Research articles

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PDF versions are always up-to-date. Authors are listed according to the alphabetical order. Papers are sorted by date of first submission.

Sink-free orientations: a local sampler with applications
with Konrad Anand, Graham Freifeld, Heng Guo and Chunyang Wang
submitted
[arXiv] | [PDF]

Can you link up with treewidth?
with Radu Curticapean, Simon Döring and Daniel Neuen
STACS 2025
[conference] | [arXiv] | [PDF]
Talk slides during STACS: [Slides] (only work with Adobe Acrobat)

Rapid mixing of the flip chain over non-crossing spanning trees
with Konrad Anand, Weiming Feng, Graham Freifeld, Heng Guo and Mark Jerrum
SoCG 2025, to appear
[arXiv] | [PDF]

The complexity of computing fermionants and flow-like structures in graphs, modulo p
with Isja Mannens
submitted

Approximate counting for spin systems in sub-quadratic time
with Konrad Anand, Weiming Feng, Graham Freifeld and Heng Guo
TheoretiCS, Volume 4 (2025), Article 3, 1-27 (preliminary version in ICALP 2024)
[journal] | [conference] | [arXiv] | [PDF]
Talk slides in Shonan: [PowerPoint]

Inapproximability of counting independent sets in linear hypergraphs
with Guoliang Qiu
Information Processing Letters, Volume 184, Article 106448, 1-6, 2023
[journal] | [arXiv] | [PDF]

Towards derandomising Markov chain Monte Carlo
with Weiming Feng, Heng Guo, Chunyang Wang and Yitong Yin
FOCS 2023
[conference] | [arXiv] | [PDF]
Talk slides in BARC: [PowerPoint]

A simple polynomial-time approximation algorithm for the total variation distance between two product distributions
with Weiming Feng, Heng Guo and Mark Jerrum
TheoretiCS, Volume 2 (2023), Article 8, 1-7 (preliminary version in SOSA 2023)
[journal] | [conference] | [arXiv] | [PDF]
Talk slides in Oxford: [PowerPoint]

Swendsen-Wang dynamics for the ferromagnetic Ising model with external fields
with Weiming Feng and Heng Guo
Information and Computation, Volume 294, Article 105066, 1-34, 2023
[journal] | [arXiv] | [PDF]

Improved bounds for randomly colouring simple hypergraphs
with Weiming Feng and Heng Guo
RANDOM 2022
[conference] | [arXiv] | [PDF]
Talk slides during RANDOM’22: [slides]

Inapproximability of counting hypergraph colourings
with Andreas Galanis and Heng Guo
ACM Transactions on Computation Theory, 14(3-4):10, 1-33, 2022
[journal] | [arXiv] | [PDF]
[slides]

On the degree of boolean functions as polynomials over \(\mathbb{Z}_m\)
with Xiaoming Sun, Yuan Sun, Kewen Wu, Zhiyu Xia and Yufan Zheng
ICALP 2020
[conference] | [arXiv] | [PDF]
Talk slides during ICALP’20: [slides]