王力工


的个人主页 http://teacher.nwpu.edu.cn/wangligong

基本信息 The basic information

王力工

数学与统计学院

博士研究生毕业

理学博士

教授

数学

综合介绍 General Introduction

个人简介

      荷兰Twente大学博士,教授、博士生导师,研究方向为图论及其应用。主持国家自然基金、省、部级基金5项,作为主要成员参加国家自然科学基金5项和陕西省自然科学基金1项。现为美国《数学评论》的评论员,在《Discrete Applied Mathematics》、《Linear Algebra and its Applications》、《Discrete Mathematics》、《Graphs and Combinatorics》、《Linear and Multilinear Algebra》、《Applied Mathematics and Computation》、《Electronic Journal of Combinatorics》、《Numerical Algorithms》、《Computational and Applied Mathematics》等国内外学术期刊发表学术论文170余篇,其中已被SCI索引100余篇,被EI索引40余篇。2006年起担任硕士生导师在应用数学、运筹学与控制论、基础数学方向招收硕士生。培养28名硕士研究生,其中已毕业23人。2013年遴选为博士生导师,培养10名博士研究生,已毕业6名。指导博士生4人已获批国家自然基金委资助出国留学。指导博士论文创新基金1项,研究生创意创新种子基金6项(含重点项目1项)。

曾获陕西省第九届和第十届自然科学优秀论文一等奖和二等奖。是国家级精品课程《数学建模》课程和国家级教学成果一等奖的主要参加者。西北工业大学数学建模总教练,多次指导大学生和研究生参加国际、全国数学建模竞赛,获国际特等奖1项,国际一等奖6项,国际二等奖12项,全国一等奖5项,全国二等奖14项。指导国家级大学生创新创业训练计划5项。并被评为陕西省数学建模优秀指导教师和陕西省数学建模优秀组织工作者。2012年被评为西北工业大学本科最满意教师。


工作经历 Work Experience

2013/05 -至今,西北工业大学博士生导师。

2020/01-至今,西北工业大学,数学与统计学院,教授。

2012/05 - 2019.12,西北工业大学,理学院应用数学系,教授。

2006/05 - 2012/04,西北工业大学,理学院应用数学系,副教授。

2003/07 - 2006/04,西北工业大学,理学院应用数学系,讲师。

2000/01 - 2003/06,西北工业大学,应用数学系,讲师。

1998/07 - 1999/12,西北工业大学,应用数学系,助教。

教育经历 Education Experience

2001.11-2005.06,荷兰Twente大学,数学科学学院,获应用数学博士学位

1995.09-1998.06,青海师范大学数学系,获基础数学专业硕士学位

1986.09-1990.07,陕西师范大学数学系,获基础数学专业学士学位


教育教学 Education And Teaching

主讲本科生课程复变函数论(本科生);复变函数与积分变换(本科生);

主讲研究生课程组合数学(研究生, 博士生);代数组合(研究生);超图理论(研究生);拟阵论(博士生)


招生信息 Admission Information

博士生招生专业:数学

博士生招生方向:代数图论,极值图论,图的着色与Ramsey理论,图中禁止子图与Hamilton性,代数组合论中的谱问题。

硕士生招生专业:应用数学、运筹学与控制论、基础数学

硕士生招生方向:代数图论,极值图论,超图的张量表示及其谱理论,图谱理论及其在复杂网络中的应用。


博士毕业生去向:目前招收10名博士,6名毕业生中50%到美国、荷兰出国进行联合培养博士,毕业后在西北农林科技大学,江苏师范大学,山东师范大学等高校工作。

硕士毕业生去向:目前共培养硕士28人,已毕业 23人。毕业生中9人攻读博士学位,其他到公司6人,高校3人,中学教师5人工作。


荣誉获奖 Awards Information

1、个人奖励

[11] 获国家级教学成果一等奖, 排名第五 2014

[10]  获陕西省优秀教学成果特等奖, 排名第五(2013

[9]  获全国大学生数学建模竞赛陕西赛区优秀组织工作者(2017

[8] 获西北工业大学本科最满意教师(2012

[7]  获陕西省优秀数学建模指导教师(2011

[6] 获校优秀教学成果一等奖, 排名第五(2011

[5]  省高校优秀教学团队数学建模与数学实验教学团队核心成员(2009

[4]  国家精品课程《数学建模》主要成员(2009

[3]  获西北工业大学校奖教金(2009,2000)

[2]  《直径为5和6的整谱树》获陕西省自然科学优秀论文二等奖(2008)

[1]  学术论文《完全r-部整图》获陕西省自然科学学术论文一等奖(2006

2、指导研究生获奖

[7]  指导博士生获国家留学基金4项:郑伟(2017)、席维鸽(2017)、周倩楠(2018)、李希赫(2019)。

[6] 指导博士生获国家奖学金2项:黄政阁(2017),周倩楠(2018)。

[5] 指导硕士生获国家奖学金2项:郎伟伟(2012),杨修文(2018),杨修文(2019)。

[4] 指导硕士生获西工大优秀硕士毕业生1项:杨修文(2020

[3] 指导硕士生获理学院北京精雕奖学金,特等奖2项:杨若松(2014),段存香(2018),二等奖1项:张林朋(2019)。

[2]  指导研究生参加全国研究生数学建模竞赛, 获得全国一等奖1项、全国二等奖11项,全国三等奖9

[1]  1篇全国数模优秀论文并发表: 李想, 张锐, 赵金龙, 王力工,基于几何光学法和惠更斯原理的微波暗室性能分析, 数学实践与认识, 42(2)(2012) 192-201。

3、指导本科生的项目与获奖

1)指导本科生国家级大学生创新训练项目5

[5] 2019年度国家级大学生创新训练计划项目:图的匹配能量若干问题研究,项目批准号:No. 201910699173(指导教师:王力工;学生:董博,卜剑,胡成超,李欢)。结题为优秀。

[4] 2016年国家级大学生创新训练项目计划:图与有向图的谱唯一性问题研究,项目批准号:No. 201610699011(指导教师:王力工;学生:杨筱韵,李希赫,张尚元,包亨达,王朋超),结题为优秀。

[3] 2014年国家级大学生创新训练项目计划:图的谱确定问题研究,项目批准号:No. 201410699079(指导教师:王力工;学生:翟若男,梅若星,王展青,王克,董占鹏),结题为优秀。

[2] 2013年国家级大学生创新训练项目计划:图的IC-着色问题,项目批准号:No. 201310699069(指导教师:王力工;学生:姜臻颖、杨杨、张楚文),结题良好。

[1] 2012年国家级大学生创新训练项目计划:图的拓扑指标及其算法研究,项目批准号:No. 201210699107(指导教师:王力工;学生:罗宇,蔡高迪,谢淳,姜臻颖,黄哲彬),结题良好。

2)指导本科生省级大学生创新训练项目2

[2] 2019年陕西省级大学生创新训练项目计划:定向图的斜能量和斜秩问题研究,项目批准号:No. S201910699390(指导教师:王力工;学生:王盟,赵炳荧,冀孟达) 结题为良好。

[1] 2019年陕西省级大学生创新训练项目计划:瓜大星球”--问答式技能共享平台,项目批准号:No. S201910699215(指导教师:王力工;学生:张家鑫,马杰,付尚志,支藤,刘浔郁)结题为良好

4指导大学生参加国际、全国数学建模竞赛成绩和发表数模论文如下:

[2] 获国际特等奖1项(2015),国际一等奖6项,国际二等奖13项.

[1]国一等奖4项,全国二等奖7项,省一等奖12项,省二等奖7项。

5、指导大学生参加数学建模竞赛发表论文如下:

[3] Ligong Wang, Yizhou, Wang,Xiaojian Yang, Yunqi Zhu, How to eradicate Ebola? The Journal of Undergraduate Mathematics and Its Applications, 36(3)(2015) 211-236. 2015年国际数模特等奖论文)

[2] , 任立新, 李楠, 王力工(指导教师),基于交比不变性和针孔模型的数码相机系统标定, 工程数学学报, 25 (2008) 53-58. 2008年全国一等奖,全国数模优秀论文)

[1] 王宁, 王有江, 徐引擎, 王力工(指导教师),储油罐的变位识别与罐容表标定, 纯粹数学与应用数学, 273(2011) 397-405. 2010年全国一等奖论文)

6、指导本科毕业设计40人,其中获校优秀论文4人,院优秀论文7

[11] 校优秀论文:李希赫,有向图的无符号拉普拉斯谱半径问题研究,2017年。

[10] 院优秀论文:周扬,图的Wiener指标的若干研究,2015年。

[9] 校优秀论文:李越,四叶图和直径为6的毛毛虫树的能量研究,2013年。

[8] 院优秀论文:张智勇,基于signless Laplace谱的图像特征匹配,2012年。

[7] 校优秀论文:张程伟,几类常见的碳纳米管的拓扑指数的计算,2011年。

[6] 院优秀论文:谢苇,有关优美图的若干研究,2010年。

[5] 院优秀论文:李传亮,单圈图的Merrifield-Simmons指标研究,2009年。

[4] 院优秀论文:孙波,具有相同Wiener指标的图和它们的线图,2008年。

[3] 院优秀论文:崔雅智,关于优美图并的若干研究,2007年。

[2] 院优秀论文:李承龙,整和图的若干研究,2006年。

[1] 校优秀论文:周敏,优美图的若干研究,2003年。

7、编写教材、教辅

[3] 《数学建模简明教程》,北京:高等教育出版社,2008年。

[2] 《数学建模竞赛优秀论文精选与点评》,西北工业大学出版社, 2011年。

[1] 《复变函数与积分变换作业集》,西北工业大学出版社,2003年。


科学研究 Scientific Research

1、研究方向

代数图论,极值图论,图与有向图的谱理论,超图的张量表示及其谱理论,图中禁止子图与Hamilton性,图的染色与Ramsey理论,线性系统和鞍点问题的算法与预条件技术、大型稀疏线性系统迭代解法及应用研究等。

2、科研项目

(1)    主持科研项目

[8] 国家自然科学基金面上项目:有向图与符号有向图的谱理论研究,项目批准号:118713982019.01-2022.12

[7] 陕西省自然科学基础研究计划资助面上项目:定向图的斜谱理论的若干问题研究,项目批准号:2018JM10322018.01- 2019.12

[6] 国家自然科学基金面上项目:图与赋权图的Q谱理论及其相关问题,项目批准号:111712732012.01-2015.12

[5] 陕西省自然科学基础计划项目基金:整谱图及相关专题的研究,项目批准号:SJ08A012009.01-2010.12

[4] 教育部回国留学人员科研基金:树与图的整谱性理论研究,2009.01-2010.01

[3] 西北工业大学引进高层次人才科研启动费:图的优美图标号及算法的研究, 2004.09-2006.9

[2] 西北工业大学英才培养计划:关于图的整谱性理论研究,2003.9-2006.9

[1] 西北工业大学青年科技创新基金:图论中有关整谱树的研究,2001.11–2003.11

(2)    参与科研项目

[7] 组合数学及其应用联合研究中心西北工业大学2019年度“一带一路”及校际重要合作伙伴科技合作种子基金,起止时间: 2019:01-2020.12

[6] 国家自然科学基金项目:赋权图中重圈和重割的存在性,项目批准号:108711582009.01-2011.12,主持人为张胜贵,本人排名第二。

[5] 国家自然科学基金项目:基于图的粘连度和边粘连度的网络抗毁性研究,项目批准号:606420022007.01-2007.12,主持人为张胜贵,本人排名第三。

[4] 国家自然科学基金项目:集合对策解的公理化理论,项目批准号:705710652006.01-2008.12,主持人为孙浩,本人排名第三。

[3] 陕西省自然科学基础研究计划资助项目:限制性集合对策解的公理化方法,项目批准号:2007A092008.01-2009.12,主持人为孙浩,本人排名第三。

[2] 国家自然科学基金项目:最小权2连通生成子图问题的多项式可解情形研究,项目批准号:101010212002.01-2004.12,主持人为张胜贵,本人排名第三。

[1] 国家自然科学基金项目:着色图中有给定性质的子图和最优子图问题,项目批准号:199710692000.01-2002.12,主持人为李学良教授,本人排名第四。

3)指导研究生获西工大资助项目7

(1)  指导西北工业大学博士论文创新基金1 

[1]     博士论文创新基金:求解鞍点问题及复线性系统的迭代法研究,项目批准号:No. CX2016282015.11-2018.06(指导教师:王力工;学生:黄政阁)。

(2) 指导西北工业大学研究生创新种子基金6

[6] 2020年研究生创意创新种子基金:图的Turán数及其极值问题的研究,2020.01-2020.12(指导教师:王力工;学生:张林朋,杨金星,杨修文)。

[5] 2019年研究生创意创新种子基金(重点项目):有向图能量及其相关问题的研究,2019.01-2019.12(指导教师:王力工;学生:杨修文,杨金铃,段存香)。

[4] 2018年研究生创意新种子基金:图的连通度、韧度、生成树与特征值的关系,项目批准号:No. ZZ20171712018.01-2018.12(指导教师:王力工;学生:段存香,李希赫,刘香香)。

[3] 2017年研究生创意新种子基金:关于图的能量和谱半径的研究,项目批准号:No. Z20171902017.01-2017.12(指导教师:王力工;学生:刘香香,席维鸽,段存香)。

[2] 2016年研究生创意新种子基金:无符号拉普拉斯谱 Turán 型问题的研究,项目批准号:No. Z20161702016.01-2016.12(指导教师:王力工;学生:孔琪,周倩楠,田晓国,刘香香)。

[1] 2014年研究生创意新种子基金:图的距离谱的研究,项目批准号:No. Z20141732014.01-2014.12(指导教师:王力工;学生:杨若松,程明红、王陆华、孙丰妹)。


学术成果 Academic Achievements

 1、代表性学术论文(按照时间顺序,*代表通讯作者,只列SCI论文)

[95] Xiuwen Yang, Ligong Wang*, Ordering of bicyclic signed digraphs by energy, Filomat, accept. (SCI接收在线)

[94] Cunxiang Duan, Ligong Wang*, Xiangxiang Liu, Edge connectivity, packing spanning trees, and eigenvalues of graphsLinear and Multilinear Algebrahttps://doi.org/10.1080/03081087.2018.1529732 (SCI)

[93] Xihe Li, Ligong Wang*, Forbidden rainbow subgraphs that force large monochromatic or multicolored k-connected subgraphs, Discrete Applied Mathematics, https://doi.org/10.1016/j.dam.2020.05.004. (SCI)

[92] Xihe Li, Ligong Wang*, Gallai-Ramsey numbers for a class of graphs with five vertices, Graphs and Combinatorics, https://doi.org/10.1007/s00373-020-02194-5

[91] Peng Xiao, Ligong Wang*, The effect on the (signless Laplacian) spectral radii of uniform hypergraphs by subdividing an edge, Discrete Applied Mathematics, https: //doi.org/10.1016/j.dam.2020.01.041 (SCI)

[90] Xihe Li, Ligong Wang*, Gallai-Ramsey numbers for rainbow S^+_3 and monochromatic paths, Discussiones Mathematicae Graph Theory, doi:10.7151/ dmgt.2310 (SCI)

[89] Cunxiang Duan, Ligong Wang*, Spanning trees of bounded degree, connectivity, toughness, and the spectrum of a graph, Bulletin of the Iranian Mathematical Society, https://doi.org/10.1007/s41980-020-00375-9.(SCI)

[88] Wei Zheng, Hajo Broersma *, Ligong Wang, Toughness, forbidden subgraphs, and hamiltonian-connected graphs, Discussiones Mathematicae Graph Theory, doi:10.7151/dmgt.2247 (SCI)

[87] Xiangxiang Liu, Ligong Wang* and Xihe Li, Distance spectral radii of k-uniform hypertrees with given parameters, Linear and Multilinear Algebra, https://doi.org/10.1080 /03081087.2019.1682497 (SCI)

[86] Weige Xi, Wasin So, Ligong Wang*, On the distance spectral radius of digraphs with given diameter, Linear and Multilinear Algebra, https://doi.org/10.1080 /03081087.2019.1682496 (SCI)

[85] Weige Xi, Ligong Wang*,The $A_\alpha$ spectral radius and maximum outdegree of irregular digraphs, Discrete Optimization, 38 (2020) 100592 (SCI)

[84] Cunxiang Duan, Ligong Wang*,The α-spectral radius of f-connected general hypergraphs. Applied  Mathematics and Computation 382 (2020) 125336. (SCI)

[83] Xihe Li, Ligong Wang*, Deficiency and forbidden subgraphs of connected, locally-connected graphs, Discussiones Mathematicae Graph Theory, 40 (2020) 195-208. (SCI)

[82] Qiannan Zhou, Ligong Wang*, Yong Lu, Sufficient conditions for Hamilton-connected graphs in terms of (signless Laplacian) spectral radius. Linear Algebra Appl. 594 (2020), 205-225. (SCI, EI)

[81] Cunxiang Duan, Ligong Wang*, Peng Xiao, Xihe Li, Some properties of the signless Laplacian and normalized Laplacian tensors of general hypergraphs. Taiwanese Journal of Mathematics, 24(2) (2020), 265-281(SCI)

[80] Qiannan Zhou, Ligong Wang*, Yong Lu, Signless Laplacian spectral conditions for Hamilton-connected graphs with large minimum degree, Linear Algebra Appl. 592 (2020), 48-64. (SCI, EI)

[79] Xiangxiang Liu, Ligong Wang*, Xihe Li, The Wiener index of hypergraphs, Journal of Combinatorial Optimization, 39(2) (2020), 351-364. (SCI, EI)

[78]Xiuwen Yang, Ligong Wang*, Extremal Laplacian energy of directed trees, unicy-clic digraphs and bicyclic digraphs, Applied Mathematics and Computation,  366 (2020) 124737, 13 pp. (SCI;EI)

[77] Wei Zheng, Hajo Broersma, Ligong Wang*, Shenggui ZhangConditions on subgraphs, degrees, and domination for hamiltonian properties of graphsDiscrete Mathematics, 343(1) (2020), Article 111644 (SCI)

[76] Qiannan Zhou, Ligong Wang*, Yong Lu, Wiener-type invariants and Hamiltonian properties of graphs, Filomat, 33(13) (2019), 4045-4058. (SCI)

[75] Cunxiang Duan, Ligong Wang*, Peng Xiao, Xihe Li, The (signless Laplacian) spectral radius (of subgraphs) of uniform hypergraphs. Filomat, 33(15) (2019), 4733-4745. (SCI)

[74] Wei Zheng, Ligong Wang*, The Hamilton-connectivity with the degree sum of non-adjacent subgraphs of claw-free graphs. Acta Mathematicae Applicatae Sinica. English Series, 35(3) (2019) 580-590. (SCI)

[73] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, Preconditioned accelerated generalized successive overrelaxation method for solving complex symmetric linear systems, Computers and Mathematics with Applications, 777(2019) 1902–1916. (SCI,EI)

[72] Yong Lu, Ligong Wang*, Qiannan Zhou, The rank of a complex unit gain graph in terms of the rank of its underlying graph. Journal of Combinatorial Optimization 38(2)(2019) 570-588. (SCI,EI)

[71] Weige Xi, Wasin So, Ligong Wang*, The (distance) signless Laplacian spectral radius of digraphs with given arc connectivity, Linear Algebra and its Applications, 581(2019) 85-111. (SCI,EI)

[70] Weige Xi, Ligong Wang*, On the signless Laplacian spectral radius of weighted digraphs, Discrete Optimization 32 (2019) 63-72 (SCI,EI)

[69] Wei Zheng and Ligong Wang, Traceability in {K_{1,4},K_{1,4}+e}-free graphs, Czechoslovak Mathematical Journal, 69(2) (144) (2019), 431-442 (SCI)

[68] Peng Xiao, Ligong Wang*, The maximum spectral radius of uniform hypergraphswith given number of pendant edges, Linear and Multilinear Algebra,67(7)(2019) 1392-1403 (SCI)

[67] Weige Xi, Wasin So, Ligong Wang*, The generalized distance matrix of digraphsLinear Algebra and its Applications, 577 (2019) 270-286. (SCI,EI)

[66] Xihe Li, Ligong Wang*, Xiangxiang Liu, Complete graphs and complete bipartite graphs without rainbow path, Discrete Mathematics, 342(7) (2019) 2116-2126. (SCI)

[65] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, Some new Z-eigenvalue localization sets for tensors and their applications, Revista de la Unión Matemática Argentina, 60(1)(2019) 99-119. (SCI)

[64] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, Modified PHSS iterative methods for solving nonsingular and singular saddle point problems, Numerical Algorithms, 80 (2)(2019), 485-519. (SCI)

[63] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui,The improvements of the generalized shift-splitting preconditioners for non-singular and singular saddle point problems, International Journal of Computer Mathematics , 96(4) (2019) 797-820. (SCI)

[62] Zhengge Huang, Ligong Wang*, Zhong Xu, Jing-Jing Cui, A modified S-type eigenvalue localization set of tensors applications, Filomat 32(18) (2018) 6395-6416. (SCI)

[61] Zhengge Huang, Ligong Wang*, Zhong Xu, Jing-Jing Cui, Some new inclusion sets for eigenvalues of tensors with application, Filomat 32 (11)(2018) 3899-916. (SCI)

[60] Xiuwen Yang, Ligong Wang*, On the ordering of bicyclic digraphs with respect to energy and iota energy, Applied Mathematics and Computation, 339 (2018) 768-778. (SCI; EI)

[59] Qiannan Zhou, Ligong Wang*, Yong Lu, Wiener index and Harary index on Hamilton-connected graphs with large minimum degree, Discrete Applied Mathematics, 247(2018) 180-185. (SCI; EI)

[58] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, Some new inequalities for the minimum H-eigenvalue of nonsingular M-tensors, Linear Algebra and its Applications, 558 (2018) 146-173. (SCI; EI)

[57] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, The modified PAHSS-PU and modified PPHSS-SOR iterative methods for saddle point problems, Computational and Applied Mathematics, 37 (2018) 6076-6107. (SCI; EI)

[56] Yong Lu, Ligong Wang*, Qiannan Zhou, Skew-rank of an oriented graph in terms of the rank and dimension of cycle space of its underlying graph, Filomat 32 (4) (2018) 1303-1312. (SCI)

[55] Qiannan Zhou, Ligong Wang*, Yong Lu, Wiener-type invariants on graph properties, Filomat, 32 (2018) 489-502. (SCI)

[54] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, The generalized Uzawa-SHSS method for non-Hermitian saddle-point problems, Computational and Applied Mathematics, 37(2)(2018) 1213-1231. (SCI)

[53] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, A modified generalized shift-splitting preconditioner for nonsymmetric saddle point problems, Numerical Algorithms, 78(1) (2018) 297-331. (SCI; EI)

[52] Xihe Li, Ligong Wang*, Shangyuan Zhang, The signless Laplacian spectral radius of some strongly connected digraphs, India Journal of Pure and Applied Mathematics, 49(1)(2018) 113-127. (SCI)

[51] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, An efficient two-step iterative method for solving a class of complex symmetric linear systems, Computers and Mathematics with Applications, 75(7) (2018) 2473-2498. (SCI; EI)

[50] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, Some new preconditioned generalized AOR methods for solving weighted linear least squares problems, Computational and Applied Mathematics, 37(1)(2018) 415-438. (SCI)

[49] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, Parameterized generalized shift-splitting preconditioners for nonsymmetric saddle point problems, Computers and Mathematics with Applications, 75(2)(2018) 349-373. (SCI; EI)

[48] Qiannan Zhou, Ligong Wang*, Yong Lu, Some sufficient conditions on k-connected graphs, Applied Mathematics and Computation, 325 (2018) 332-339. (SCI; EI)

[47] Xiangxiang Liu, Ligong Wang*, Peng Xiao, Ordering of bicyclic graphs by matching energy, MATCH Communications in Mathematical and in Computer Chemistry, 79(2018) 341-365. (SCI)

[46] Yong Lu, Ligong Wang*, Qiannan Zhou, The rank of a signed graph in terms of the rank of its underlying graph, Linear Algebra and its Applications, 538(2018) 166-186. (SCI; EI)

[45] Peng Xiao, Ligong Wang*, Yanfei Du, The first two largest spectral radii of uniform supertrees with given diameter, Linear Algebra and its Applications, 536(2018) 103-119. (SCI; EI)

[44] Qiannan Zhou, Ligong Wang*, Distance signless Laplacian spectral radius and Hamiltonian properties of graphs, Linear and Multilinear Algebra, 65(11) (2017) 2316-2323. (SCI; EI)

[43] Qi Kong, Ligong Wang*, Upper bounds on the Q-spectral radius of book-free and/or Ks,t-free graphs, Electronic Journal of Linear Algebra, 32(2017) 447-453. (SCI)

[42] Yong Lu, Ligong Wang*, Peng Xiao, Complex unit gain bicyclic graphs with rank 2, 3 or 4, Linear Algebra and its Applications, 523(2017) 169-186. (SCI; EI)

[41] Yong Lu, Ligong Wang*, Qiannan Zhou, Hermitian-Randi? matrix and Hermitian-Randi? energy of mixed graphs, Journal of Inequalities and Applications, (2017) Paper No. 54, 14 pp. (SCI)

[40] Peng Xiao, Ligong Wang*, Yong Lu, The maximum spectral radii of uniform supertrees with given degree sequences, Linear Algebra and its Applications, 523 (2017) 33-45. (SCI; EI)

[39] Weige Xi, Ligong Wang*, The signless Laplacian and distance signless Laplacian spectral radius of digraphs with some given parameters, Discrete Applied Mathematics, 227 (2017) 136-141. (SCI; EI)

[38] Weige Xi, Ligong Wang*, Bounds for the signless Laplacian energy of digraphs, Indian Journal of Pure and Applied Mathematics, 48(3) (2017) 411-421. (SCI)

[37] Lifeng Guo, Ligong Wang*, Optimum skew energy of a tournament, Linear Algebra and its Applications, 530(2017) 405-413. (SCI; EI)

[36] Lifeng Guo, Ligong Wang*, Peng Xiao, 5-regular oriented graphs with optimum skew energy, Applied Mathematics and Computation, 301 (2017) 43-59. (SCI; EI)

[35] Xiaoguo Tian, Ligong Wang*, The trees with the second smallest normalized Laplacian eigenvalue at least $1-\frac{\sqrt{3}}{2}$, Discrete Applied Mathematics, 220 (2017) 118–133. (SCI; EI)

[34] Qiannan Zhou, Ligong Wang*, Some sufficient spectral conditions on Hamilton- connected and traceable graphs, Linear and Multilinear Algebra, 65(2)(2017) 224-234. (SCI)

[33] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, The generalized modified shift-splitting preconditioners for nonsymmetric saddle point problems, Applied Mathematics and Computation, 299 (2017) 95-118. (SCI; EI)

[32] Zhengge Huang, Ligong Wang*, Zhong Xu, Jingjing Cui, A generalized variant of deteriorated PSS preconditioner for nonsymmetric saddle point problems, Numerical Algorithms75(4)(2017) 1161-1191. (SCI)

[31] Zhengge Huang, Ligong Wang* and Zhong Xu, Some new estimations for the Hadamard product of a nonsingular M-matrix and its inverse, Mathematical Inequalities & Applications, 20(3) (2017), 661-682. (SCI)

[30] Minghong Cheng, Ligong Wang*, A lower bound for the harmonic index of a graph with minimum degree at least three, Filomat, 30(8) (2016), 2249-2260. (SCI)

[29] Weige Xi, Ligong Wang*, Sharp upper bounds on the signless Laplacian spectral radius of strongly connected digraphs, Discussiones Mathematicae Graph Theory 36(4) (2016), 977-988. (SCI)

[28] Ligong Wang*, Xuran Zhou, The smallest Merrifield-Simmons index of trees with exactly six leaves, Ars Combinatoria, 124(2016), 129-151. (SCI)

[27] Ligong Wang*, Qi Wang, Bofeng Huo, Integral trees with diameter four, Applied Mathematics and Computation, (282)(2016), 53-64. (SCI; EI)

[26] Zhengge Huang*, Ligong Wang, Zhong Xu, Jingjing Cui, Improved PPHSS iterative methods for solving nonsingular and singular saddle point problems, Computers and Mathematics with Applications, 72 (2016), 92-109. (SCI; EI)

[25] Zhengge Huang*, Ligong Wang, Zhong Xu, Jingjing Cui, Generalized ASOR and modified ASOR Methods for saddle point problems, Mathematical Problems in Engineering, 2(2016), 1-18. (SCI; EI)

[24] Zhengge Huang*, Ligong Wang, Zhong Xu, Jingjing Cui, A new S-type eigenvalue inclusion set for tensors and its applications, Journal of Inequalities and Applications, 2016 (2016), 254. (SCI)

[23] Yong Lu, Ligong Wang*, Qiannan Zhou, Bicyclic oriented graphs with skew-rank 6, Applied Mathematics and Computation, 270(1)(2015) 899-908. (SCI; EI)

[22] Luhua Wang, Ligong Wang*, Laplacian spectral characterization of clover graphs, Linear and Multilinear Algebra, 63(12)(2015) 2396-2405. (SCI)

[21] Ruosong Yang, Ligong Wang*, Distance-integral complete r-partite graphs, Filomat, 29(4)(2015) 739-749. (SCI)

[20] Weiwei Lang, Ligong Wang*, Sharp bounds for the signless Laplacian spectral radius of digraphs, Applied Mathematics and Computation, 238 (2014) 43-49. (SCI; EI)

[19] Ligong Wang*, Guopeng Zhao, Ke Li, Seidel integral complete r-partite graphs, Graphs and Combinatorics, 30(2)(2014) 479-493. (SCI)

[18] Guopeng Zhao, Ligong Wang*, Ke Li, Q-integral Complete r-partite Graphs,  Linear Algebra and its Applications, 438 (3)(2013) 1067-1077. (SCI; EI)

[17] Weiwei Lang, Ligong Wang*, Energy of generalized line graphs, Linear Algebra and its Applications, 437(9) (2012)2386-2396. (SCI; EI)

[16] Ke Li, Ligong Wang*, Guopeng Zhao, The signless Laplacian spectral radius of unicyclic and bicyclic graphs with a given girth, The Electronic Journal of Combinatorics, 18 (1)(2011), #P183, 1-10. (SCI)

[15] Ke Li, Ligong Wang*, Guopeng Zhao, The signless Laplacian spectral radius of tricyclic graphs and trees with k pendant vertices, Linear Algebra Appl., (2011), 435 (4)(2011) 811-822. (SCI; EI)

[14] Ligong Wang* and Hao Sun, Infinitely many pairs of cospectral integral regular graphs, Appl. Math. J. Chinese Univ. Ser. B, 26 (3) (2011) 280-286. (SCI)

[13] Ligong Wang*, Qi Wang, Integral complete multipartite graphs K(a1.p1,a2p2,..., asps)  with s=5, 6, Discrete Math. 310(4)(2010) 812-818. (SCI; EI)

[12] Ligong Wang* and Xiaodong Liu, New classes of integral trees of diameter 4, Ars Combinatoria. 96(2010) 203-220. (SCI)

[11] Yanqing Chen and Ligong Wang*, Sharp bounds for the largest eigenvalue of the signless Laplacian of a graph, Linear Algebra and its Applications 433(5) (2010) 908-913. (SCI; EI)

[10] Yanqing Chen and Ligong Wang*, The Laplacian spread of tricyclic graphs, The Electronic Journal of Combinatorics, 16 (2009), #R80, 1-18. (SCI)

[9] Ligong Wang* and Cornelis Hoede, Constructing fifteen infinite classes of nonregular bipartite integral graphs, The Electronic Journal of Combinatorics, 15 (2008), #R8, 1-29. (SCI)

 [8] Ligong Wang*, Hajo Broersma, Cornelis Hoede, Xueliang Li and Georg Still, Some families of integral graphs,  Discrete Math. 308(24)(2008) 6383-6391. (SCI; EI)

 [7] Ligong Wang* and Xiaodong Liu, Integral complete multipartite graphs, Discrete Mathematics, 308 (2008) 3860-3870. (SCI; EI)

 [6] Ligong Wang*, Hajo Broersma, Cornelis Hoede, Xueliang Li, Georg Still, Integral trees of diameter 6, Discrete Appl. Math., 155(10)(2007), 1254-1266. (SCI; EI)

 [5] Ligong Wang* and Xueliang Li , Integral trees with diameters 5 and 6, Discrete Math., 297 (2005) 128-143. (SCI; EI)

 [4] Ligong Wang*, Xueliang Li and Cornelis Hoede, Two classes of integral regular graphs, Ars Combinatoria, 76(2005) 303-319. (SCI)

 [3] Ligong Wang*, Xueliang Li and Shenggui Zhang, Families of integral trees with diameters 4, 6 and 8, Discrete Appl. Math., 136(2-3)(2004) 349-362. (SCI; EI)

 [2] Ligong Wang*, Xueliang Li and Cornelis Hoede, Integral complete r-partite graphs, Discrete Math., 283 (2004) 231-241. (SCI,EI)

 [1] Shenggui Zhang*, Hajo Broersma, Xueliang Li and Ligong Wang, A Fan-type condition for heavy cycles in weighted graphs, Graphs and Combinatorics, 18 (1) (2002) 193-200. (SCI)

社会兼职 Social Appointments

 [1] 美国《Mathematical Review》的评论员。

 [2] 西北工业大学数学建模创新教育指导委员会委员。

 [3] 西-布达佩斯组合数学联合研究中心顾问委员。

 [4] 担任国内外重要学术期刊如:Discrete Applied Mathematics, Linear Algebra and Its ApplicationsThe    Electronic Journal of Combinatorics, Applied Mathematics and ComputationJournal of Algebraic  Combinatorics, Graphs and Combinatorics, Computers and Mathematics with Applications, Applied Mathematics  Letters, Journal of Combinatorial Optimization, Linear and Multilinear Algebra, 应用数学学报, 运筹学学报, 数  学季刊等的审稿人。


团队信息 Team Information

Gyula O.H. Katona:匈牙利科学院院士,西北工业大学顾问教授

Miklós Simonovits:匈牙利科学院院士,西北工业大学顾问教授

Hajo Broersma:荷兰Twente大学教授,西北工业大学顾问教授

李学良:南开大学教授,西北工业大学兼职教授、博士生导师

张胜贵:西北工业大学教授、博士生导师

王力工:西北工业大学教授、博士生导师

  由:西北工业大学副教授、硕士生导师

  巍:西北工业大学副教授、硕士生导师

李斌龙:西北工业大学副教授、硕士生导师

刘晓刚:西北工业大学副教授、硕士生导师

  静:西北工业大学副教授

白延东:西北工业大学副教授

郜璐璐:西北工业大学助理教授

李若楠:西北工业大学助理教授