The locality of distributed symmetry breaking
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 …
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
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 …
problems in the LOCAL model, such as maximal matching, MIS, vertex coloring, and edge …
On derandomizing local distributed algorithms
The gap between the known randomized and deterministic local distributed algorithms
underlies arguably the most fundamental and central open question in distributed graph …
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 …
problems are among the most important and intensively studied problems in distributed …
An optimal distributed (δ+ 1)-coloring algorithm?
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 …
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 …
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 …
model.\em Locally-iterative algorithms are especially important in this setting. These are …
Deterministic distributed edge-coloring via hypergraph maximal matching
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) …
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
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 …
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 …
elements from a distributed sampling space. When used in the context of a recent Local …