Lower bounds for maximal matchings and maximal independent sets

A Balliu, S Brandt, J Hirvonen, D Olivetti… - Journal of the ACM …, 2021 - dl.acm.org
There are distributed graph algorithms for finding maximal matchings and maximal
independent sets in O (Δ+ log* n) communication rounds; here, n is the number of nodes …

Local conflict coloring revisited: Linial for lists

Y Maus, T Tonoyan - arXiv preprint arXiv:2007.15251, 2020 - arxiv.org
Linial's famous color reduction algorithm reduces a given $ m $-coloring of a graph with
maximum degree $\Delta $ to a $ O (\Delta^ 2\log m) $-coloring, in a single round in the …

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 …

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 …

Distributed∆-coloring plays hide-and-seek

A Balliu, S Brandt, F Kuhn, D Olivetti - … of the 54th Annual ACM SIGACT …, 2022 - dl.acm.org
We prove several new tight or near-tight distributed lower bounds for classic symmetry
breaking problems in graphs. As a basic tool, we first provide a new insightful proof that any …

Distributed graph coloring made easy

Y Maus - ACM Transactions on Parallel Computing, 2023 - dl.acm.org
In this article, we present a deterministic algorithm to compute an O (k Δ)-vertex coloring in O
(Δ/k)+ log* n rounds, where Δ is the maximum degree of the network graph and k≥ 1 can be …

Distributed symmetry breaking on power graphs via sparsification

Y Maus, S Peltonen, J Uitto - Proceedings of the 2023 ACM Symposium …, 2023 - dl.acm.org
In this paper we present efficient distributed algorithms for classical symmetry breaking
problems, maximal independent sets (MIS) and ruling sets, in power graphs. We work in the …

Component stability in low-space massively parallel computation

A Czumaj, P Davies, M Parter - … of the 2021 ACM Symposium on …, 2021 - dl.acm.org
In this paper, we study the power and limitations of component-stable algorithms in the low-
space model of Massively Parallel Computation (MPC). Recently Ghaffari, Kuhn and Uitto …

Fast distributed Brooks' theorem

M Fischer, MM Halldórsson, Y Maus - Proceedings of the 2023 Annual ACM …, 2023 - SIAM
We give a randomized Δ-coloring algorithm in the LOCAL model that runs in poly log log n
rounds, where n is the number of nodes of the input graph and Δ is its maximum degree …

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 …