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 …

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 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 …

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 lower bounds for ruling sets

A Balliu, S Brandt, D Olivetti - SIAM Journal on Computing, 2022 - SIAM
Given a graph G=(V,E), an (α,β)-ruling set is a subset S⊆V such that the distance between
any two vertices in S is at least α, and the distance between any vertex in V and the closest …

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 edge coloring in time polylogarithmic in Δ

A Balliu, S Brandt, F Kuhn, D Olivetti - … of the 2022 ACM Symposium on …, 2022 - dl.acm.org
We provide new deterministic algorithms for the edge coloring problem, which is one of the
classic and highly studied distributed local symmetry breaking problems. As our main result …

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 …

Distributed maximal matching and maximal independent set on hypergraphs

A Balliu, S Brandt, F Kuhn, D Olivetti - Proceedings of the 2023 Annual ACM …, 2023 - SIAM
We investigate the distributed complexity of maximal matching and maximal independent set
(MIS) in hypergraphs in the LOCAL model. A maximal matching of a hypergraph H=(VH, EH) …