Locally checkable problems in rooted trees

A Balliu, S Brandt, D Olivetti, J Studený… - Proceedings of the …, 2021 - dl.acm.org
Consider any locally checkable labeling problem Π in rooted regular trees: there is a finite
set of labels Σ, and for each label χ x Σ we specify what are permitted label combinations of …

Shared Randomness Helps with Local Distributed Problems

A Balliu, M Ghaffari, F Kuhn, A Modanese… - arxiv preprint arxiv …, 2024 - arxiv.org
By prior work, we have many results related to distributed graph algorithms for problems that
can be defined with local constraints; the formal framework used in prior work is locally …

The landscape of distributed complexities on trees and beyond

C Grunau, V Rozhoň, S Brandt - … of the 2022 ACM Symposium on …, 2022 - dl.acm.org
We study the local complexity landscape of locally checkable labeling (LCL) problems on
constant-degree graphs with a focus on complexities below log* n. Our contribution is …

Exponential speedup over locality in MPC with optimal memory

A Balliu, S Brandt, M Fischer, R Latypov… - arxiv preprint arxiv …, 2022 - arxiv.org
Locally Checkable Labeling (LCL) problems are graph problems in which a solution is
correct if it satisfies some given constraints in the local neighborhood of each node. Example …

Local advice and local decompression

A Balliu, S Brandt, F Kuhn, K Nowicki, D Olivetti… - arxiv preprint arxiv …, 2024 - arxiv.org
Algorithms with advice have received ample attention in the distributed and online settings,
and they have recently proven useful also in dynamic settings. In this work we study local …

The Distributed Complexity of Locally Checkable Labeling Problems Beyond Paths and Trees

YJ Chang - arxiv preprint arxiv:2311.06726, 2023 - arxiv.org
We consider locally checkable labeling LCL problems in the LOCAL model of distributed
computing. Since 2016, there has been a substantial body of work examining the possible …

Optimal deterministic massively parallel connectivity on forests

A Balliu, R Latypov, Y Maus, D Olivetti, J Uitto - … of the 2023 Annual ACM-SIAM …, 2023 - SIAM
We show fast deterministic algorithms for fundamental problems on forests in the
challenging low-space regime of the well-known Massive Parallel Computation (MPC) …

Efficient classification of locally checkable problems in regular trees

A Balliu, S Brandt, YJ Chang, D Olivetti… - arxiv preprint arxiv …, 2022 - arxiv.org
We give practical, efficient algorithms that automatically determine the asymptotic distributed
round complexity of a given locally checkable graph problem in the $[\Theta (\log n),\Theta …

Efficient CONGEST algorithms for the Lovász local lemma

Y Maus, J Uitto - arxiv preprint arxiv:2108.02638, 2021 - arxiv.org
We present a poly $\log\log n $ time randomized CONGEST algorithm for a natural class of
Lovasz Local Lemma (LLL) instances on constant degree graphs. This implies, among other …

Brief Announcement: Local Advice and Local Decompression

A Balliu, S Brandt, F Kuhn, K Nowicki… - Proceedings of the 43rd …, 2024 - dl.acm.org
In this work we study local computation with advice: the goal is to solve a graph problem Π
with a distributed algorithm in f (Δ) communication rounds, for some function f that only …