李佳傲

李佳傲

南开大学数学科学学院教授 博士生导师

研究领域离散数学与图论

邮箱lijiaao@nankai.edu.cn

办公室数学科学学院 103 室

南开大学数学科学学院教授，博士生导师。本科和硕士毕业于中国科学技术大学，博士毕业于美国西弗吉尼亚大学（导师为赖虹建教授），之后入职南开大学，历任讲师、副教授，2022年12月至今任教授。主要研究兴趣是离散数学与组合图论。包括Tutte整数流理论，图的染色，图结构与分解，加性组合，网络与组合优化等问题。已完成和发表论文四十余篇，研究成果发表在J. Combin. Theory Ser. B, SIAM J. Discrete Math, J. Graph Theory 等杂志。担任天津市数学会秘书长，中国运筹学会图论组合分会理事，以及SCI杂志Journal of Combinatorial Optimization的副编辑（Associate Editor）等学术兼职。入选天津市“131”创新型人才培养工程第三层次(2019)，天津市青年人才托举工程(2020)，南开大学百名青年学科带头人培养计划(2021)。2022年获国家自然科学基金优秀青年科学基金项目资助。

简介

教育经历

  • 2014.8-2018.5 美国西弗吉尼亚大学，数学博士（离散数学）
  • 2012.9-2014.5 中国科学技术大学，应用数学硕士
  • 2008.9-2012.7 中国科学技术大学，数学与应用数学本科
  • 2005.9-2008.6 湖北省武汉市武钢三中

工作经历

  • 2022.12 至今 南开大学数学科学学院，教授
  • 2020.12-2022.12 南开大学数学科学学院，副教授
  • 2018.07-2020.12 南开大学数学科学学院，讲师

研究方向

论文著作

  1. 2026

    Fractional balanced chromatic number of signed subcubic graphs

    X. Hu, L. Kuffner, Jiaao Li, R. Naserasr, L. Wang, Z. Wang, X. Yu. Discrete Mathematics, 349(9) (2026), 115112.

  2. 2026

    Realizing Degree Sequences With S3-Connected Graphs

    R. Guan, C. Jiang, H.-J. Lai, Jiaao Li, X. Li. Journal of Graph Theory, 2026, article in press.

  3. 2026

    On graphs whose Z4-connectivity varies from Z22-connectivity

    Jiaao Li, X. Li, M. Wang. European Journal of Combinatorics, 135 (2026), 104354.

  4. 2025

    Every Signed Planar Graph of Girth 5 Has Circular Chromatic Number Strictly Less Than 4

    Jiaao Li, X. Li, Z. Wang. The Electronic Journal of Combinatorics, 32(2) (2025), #P2.2.

  5. 2025

    Modulo k-orientations of random regular graphs

    Jiaao Li, X. Li, J. Liu. Discrete Applied Mathematics, 377 (2025), 269-288.

  6. 2025

    Modulo Flows and Integer Flows in Signed Graphs

    M. Han, Jiaao Li, Y. Lu, R. Luo. Journal of Graph Theory, 110(2) (2025), 167-173.

  7. 2024

    Circular flows in mono-directed signed graphs

    Jiaao Li, R. Naserasr, Z. Wang, X. Zhu. Journal of Graph Theory, 106(3) (2024), 686-710.

  8. 2024

    Nowhere-Zero 3-Flows in Signed Planar Graphs

    Jiaao Li, Y. Ma, Z. Miao, Y. Shi, W. Wang. The Electronic Journal of Combinatorics, 31(2) (2024), #P2.47.

  9. 2024

    Homomorphisms to small negative even cycles

    Jiaao Li, Y. Shi, Z. Wang, C. Wei. European Journal of Combinatorics, 118 (2024), 103941.

  10. 2023

    Fractional Coloring Planar Graphs under Steinberg-type Conditions

    X. Hu, Jiaao Li. Acta Mathematica Sinica, English Series, 39(5) (2023), 904-922.

  11. 2022

    Nowhere-zero 3-flows in Toroidal Graphs

    Jiaao Li, Y. Ma, Y. Shi, Z. Miao, W. Wang, C.-Q. Zhang. Journal of Combinatorial Theory Series B, 153 (2022), 61-80.

  12. 2022

    The Flow Index of Class I Regular Graphs

    Jiaao Li, X. Li, M. Wang. SIAM Journal on Discrete Mathematics, 36(3) (2022), 1991-2003.

  13. 2022

    Circular Coloring and Fractional Coloring in Planar Graphs

    X. Hu, Jiaao Li. Journal of Graph Theory, 99(2) (2022), 312-343.

  14. 2022

    On 3-flow-critical Graphs

    Jiaao Li, Y. Ma, Y. Shi, W. Wang, Y. Wu. European Journal of Combinatorics, 100 (2022), 103451.

  15. 2022

    A Note on Shortest Sign-Circuit Cover of Signed 3-Edge-Colorable Cubic Graphs

    R. Xu, Jiaao Li, X. Hou. Graphs and Combinatorics, 38(5) (2022), 144.

  16. 2021

    Flows on Flow-admissible Signed Graphs

    M. DeVos, Jiaao Li, Y. Lu, R. Luo, C.-Q. Zhang, Z. Zhang. Journal of Combinatorial Theory Series B, 149 (2021), 192-221.

  17. 2021

    Integer flows and modulo orientations of signed graphs

    M. Han, Jiaao Li, R. Luo, Y. Shi, C.-Q. Zhang. SIAM Journal on Discrete Mathematics, 35(1) (2021), 376-391.

  18. 2021

    Group Connectivity under 3-edge-connectivity

    M. Han, Jiaao Li, X. Li, M. Wang. Journal of Graph Theory, 96(3) (2021), 438-450.

  19. 2020

    Circular Flows via Extended Tutte Orientations

    Jiaao Li, Y. Wu, C.-Q. Zhang. Journal of Combinatorial Theory Series B, 145 (2020), 307-322.

  20. 2020

    Spanning triangle-trees and flows of graphs

    Jiaao Li, X. Li, M. Wang. Graphs and Combinatorics, 36(6) (2020), 1797-1814.

  21. 2020

    Contractible Graphs for Flow Index Less Than Three

    M. Han, H.-J. Lai, Jiaao Li, Y. Wu. Discrete Mathematics, 343(11) (2020), 112073.

  22. 2020

    On weighted modulo orientation of graphs

    J.-B. Liu, P. Li, Jiaao Li, H.-J. Lai. European Journal of Combinatorics, 89 (2020), 103163.

  23. 2020

    Flow Extensions and Group Connectivity with Applications

    Jiaao Li. European Journal of Combinatorics, 89 (2020), 103164.

  24. 2020

    Circular Flows in Planar Graphs

    D. Cranston, Jiaao Li. SIAM Journal on Discrete Mathematics, 34(1) (2020), 497-519.

  25. 2020

    Anti-Ramsey Numbers of Paths and Cycles in Hypergraphs

    R. Gu, Jiaao Li, Y. Shi. SIAM Journal on Discrete Mathematics, 34(1) (2020), 271-307.

  26. 2020

    Complementary Graphs with Flow Less Than Three

    Jiaao Li, X. Li, M. Wang. Discrete Mathematics, 343(5) (2020), 111809.

  27. 2020

    Upper Bounds on List Star Chromatic Index of Sparse Graphs

    Jiaao Li, K. Horacek, R. Luo, Z. Miao. Acta Mathematica Sinica, English Series, 36(1) (2020), 1-12.

  28. 2019

    Packing Spanning Trees in Highly Essentially Connected Graphs

    H.-J. Lai, Jiaao Li. Discrete Mathematics, 342(1) (2019), 1-9.

  29. 2019

    List star edge coloring of k-degenerate graphs

    M. Han, J. Li, R. Luo, Z. Miao. Discrete Mathematics, 342(6) (2019), 1838-1848.

  30. 2018

    Flow Contractible Configurations and Group Connectivity in Signed Graphs

    Jiaao Li, R. Luo, H. Ma, C.-Q. Zhang. Discrete Mathematics, 341(11) (2018), 3227-3236.

  31. 2018

    Modulo Orientations with Bounded Independence Number

    M. Han, H.-J. Lai, Jiaao Li. Discrete Applied Mathematics, 247 (2018), 14-22.

  32. 2018

    Odd Induced Subgraphs in Graphs with Treewidth at Most Two

    X. Hou, L. Yu, Jiaao Li, B. Liu. Graphs and Combinatorics, 34(4) (2018), 535-544. 加入南开前发表

  33. 2018

    Nowhere-zero 3-Flow with Small Independence Number

    Jiaao Li, R. Luo, Y. Wang. Discrete Mathematics, 341 (2018), 42-50. 加入南开前发表

  34. 2018

    The Flow Index and Strongly Connected Orientations

    Jiaao Li, C. Thomassen, Y. Wu, C.-Q. Zhang. European Journal of Combinatorics, 70 (2018), 164-177. 加入南开前发表

  35. 2018

    Modulo (2p+1)-Orientation on Bipartite Graphs and Complementary Graphs

    Jiaao Li, X. Hou, M. Han, H.-J. Lai. SIAM Journal on Discrete Mathematics, 32(1) (2018), 29-43. 加入南开前发表

  36. 2018

    Nowhere-zero 3-flow and Z3-connectedness in Graphs with Four Edge-disjoint Spanning Trees

    M. Han, H.-J. Lai, Jiaao Li. Journal of Graph Theory, 88(4) (2018), 577-591. 加入南开前发表

  37. 2018

    Counterexamples to Jaeger's Circular Flow Conjecture

    M. Han, Jiaao Li, Y. Wu, C.-Q. Zhang. Journal of Combinatorial Theory Series B, 131 (2018), 1-11. 加入南开前发表

  38. 2017

    Group Connectivity, Strongly Zm-Connectivity and Edge Disjoint Spanning Trees

    Jiaao Li, H.-J. Lai, R. Luo. SIAM Journal on Discrete Mathematics, 31(3) (2017), 1909-1922. 加入南开前发表

  39. 2017

    A note on broom number and maximum edge-cut of graphs

    Z.-M. Hong, X. Hou, Jiaao Li, Y. Yang. Ars Combinatorica, 133 (2017), 341-347. 加入南开前发表

  40. 2017

    Adjacent vertex distinguishing total coloring of graphs with maximum degree 4

    Y. Lu, Jiaao Li, R. Luo, Z. Miao. Discrete Mathematics, 340(2) (2017), 119-123. 加入南开前发表

  41. 2015

    Parity Subgraph with few common edges and nowhere-zero 5-flow

    Jiaao Li, X. Hou, Z.-M Hong, X. Ding. Graphs and Combinatorics, 31(5) (2015), 1555-1566. 加入南开前发表

  42. 2013

    The wide-diameter of regular graphs

    Jiaao Li, J.-M Xu. Journal of University of Science and Technology of China, 43(8) (2013), 603-606. 加入南开前发表

学生培养

已毕业学生

  • 左倩硕士 · 2021.9-2024.6
  • 李佳萱硕士 · 2021.9-2024.6
  • 孟雨辰硕士 · 2022.9-2025.6
  • 姜成林硕士 · 2023.9-2026.6

协助指导学生

  • 马雨来博士 · 2018.9-2021.6
  • 王美玲博士 · 2017.9-2022.6
  • 韦春燕博士 · 2020.9-2025.6
  • 钟思科硕士 · 2023.9-2026.6

招生说明

欢迎对图论、组合优化、整数流、符号图、图染色等方向感兴趣的本科生、硕士生和博士、博后申请者联系。来信请简要说明学术背景、研究兴趣，并附上简历、成绩单或已有研究材料。

教学工作

本科生课程

  • 数学分析Ⅲ
  • 图论

研究生课程

  • 代数图论
  • 应用图论
  • 网络流理论
  • 离散优化
  • 图同态与图极限
  • 加性组合

科研项目

国家自然科学基金面上项目

主持 · 在研

国家自然科学基金优秀青年科学基金项目

主持 · 已结题

天津市自然科学基金面上项目

主持 · 已结题

南开大学百名青年学科带头人培养计划项目

主持 · 在研

天津市青年人才托举工程项目

主持 · 已结题

国家自然科学基金青年基金项目

主持 · 已结题

天津市自然科学基金青年项目

主持 · 已结题

南开大学青年教师研究启动项目

主持 · 已结题

荣誉奖励

联系方式

地址

天津市南开区卫津路94号南开大学八里台校区数学科学学院103室