Fully-dynamic graph sparsifiers against an adaptive adversary

A Bernstein, J Brand, MP Gutenberg… - arXiv preprint arXiv …, 2020 - arxiv.org
Designing dynamic graph algorithms against an adaptive adversary is a major goal in the
field of dynamic graph algorithms. While a few such algorithms are known for spanning …

Term grouping and travelling salesperson for digital quantum simulation

K Gui, T Tomesh, P Gokhale, Y Shi, FT Chong… - arXiv preprint arXiv …, 2020 - arxiv.org
Digital simulation of quantum dynamics by evaluating the time evolution of a Hamiltonian is
the initially proposed application of quantum computing. The large number of quantum gates …

Chasing positive bodies

S Bhattacharya, N Buchbinder, R Levin… - 2023 IEEE 64th …, 2023 - ieeexplore.ieee.org
We study the problem of chasing positive bodies in 1: given a sequence of bodies
K_t=\left{x^t∈R_+^n∣C^tx^t≧1,P^tx^t≦1\right\} revealed online, where C^t and P^t are …

Approximating the held-karp bound for metric TSP in nearly-linear time

C Chekuri, K Quanrud - 2017 IEEE 58th Annual Symposium on …, 2017 - ieeexplore.ieee.org
We give a nearly linear-time randomized approximation scheme for the Held-Karp bound
[22] for Metric-TSP. Formally, given an undirected edge-weighted graph G=(V, ε) on m edges …

Approximating k-edge-connected spanning subgraphs via a near-linear time LP solver

P Chalermsook, CC Huang, D Nanongkai… - arXiv preprint arXiv …, 2022 - arxiv.org
In the $ k $-edge-connected spanning subgraph ($ k $ ECSS) problem, our goal is to
compute a minimum-cost sub-network that is resilient against up to $ k $ link failures: Given …

Sublinear algorithms and lower bounds for metric tsp cost estimation

Y Chen, S Kannan, S Khanna - arXiv preprint arXiv:2006.05490, 2020 - arxiv.org
We consider the problem of designing sublinear time algorithms for estimating the cost of a
minimum metric traveling salesman (TSP) tour. Specifically, given access to a $ n\times n …

Sublinear algorithms and lower bounds for estimating MST and TSP cost in general metrics

Y Chen, S Khanna, Z Tan - arXiv preprint arXiv:2203.14798, 2022 - arxiv.org
We consider the design of sublinear space and query complexity algorithms for estimating
the cost of a minimum spanning tree (MST) and the cost of a minimum traveling salesman …

Finding the shortest path with vertex constraint over large graphs

Y Yang, Z Li, X Wang, Q Hu - Complexity, 2019 - Wiley Online Library
Graph is an important complex network model to describe the relationship among various
entities in real applications, including knowledge graph, social network, and traffic network …

Fast and Deterministic Approximations for -Cut

K Quanrud - arXiv preprint arXiv:1807.07143, 2018 - arxiv.org
In an undirected graph, a $ k $-cut is a set of edges whose removal breaks the graph into at
least $ k $ connected components. The minimum weight $ k $-cut can be computed in $ O …

[PDF][PDF] Solving travelling salesman problem using an improved ant colony optimization algorithm

KI Rufai, OL Usman, OO Olusanya… - University of Ibadan …, 2021 - journals.ui.edu.ng
University of Ibadan Solving Travelling Salesman Problem Using an Improved Ant Colony
Optimization Algorithm Page 1 158 UIJSLICTR Vol. 6 No. 2 June, 2021 ISSN: 2714-3627 …