Tian Bai

Position

Postdoctoral Fellow, Postdoctoral Researcher

Affiliation

Research groups

Short info

I am a postdoctoral fellow in the Algorithms group at the Department of Informatics.
I work on the design and analysis of algorithms, especially exact and parameterized algorithms for graph problems. I also do research on algorithmic game theory.
Research

Research Topics:

  • Parameterized, approximation, and exact algorithms and polynomial kernels
  • Structural graph theory and graph classes
  • Prophet inequality
  • Mechanism and contract design

Reviewer for Conferences:

  • ISAAC 2024
  • MFCS 2024
  • IPEC 2025
  • COCOON 2025
  • SOFSEM 2025
  • WALCOM 2022 2024 2025

Reviewer for Journals:

  • Theoretical Computer Science
  • Journal of Computer and System Sciences
  • Discrete Applied Mathematics
  • Frontiers of Computer Science

 

Publications

Preprints & Papers under Review

Contracting with a Mechanism Designer.

  • with Yiding Feng, Yaohao Liu, Mengfan Ma, and Mingyu Xiao.

Solving Subset Feedback Vertex Set in Chordal Graphs Faster than 2^k.

  • with Mingyu Xiao

Selected Conference Proceedings

Breaking the Barrier 2^k for Subset Feedback Vertex Set in Chordal Graphs.

  • with Mingyu Xiao,
  • in the 49th International Symposium on Mathematical Foundations of Computer Science (MFCS 2024)

Facility Assignment with Fair Cost Sharing: Equilibrium and Mechanism Design.

  • with Xin Cheng, Mengfan Ma, and Mingyu Xiao,
  • in the 30th International Computing and Combinatorics Conference (COCOON 2024)

Facility Location with Entrance Fees.

  • with Bakh Khoussainov, Mengfan Ma, and Mingyu Xiao,
  • in the proceedings of the Association for the Advancement of Artificial Intelligence (AAAI 2023)

Selected Journal Articles

Exact Algorithms for Restricted Subset Feedback Vertex Set in Chordal and Split Graphs.

  • with Mingyu Xiao,
  • Theoretical Computer Science (TCS)

A Parameterized Algorithm for Subset Feedback Vertex Set in Tournaments.

  • with Mingyu Xiao,
  • Theoretical Computer Science (TCS)