Deterministic decremental sssp and approximate min-cost flow in almost-linear time

A Bernstein, MP Gutenberg… - 2021 IEEE 62nd Annual …, 2022 - ieeexplore.ieee.org
In the decremental single-source shortest paths problem, the goal is to maintain distances
from a fixed source s to every vertex v in an m-edge graph undergoing edge deletions. In …

A new deterministic algorithm for fully dynamic all-pairs shortest paths

J Chuzhoy, R Zhang - Proceedings of the 55th Annual ACM Symposium …, 2023 - dl.acm.org
We study the fully dynamic All-Pairs Shortest Paths (APSP) problem in undirected edge-
weighted graphs. Given an n-vertex graph G with non-negative edge lengths, that …

Decremental all-pairs shortest paths in deterministic near-linear time

J Chuzhoy - Proceedings of the 53rd Annual ACM SIGACT …, 2021 - dl.acm.org
We study the decremental All-Pairs Shortest Paths (APSP) problem in undirected edge-
weighted graphs. The input to the problem is an undirected n-vertex m-edge graph G with …

Bootstrap** dynamic distance oracles

S Forster, G Goranci, Y Nazari, A Skarlatos - arxiv preprint arxiv …, 2023 - arxiv.org
Designing approximate all-pairs distance oracles in the fully dynamic setting is one of the
central problems in dynamic graph algorithms. Despite extensive research on this topic, the …

Dynamic Deterministic Constant-Approximate Distance Oracles with Worst-Case Update Time

B Haeupler, Y Long, T Saranurak - 2024 IEEE 65th Annual …, 2024 - ieeexplore.ieee.org
We present a new distance oracle in the fully dynamic setting: given a weighted undirected
graph G=(V, E) with n vertices undergoing both edge insertions and deletions, and an …

Faster deterministic worst-case fully dynamic all-pairs shortest paths via decremental hop-restricted shortest paths

S Chechik, T Zhang - Proceedings of the 2023 Annual ACM-SIAM …, 2023 - SIAM
Dynamic all-pairs shortest paths is a well-studied problem in the field of dynamic graph
algorithms. More specifically, given a directed weighted graph G=(V, E, ω) on n vertices …

Dynamic algorithms for k-center on graphs

E Cruciani, S Forster, G Goranci, Y Nazari… - Proceedings of the 2024 …, 2024 - SIAM
In this paper we give the first efficient algorithms for the k-center problem on dynamic graphs
undergoing edge updates. In this problem, the goal is to partition the input into k sets by …

Bellman-Ford is optimal for shortest hop-bounded paths

T Kociumaka, A Polak - arxiv preprint arxiv:2211.07325, 2022 - arxiv.org
This paper is about the problem of finding a shortest $ s $-$ t $ path using at most $ h $
edges in edge-weighted graphs. The Bellman--Ford algorithm solves this problem in $ O …

Deterministic incremental APSP with polylogarithmic update time and stretch

S Forster, Y Nazari, M Probst Gutenberg - Proceedings of the 55th …, 2023 - dl.acm.org
We provide the first deterministic data structure that given a weighted undirected graph
undergoing edge insertions, processes each update with polylogarithmic amortized update …

New tradeoffs for decremental approximate all-pairs shortest paths

M Dory, S Forster, Y Nazari, T de Vos - arxiv preprint arxiv:2211.01152, 2022 - arxiv.org
We provide new tradeoffs between approximation and running time for the decremental all-
pairs shortest paths (APSP) problem. For undirected graphs with $ m $ edges and $ n …