A time hierarchy theorem for the LOCAL model

YJ Chang, S Pettie - SIAM Journal on Computing, 2019 - SIAM
The celebrated time hierarchy theorem for Turing machines states, informally, that more
problems can be solved given more time. The extent to which a time hierarchy--type theorem …

Classification of distributed binary labeling problems

A Balliu, S Brandt, Y Efron, J Hirvonen, Y Maus… - arXiv preprint arXiv …, 2019 - arxiv.org
We present a complete classification of the deterministic distributed time complexity for a
family of graph problems: binary labeling problems in trees. These are locally checkable …

An automatic speedup theorem for distributed problems

S Brandt - Proceedings of the 2019 ACM Symposium on …, 2019 - dl.acm.org
Recently, Brandt et al. STOC'16provedalowerboundforthedistributedLov…,whichhasbeenconjecturedtobetightforsuffici…
'17.Attheheartoftheirresultliesaspeeduptechniq…,forgraphsofgirthatleast2t+2,transformsanyt …

Local problems on trees from the perspectives of distributed algorithms, finitary factors, and descriptive combinatorics

S Brandt, YJ Chang, J Grebík, C Grunau… - arXiv preprint arXiv …, 2021 - arxiv.org
We study connections between distributed local algorithms, finitary factors of iid processes,
and descriptive combinatorics in the context of regular trees. We extend the Borel …

Local problems on grids from the perspective of distributed algorithms, finitary factors, and descriptive combinatorics

J Grebík, V Rozhoň - Advances in Mathematics, 2023 - Elsevier
We present an intimate connection among the following fields:(a) distributed local
algorithms: coming from the area of computer science,(b) finitary factors of iid processes …

Locally checkable problems in rooted trees

A Balliu, S Brandt, D Olivetti, J Studený… - Proceedings of the …, 2021 - dl.acm.org
Consider any locally checkable labeling problem Π in rooted regular trees: there is a finite
set of labels Σ, and for each label χ x Σ we specify what are permitted label combinations of …

Almost global problems in the LOCAL model

A Balliu, S Brandt, D Olivetti, J Suomela - Distributed Computing, 2021 - Springer
The landscape of the distributed time complexity is nowadays well-understood for
subpolynomial complexities. When we look at deterministic algorithms in the LOCAL LOCAL …

The complexity landscape of distributed locally checkable problems on trees

YJ Chang - arXiv preprint arXiv:2009.09645, 2020 - arxiv.org
Recent research revealed the existence of gaps in the complexity landscape of locally
checkable labeling (LCL) problems in the LOCAL model of distributed computing. For …

Locally checkable labelings with small messages

A Balliu, K Censor-Hillel, Y Maus, D Olivetti… - arXiv preprint arXiv …, 2021 - arxiv.org
A rich line of work has been addressing the computational complexity of locally checkable
labelings (LCLs), illustrating the landscape of possible complexities. In this paper, we study …

Distributed edge coloring and a special case of the constructive Lovász local lemma

YJ Chang, Q He, W Li, S Pettie, J Uitto - ACM Transactions on Algorithms …, 2019 - dl.acm.org
The complexity of distributed edge coloring depends heavily on the palette size as a function
of the maximum degree Δ. In this article, we explore the complexity of edge coloring in the …