Unifying and strengthening hardness for dynamic problems via the online matrix-vector multiplication conjecture

M Henzinger, S Krinninger, D Nanongkai… - Proceedings of the forty …, 2015 - dl.acm.org
Consider the following Online Boolean Matrix-Vector Multiplication problem: We are given
an nxn matrix M and will receive n column-vectors of size n, denoted by v1,..., vn, one by …

Popular conjectures imply strong lower bounds for dynamic problems

A Abboud, VV Williams - 2014 IEEE 55th Annual Symposium …, 2014 - ieeexplore.ieee.org
We consider several well-studied problems in dynamic algorithms and prove that sufficient
progress on any of them would imply a breakthrough on one of five major open problems in …

Strategies for ensuring required service level for COVID-19 herd immunity in Indian vaccine supply chain

P Sinha, S Kumar, C Chandra - European journal of operational research, 2023 - Elsevier
Post COVID-19 vaccine development, nations are now getting ready to face another
challenge: how to effectively distribute vaccines amongst the masses to quickly achieve herd …

Almost-linear time algorithms for incremental graphs: Cycle detection, sccs, st shortest path, and minimum-cost flow

L Chen, R Kyng, YP Liu, S Meierhans… - Proceedings of the 56th …, 2024 - dl.acm.org
We give the first almost-linear time algorithms for several problems in incremental graphs
including cycle detection, strongly connected component maintenance, st shortest path …

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 …

Deterministic decremental reachability, scc, and shortest paths via directed expanders and congestion balancing

A Bernstein, MP Gutenberg… - 2020 IEEE 61st Annual …, 2020 - ieeexplore.ieee.org
Let G=(V, E, w) be a weighted, directed graph subject to a sequence of adversarial edge
deletions. In the decremental single-source reachability problem (SSR), we are given a fixed …

Matching triangles and basing hardness on an extremely popular conjecture

A Abboud, V Vassilevska Williams, H Yu - Proceedings of the forty …, 2015 - dl.acm.org
Due to the lack of unconditional polynomial lower bounds, it is now in fashion to prove
conditional lower bounds in order to advance our understanding of the class P. The vast …

Incremental graph computations: Doable and undoable

W Fan, C Hu, C Tian - Proceedings of the 2017 ACM International …, 2017 - dl.acm.org
The incremental problem for a class Q of graph queries aims to compute, given a query Q
in'Q, graph G, output Q (G) and updates Δ G to G as input, changes Δ O to Q (G) such that Q …

Reactive sampling-based path planning with temporal logic specifications

CI Vasile, X Li, C Belta - The International Journal of …, 2020 - journals.sagepub.com
We develop a sampling-based motion planning algorithm that combines long-term temporal
logic goals with short-term reactive requirements. The mission specification has two parts:(1) …

Sampling-based temporal logic path planning

CI Vasile, C Belta - 2013 IEEE/RSJ international conference on …, 2013 - ieeexplore.ieee.org
In this paper, we propose a sampling-based motion planning algorithm that finds an infinite
path satisfying a Linear Temporal Logic (LTL) formula over a set of properties satisfied by …