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Deterministic decremental sssp and approximate min-cost flow in almost-linear time
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 …
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 …
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 …
weighted graphs. The input to the problem is an undirected n-vertex m-edge graph G with …
Bootstrap** dynamic distance oracles
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 …
central problems in dynamic graph algorithms. Despite extensive research on this topic, the …
Dynamic Deterministic Constant-Approximate Distance Oracles with Worst-Case Update Time
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 …
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
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 …
algorithms. More specifically, given a directed weighted graph G=(V, E, ω) on n vertices …
Dynamic algorithms for k-center on graphs
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 …
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
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 …
edges in edge-weighted graphs. The Bellman--Ford algorithm solves this problem in $ O …
Deterministic incremental APSP with polylogarithmic update time and stretch
We provide the first deterministic data structure that given a weighted undirected graph
undergoing edge insertions, processes each update with polylogarithmic amortized update …
undergoing edge insertions, processes each update with polylogarithmic amortized update …
New tradeoffs for decremental approximate all-pairs shortest paths
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 …
pairs shortest paths (APSP) problem. For undirected graphs with $ m $ edges and $ n …