Zixiang Xu

Refereeing

Mathematics Reviews(Reviewer Number 172025)
Acta Mathematica Hungarica
Combinatorica
Designs, Codes and Cryptography
Discrete & Computational Geometry
Discrete Mathematics(4)
Electronic Journal of Combinatorics(2)
European Journal of Combinatorics(3)
IEEE Transactions on Information Theory(6)
IEEE International Symposium on Information Theory (ISIT)
Journal of Combinatorial Theory, Series A(4)
Journal of Graph Theory(3)
Journal of Combinatorial Theory, Series B

Talks

May 7, Multilinear polynomial methods in extremal combinatorics, invited talk, Chongqing University, Chongqing, China
December 22-24, Uniform set systems with small VC-dimension, invited talk, 35th KIAS Combinatorics Workshop, Haeundae, Busan, Korea
December 16, Extremal and stability results for Turan-type problems, Zhejiang University, Hangzhou, China
November 14, Multilinear polynomial methods and some applications in combinatorics, invited talk, Soochow University, Suzhou, China
November 14, VC-dimension in graph theory, invited talk, Xi’an Jiaotong-Liverpool University, Suzhou, China
October 17-20, 2025, Canonical Ramsey for various configurations, 3-th Workshop on Combinatorics, Great Bay University, Dongguan China.
October 10, 2025, When can a large H-free graph be homomorphic to a small one? Invited talk, NUAA, Nanjing, China.
September 17, 2025, Polynomial methods in combinatorics, AMSS, CAS
September 13, 2025, Uniform set systems with small VC-dimension, Nankai University
September 10, 2025, VC-dimension in Combinatorics, BIT
August 20-23, 2025, Uniform set systems with small VC-dimension, Invited talk, The 13th Cross-Strait Graph Theory and Combinatorics Conference, Zhejiang University, Hangzhou.
April 30, 2025, VC-dimension in Combinatorics, Xi’an Jiaotong University.
April 29, 2025, Uniform set systems with small VC-dimension, Northwestern University of Technology.
April 3, 2025, Uniform set systems with small VC-dimension, Guangdong
March 27-30, 2025, Dense graphs without certain subgraphs: structural insights and thresholds, 4th East Asia Workshop on Extremal and Structural Graph Theory, Sun Yat-sen University, Guangzhou.
March, 2025, VC-dimension and its applications in extremal combinatorics. Shanghai.
February 28, 2025, Uniform set systems with small VC-dimension, Taiyuan University of Technology, Taiyuan.
October 22-24,2024, Dense graphs without small odd cycles, Jinan and Qingdao, Shandong University
September 9, 2024, Theory of VC-dimension and its applications, Invited talk, Xidian University, Xi’an
June 25,2024, On Bollobás-Erdős-Tuza conjecture, Combinatorial seminar, Shandong University, Qingdao
June 22,2024, Hitting all maximum independent sets. Workshop on extremal combinatorics and extremal set theory. Taiyuan University of Technology, Taiyuan
May 13,2024, On Bollobás-Erdős-Tuza conjecture. SDU-IBS joint workshop, Shandong University, Jinan.
May 6-7, 2024, Structures with bounded VC-dimension: From theory to applications. Lectures, Tianyuan Mathematics Research Center, Kunming
April 25,2024, Theoretical bounds and stability results on set systems. Combinatorial seminar, Northwestern University of Technology.
April 21,2024, Hitting all maximum independent sets. Conference on Digraphs, Nankai University.
April 18, 2024, An introduction to bipartite Turan problems, Combinatorial seminar, Nankai University
March 01, 2024, Towards Bollobás-Erdős-Tuza conjecture, Fuzhou University
October 28-29, 2023, KMS Annual Meeting, Korean Mathematical Society, Seoul National University, Seoul. When can a large Kr-free graph be homomorphic to a small one?
October 26, 2023, Shandong University, Qingdao. An extremal problem on k-neighborly family of boxes
October 25, 2023 Shandong University, Jinan. Structure of Kr-free graphs.
October 20-23, 2023: 3rd Developments in Combinatorics Workshop, Jeju. Combinatorial proof of Graham-Pollak Theorem,
September 17, 2023, Youth Forum at Chinese Academy of Sciences, Beijing, China. Turán number of bipartite graphs from geometric shapes.
September 15, 2023, invited talk at Nankai University, Tianjin, China. On a new variant of the Erdős–Gyárfás problem
August 24, 2023, talk in ICIAM 2023, Waseda University, Tokyo, Japan. Robust Linear algebra methods and some applications.
August 19, 2023, invited talk in workshop at Yokohama National University, Yokohama, Japan. An Extremal problem related to Graham-Pollak Theorem.
August 7, 2023, Invited talk, Shandong University, Qingdao, China. Theoretical bounds and stability results on set systems.
July 27, 2023, OSRC 2023 Graph Theory and Combinatorics, Taiyuan, China. Turán number of graphs from geometric shapes.
July 24, 2023, Youth Forum, Shandong University, Jinan, China. An extremal problem related to Graham-Pollak Theorem.
January 10, 2023, Invited talk, Shandong University, Jinan, China. Algebraic methods in intersective sets and set systems
January 3, 2023, Invited talk, Taiyuan University of Technology, Taiyuan, China. Theoretical bounds and stability results on set systems
October 22, 2022, Forum on Extremal Combinatorics and Information Theory at Soochow University, Suzhou, China. Intersective sets over abelian groups
September 30, 2022, Combinatorics Workshop 2022 at GIST, Gwangju, South Korea. Intersective sets over abelian groups
October 27,2021, Invited talk in the 1-st Workshop on Developments in Combinatorics, Shandong University, online. On color isomorphic patterns in proper colorings
May 22, 2021, The 10-th International Symposium on Finite Fields and Their Applications, Luoyang. Erdős-Falconer distance problem under Hamming metric.
October 20, 2020, invited talk, Shandong University, Jinan China. A brief introduction to the random algebraic methods.
October 4, 2020, Invited talk, Taiyuan University of Technology, Taiyuan, China. On color-isomorphic patterns in proper-edge colorings.
June 20, 2019, The 1-st Young Scholars Forum on Combinatorics and Graph Theory, Fuzhou University. Some extremal results on hypergraph Turán problems.
May 12, 2019, The 6-th International Conference of Coding, Cryptography and Combinatorics, Wuhan. New theoretical bounds and constructions of permutation codes under block permutation metric

Teaching

2021 Fall: Extremal Combinatorics
2021 Spring: Combinatorial Designs
2020 Fall: Extremal Combinatorics
2020 Spring: Combinatorial Designs
2019 Fall: Extremal Combinatorics