(1)(2014), 339-354.(with Xueliang Li) (SCI)
On extremal graphs with at most two internally disjoint Steiner trees connecting any three vertices, Bull. Malays. Math. Sci. Soc. (2)37(3)(2014), 747-756. (with Hengzhe Li and Xueliang Li) (SCI)
On the generalized (edge-)connectivity of graphs, Australasian J. Combin. 58(2)(2014), 304-319. (with Xueliang Li and Yuefang Sun)
The strong rainbow vertex-connection of graphs, Utilitus Math. 93(2014), 213-223. (with Xueliang Li and Yongtang Shi) (SCI)
Note on the generalized connectivity, Ars Combin. 114(2014), 193-202. (with Hengzhe Li, Xueliang Li, and Yuefang Sun) (SCI)
学术与社会兼职
学术兼职
美国《Mathematical Reviews》评论员.
中国运筹学会图论组合分会青年理事.
应邀为以下学术期刊审稿：
Discrete Mathematics;
Discrete Applied Mathematics;
Graphs and Combinatorics;
Czechoslovak Mathematical Journal;
Discussiones Mathematicae Graph Theory;
Bulletin of the Malaysian Mathematical Sciences Society;
Acta Mathematicae Applicatae Sinica (English Series) ;
International Journal of Computer Mathematics;
Journal of Combinatorial Optimization;
Theoretical Computer Science;
Information Processing Letters;
Parallel Processing Letters;
Journal of Parallel and Distributed Computing;
Applied Mathematics and Computation;
MATCH Communications in Mathematical and in Computer Chemistry；
IEEE Transaction on Reliability;
Advance in Mathematics;
Ars Combinatoria;
PLOS ONE;
青海师范大学学位委员会委员.
社会兼职
青海省政协十二届委员会委员 (2018.1-)
青海省青年联合会第十届委员会委员(2017.1-2018.12)，第十一届常委、教育界别副主任委员(2019.1-)
民革青海省省委第八届委员会委员 (2017.6-)
青海省监察厅特邀监察员 (2017.5-)
研究生培养
学术型在读博士研究生： 王 旭 （2019级）
学术型毕业硕士研究生： 葛惠芬（2016级）
学术型在读硕士研究生： 韩 萍 （2017级) 朱 波（2018级） 张双双（2018级） 张 鹤（2018级）司 源（2019级） 王 珂（2019级） 苏靖宇（2019级）
专业型在读硕士研究生： 解晓莉（2018级） 徐 倩 （2018级）
邀请国际专家
Miklós Simonovits ，Hungarian Academy of Sciences, 28/10/2016-4/11/2016, Talk Title: Various Applications of the Stability Method in Extremal Graph Theory and Related Areas;
林宇清, University of Newcastle, 28/10/2016-2/11/2016, Talk Title: Factorization of Regular Graphs;
刘九强, Eastern Michigan University， USA, 28/10/2016-30/10/2016，Talk Title: Cross t-intersecting Families in Set Systems;
傅恒霖,台湾交通大学，28/10/2016-4/11/2016, Talk Title: Multicolored Subgraphs in Properly Edge-colored Graphs;
高金美，台湾淡江大学，28/10/2016-4/11/2016, Talk Title: Graph Decomposition;
Henry Liu, 中南大学，8/10/2016-4/11/2016, Talk Title: Connected Subgraphs in Edge-Coloured Graphs;
Colton Magnant, Georgia Southern University, USA, 8/10/2016-4/11/2016,Talk Title: Gallai-Ramsey numbers for finding either a rainbow triangle or some small monochromatic subgraphs; /7/2017-31/7/2017, Talk Title:Gallai-Ramsey numbers - General bounds and sharp cases ；
郁星星，Georgia Institute of Technology, USA, 8/10/2017-4/11/2017, Talk Title: On judicious bipartitions of graphs; 9/7/2017-30/7/2017, Talk Title：Problems related to the Four Color Theorem ；
宋梓霞, University of Central Florida, USA, 8/10/2017-4/11/2017, Talk Title: On saturated graphs; 29/7/2017-30/7/2017, Talk Title: Multicolor Gallai-Ramsey numbers of cycles;
Ioannis Manoussakis, University Paris South, France, 8/10/2017-4/11/2017, Talk Title: Algorithmic and structural results on the existence of tropical subgraphs in vertex-colored graphs;
Kinkar Chandra Das, Sungkyunkwan University, USA, 8/10/2017-4/1/2018, Talk Title: Comparison between topological indecies of graphs;
Alexander Anatolievich Ivanov, Imperial College London, UK, 24/4/2018-27/4/2018, Talk Title: The Mathieu Groups;
Elena Konstantinova, Novosibirsk State University, 24/4/2018-27/4/2018, Talk Title: Chromatic properties of Cayley graphs;
Julien Bensmail, University of Côte d’Azur, France, 24/4/2018-27/4/2018, Talk Title: On augmenting matchings via bounded-length augmentations;
罗荣，West Virginia University, USA,24/4/2018-27/4/2018, Talk Title: Edge coloring of simple graphs on surfaces;
Johanne Cohen, French National Centre for Scientific Research, France, 24/5/2018-27/5/2018, Talk Title: Self-stabilizing algorithms for matching；
Evelyne Flandrin, University Paris South, France, 24/5/2018-27/5/2018, Talk Title: Cycles in graphs and in prisms of graphs；
Antoine Lobstein, French National Centre for Scientific Research, France, 24/5/2018-27/5/2018, Talk Title: On codes identifying vertices in graphs；
Ioannis Manoussakis, University Paris South, France, 24/5/2018-27/5/2018, Talk Title: Subgraphs with specified color properties in vertex- or edge-colored graphs；
李皓， French National Centre for Scientific Research, France, 24/5/2018-27/5/2018, Talk Title: On pancyclic；
陈冠涛，Georgia State University ,USA,25/7/2018-1/8/2018，Talk Title:Progress on Goldberg’s conjecture ；
Ingo Schiermeyer, Freiberg University of Mining and Technology,Germany, 27/7/2018-30/7/2018, Talk Title: Gallai Ramsey number for K_4 and K_5 ；
Hajo Broersma,University of Twente ,Netherlands, 27/7/2018-5/8/2018, Talk Title: The power of closure operations ；
赖虹建，West Virginia University, USA,26/7/2018-31/7/2018,Talk Title:Some progress on the group connectivity and modular orientations of graphs ；
Akira Saito，Nihon University，Japan， 29/7/2018-30/7/2018, Talk Title: Hamiltonian bipartite graphs in dense graphs ；
卫兵，University of Mississippi ， USA,25/7/2018-1/8/2018, Talk Title: Independent bondage number of a graph ；
周向前，Wright State University ，USA,25/7/2018-31/7/2018, Talk Title:Induction for 4-connected matroids and graphs ；
Kenta Ozeki ，Yokohama National University ，Japan， 27/7/2018-31/7/2018, Talk Title:Every 4-connected graph with crossing number 2 is hamiltonian ；
Shinya Fujita， Yokohama City University ，Japan， 27/7/2018-31/7/2018, Talk Title: Some recent results on safe sets in graphs；
吴方向，University of Saskatchewan, Canada ， 20/6/2018-22/6/2018, Talk Title:Computational Network Biology ；
Boris Furtula, University of Kragujevac, Serbia, 12/5/2019-24/5/2019, Talk Title: Molecular Descriptors and Their Quality–Testing;
培训学习
青海省第十二届政协委员培训班，全国政协干部培训中心，北戴河，9/4/2018-15/4/2018.
第十四期民革中青年干部培训班,中央社会主义学院, 北京，10/4/2017-21/4/2017.
青海省高层次人才国情研修班,海北州委党校,西海镇,海北州, 2016.