The power of multi-step vizing chains

ABG Christiansen - Proceedings of the 55th Annual ACM Symposium on …, 2023 - dl.acm.org
Recent papers have addressed different variants of the (Δ+ 1)-edge-colouring problem by
concatenating or gluing together many Vizing chains to form what Bernshteyn coined multi …

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 …

Fast algorithms for Vizing's theorem on bounded degree graphs

A Bernshteyn, A Dhawan - arXiv preprint arXiv:2303.05408, 2023 - arxiv.org
Vizing's theorem states that every graph $ G $ of maximum degree $\Delta $ can be properly
edge-colored using $\Delta+ 1$ colors. The fastest currently known $(\Delta+ 1) $-edge …

Online edge coloring algorithms via the nibble method

S Bhattacharya, F Grandoni, D Wajc - Proceedings of the 2021 ACM-SIAM …, 2021 - SIAM
Nearly thirty years ago, Bar-Noy, Motwani and Naor [IPL'92] conjectured that an online (1+ o
(1)) Δ-edge-coloring algorithm exists for n-node graphs of maximum degree Δ= ω (log n) …

[PDF][PDF] The greedy algorithm is not optimal for on-line edge coloring

A Saberi, D Wajc - 48th International Colloquium on Automata …, 2021 - drops.dagstuhl.de
Nearly three decades ago, Bar-Noy, Motwani and Naor showed that no online edge-coloring
algorithm can edge color a graph optimally. Indeed, their work, titled" the greedy algorithm is …

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 …

Sparsity-parameterised dynamic edge colouring

ABG Christiansen, E Rotenberg, J Vlieghe - arXiv preprint arXiv …, 2023 - arxiv.org
We study the edge-colouring problem, and give efficient algorithms where the number of
colours is parameterised by the graph's arboricity, $\alpha $. In a dynamic graph, subject to …

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 …

A fast distributed algorithm for (Δ+ 1)-edge-coloring

A Bernshteyn - Journal of Combinatorial Theory, Series B, 2022 - Elsevier
We present a deterministic distributed algorithm in the LOCAL model that finds a proper (Δ+
1)-edge-coloring of an n-vertex graph of maximum degree Δ in poly (Δ, log⁡ n) rounds. This …