Faster deterministic distributed MIS and approximate matching

M Ghaffari, C Grunau - Proceedings of the 55th Annual ACM Symposium …, 2023 - dl.acm.org
We present an Õ (log2 n) round deterministic distributed algorithm for the maximal
independent set problem. By known reductions, this round complexity extends also to …

List defective colorings: Distributed algorithms and applications

M Fuchs, F Kuhn - arxiv preprint arxiv:2304.09666, 2023 - arxiv.org
The distributed coloring problem is at the core of the area of distributed graph algorithms
and it is a problem that has seen tremendous progress over the last few years. Much of the …

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 …

Efficient distributed decomposition and routing algorithms in minor-free networks and their applications

YJ Chang - Proceedings of the 2023 ACM Symposium on …, 2023 - dl.acm.org
In the LOCAL model of distributed computing, low-diameter decomposition is an extremely
useful tool in designing algorithms, as it allows us to shift from the general graph setting to …

Near-Optimal Deterministic Network Decomposition and Ruling Set, and Improved MIS

M Ghaffari, C Grunau - 2024 IEEE 65th Annual Symposium on …, 2024 - ieeexplore.ieee.org
This paper improves and in two cases nearly settles, up to logarithmically lower order
factors, the deterministic complexity of some of the most central problems in distributed …

Work-efficient parallel derandomization I: Chernoff-like concentrations via pairwise independence

M Ghaffari, C Grunau, V Rozhoň - 2023 IEEE 64th Annual …, 2023 - ieeexplore.ieee.org
We present a novel technique for work-efficient parallel derandomization, for algorithms that
rely on the concentration of measure bounds such as Chernoff, Hoeffding, and Bernstein …

The complexity of distributed approximation of packing and covering integer linear programs

YJ Chang, Z Li - Proceedings of the 2023 ACM Symposium on …, 2023 - dl.acm.org
In this paper, we present a low-diameter decomposition algorithm in the LOCAL model of
distributed computing that succeeds with probability 1− 1/poly (n). Specifically, we show how …

Decentralized distributed graph coloring: Cluster graphs

M Flin, MM Halldórsson, A Nolin - arxiv preprint arxiv:2405.07725, 2024 - arxiv.org
Graph coloring is fundamental to distributed computing. We give an ultrafast distributed
algorithm for coloring cluster graphs. These graphs are obtained from the underlying …

Fast coloring despite congested relays

M Flin, MM Halldórsson, A Nolin - arxiv preprint arxiv:2308.01359, 2023 - arxiv.org
We provide a $ O (\log^ 6\log n) $-round randomized algorithm for distance-2 coloring in
CONGEST with $\Delta^ 2+ 1$ colors. For $\Delta\gg\operatorname {poly}\log n $, this …

Parallel, distributed, and quantum exact single-source shortest paths with negative edge weights

V Ashvinkumar, A Bernstein, N Cao… - 32nd Annual …, 2024 - research-collection.ethz.ch
This paper presents parallel, distributed, and quantum algorithms for single-source shortest
paths when edges can have negative integer weights (negative-weight SSSP). We show a …