An indoor wireless system for personalized shopping assistance

A Asthana, M Crauatts… - 1994 First Workshop on …, 1994 - ieeexplore.ieee.org
By integrating wireless, video, speech and real-time data access technologies, a unique
shopping assistant service can be created that personalizes the attention provided to a …

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 …

Sublinear algorithms for (Δ+ 1) vertex coloring

S Assadi, Y Chen, S Khanna - Proceedings of the Thirtieth Annual ACM-SIAM …, 2019 - SIAM
Any graph with maximum degree Δ admits a proper vertex coloring with Δ+ 1 colors that can
be found via a simple sequential greedy algorithm in linear time and space. But can one find …

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 …

On the complexity of local distributed graph problems

M Ghaffari, F Kuhn, Y Maus - Proceedings of the 49th Annual ACM …, 2017 - dl.acm.org
This paper is centered on the complexity of graph problems in the well-studied LOCAL
model of distributed computing, introduced by Linial [FOCS'87]. It is widely known that for …

Local conflict coloring

P Fraigniaud, M Heinrich… - 2016 IEEE 57th annual …, 2016 - ieeexplore.ieee.org
Locally finding a solution to symmetry-breaking tasks such as vertex-coloring, edge-coloring,
maximal matching, maximal independent set, etc., is a long-standing challenge in distributed …

The complexity of (Δ+ 1) coloring in congested clique, massively parallel computation, and centralized local computation

YJ Chang, M Fischer, M Ghaffari, J Uitto… - Proceedings of the 2019 …, 2019 - dl.acm.org
In this paper, we present new randomized algorithms that improve the complexity of the
classic (Δ+ 1)-coloring problem, and its generalization (Δ+ 1)-list-coloring, in three well …

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 …

Sublinear time and space algorithms for correlation clustering via sparse-dense decompositions

S Assadi, C Wang - arXiv preprint arXiv:2109.14528, 2021 - arxiv.org
We present a new approach for solving (minimum disagreement) correlation clustering that
results in sublinear algorithms with highly efficient time and space complexity for this …