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Xujun Liu

Assistant Professor

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Research activity per year

Personal profile

Personal profile

I obtained my Ph.D. in Math from Combinatorics at the University of Illinois at Urbana-Champaign, supervised by Prof. Kostochka. My research interest lies in the field of combinatorics, specifically the coloring of graphs, Ramsey theory, and the secretary-type problems. I am a lecturer at Xian Jiaotong-Liverpool University starting in Oct.2021.My personal webpage is and my email address is:

Research interests

Graph theory


Secretary type problems


Lecturer, Xian Jiaotong-Liverpool University, 2021-present

Postdoctoral Research Associate, Coordinated Science Laboratory (supervised by Prof. Milenkovic), University of Illinois at Urbana-Champaign, 2020 - 2021


MTH 019 Calculus for Business

MTH 002 Multivariable Calculus and Statistics

MTH 301 Final Year Project

Calculus for Business


Multivariable Calculus and Statistics


Final Year Project

Awards and honours

Waldemar J., Barbara G., and Juliette Alexandra Trjitzinsky Fellowship, UIUC (excellent graduate student research fellowship at UIUC math department, around $12000) May 2019

Journal Award, Department of Mathematics, Miami University Apr 2015

Outstanding Graduate, Shandong Province, China Jun 2013

Meritorious Winner, Mathematical Contest in Modeling Apr 2013

China Undergraduate National Scholarship Nov 2012

Departmental First Prize of Scholarship, Harbin Institute of Technology Apr 2012

Provincial Third Prize, The Chinese Mathematics Competitions Dec 2011

Provincial Second Prize, China Undergraduate Mathematical Contest in Modeling Sep 2011

Education/Academic qualification

Ph.D. in Mathematics, University of Illinois at Urbana-Champaign, 2015-2020

Master of Science in Applied Mathematics, University of Illinois at Urbana-Champaign, 2015-2018

Master of Science in Pure Mathematics, Miami University, Oxford, Ohio, 2013-2015

Bachelor of Science in Information and Computing Science, Harbin Institute of Technology, Weihai, 2009-2013

Person Types

  • Staff


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