The locality of distributed symmetry breaking

L Barenboim, M Elkin, S Pettie… - Journal of the ACM (JACM), 2016 - dl.acm.org
Symmetry-breaking problems are among the most well studied in the field of distributed
computing and yet the most fundamental questions about their complexity remain open. In …

An exponential separation between randomized and deterministic complexity in the LOCAL model

YJ Chang, T Kopelowitz, S Pettie - SIAM Journal on Computing, 2019 - SIAM
Over the past 30 years numerous algorithms have been designed for symmetry breaking
problems in the LOCAL model, such as maximal matching, MIS, vertex coloring, and edge …

On derandomizing local distributed algorithms

M Ghaffari, DG Harris, F Kuhn - 2018 IEEE 59th Annual …, 2018 - ieeexplore.ieee.org
The gap between the known randomized and deterministic local distributed algorithms
underlies arguably the most fundamental and central open question in distributed graph …

Deterministic (Δ+ 1)-coloring in sublinear (in Δ) time in static, dynamic, and faulty networks

L Barenboim - Journal of the ACM (JACM), 2016 - dl.acm.org
We study the distributed (Δ+ 1)-vertex-coloring and (2Δ− 1)-edge-coloring problems. These
problems are among the most important and intensively studied problems in distributed …

An optimal distributed (δ+ 1)-coloring algorithm?

YJ Chang, W Li, S Pettie - Proceedings of the 50th Annual ACM SIGACT …, 2018 - dl.acm.org
Vertex coloring is one of the classic symmetry breaking problems studied in distributed
computing. In this paper we present a new algorithm for (Δ+ 1)-list coloring in the …

Near-optimal distributed degree+ 1 coloring

MM Halldórsson, F Kuhn, A Nolin… - Proceedings of the 54th …, 2022 - dl.acm.org
We present a new approach to randomized distributed graph coloring that is simpler and
more efficient than previous ones. In particular, it allows us to tackle the (deg+ 1)-list-coloring …

Locally-Iterative Distributed (Δ+ 1) -Coloring below Szegedy-Vishwanathan Barrier, and Applications to Self-Stabilization and to Restricted-Bandwidth Models

L Barenboim, M Elkin, U Goldenberg - … of the 2018 ACM Symposium on …, 2018 - dl.acm.org
We consider graph coloring and related problems in the distributed message-passing
model.\em Locally-iterative algorithms are especially important in this setting. These are …

Deterministic distributed edge-coloring via hypergraph maximal matching

M Fischer, M Ghaffari, F Kuhn - 2017 IEEE 58th Annual …, 2017 - ieeexplore.ieee.org
We present a deterministic distributed algorithm that computes a (2Δ-1)-edge-coloring, or
even list-edge-coloring, in any n-node graph with maximum degree Δ, in O (log 8 Δ· log n) …

Efficient randomized distributed coloring in CONGEST

MM Halldórsson, F Kuhn, Y Maus… - Proceedings of the 53rd …, 2021 - dl.acm.org
Distributed vertex coloring is one of the classic problems and probably also the most widely
studied problems in the area of distributed graph algorithms. We present a new randomized …

Overcoming congestion in distributed coloring

MM Halldórsson, A Nolin, T Tonoyan - … of the 2022 ACM Symposium on …, 2022 - dl.acm.org
We present a new technique to efficiently sample and communicate a large number of
elements from a distributed sampling space. When used in the context of a recent Local …