Undirected (1+𝜀)-shortest paths via minor-aggregates: near-optimal deterministic parallel and distributed algorithms
This paper presents near-optimal deterministic parallel and distributed algorithms for
computing (1+ eps)-approximate single-source shortest paths in any undirected weighted …
computing (1+ eps)-approximate single-source shortest paths in any undirected weighted …
Deterministic distributed vertex coloring: Simpler, faster, and without network decomposition
M Ghaffari, F Kuhn - 2021 IEEE 62nd Annual Symposium on …, 2022 - ieeexplore.ieee.org
We present a simple deterministic distributed algorithm that computes a (Δ+1)-vertex
coloring in O(log^2Δ.log\n) rounds. The algorithm can be implemented with O(log\n)-bit …
coloring in O(log^2Δ.log\n) rounds. The algorithm can be implemented with O(log\n)-bit …
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 …
independent set problem. By known reductions, this round complexity extends also to …
Local distributed rounding: Generalized to mis, matching, set cover, and beyond
We develop a general deterministic distributed method for locally rounding fractional
solutions of graph problems for which the analysis can be broken down into analyzing pairs …
solutions of graph problems for which the analysis can be broken down into analyzing pairs …
Improved distributed network decomposition, hitting sets, and spanners, via derandomization
This paper presents significantly improved deterministic algorithms for some of the key
problems in the area of distributed graph algorithms, including network decomposition …
problems in the area of distributed graph algorithms, including network decomposition …
Local problems on grids from the perspective of distributed algorithms, finitary factors, and descriptive combinatorics
J Grebík, V Rozhoň - Advances in Mathematics, 2023 - Elsevier
We present an intimate connection among the following fields:(a) distributed local
algorithms: coming from the area of computer science,(b) finitary factors of iid processes …
algorithms: coming from the area of computer science,(b) finitary factors of iid processes …
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 …
Deterministic low-diameter decompositions for weighted graphs and distributed and parallel applications
This paper presents new deterministic and distributed low-diameter decomposition
algorithms for weighted graphs. In particular, we show that if one can efficiently compute …
algorithms for weighted graphs. In particular, we show that if one can efficiently compute …
Distributed∆-coloring plays hide-and-seek
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 …
breaking problems in graphs. As a basic tool, we first provide a new insightful proof that any …
List defective colorings: Distributed algorithms and applications
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 …
and it is a problem that has seen tremendous progress over the last few years. Much of the …