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QuateXelero: an accelerated exact network motif detection algorithm. [PDF]

open access: yesPLoS ONE, 2013
Finding motifs in biological, social, technological, and other types of networks has become a widespread method to gain more knowledge about these networks' structure and function.
Sahand Khakabimamaghani   +4 more
doaj   +4 more sources

An ETH-Tight Exact Algorithm for Euclidean TSP [PDF]

open access: yesIEEE Annual Symposium on Foundations of Computer Science, 2018
We study exact algorithms for {\sc Euclidean TSP} in $\mathbb{R}^d$. In the early 1990s algorithms with $n^{O(\sqrt{n})}$ running time were presented for the planar case, and some years later an algorithm with $n^{O(n^{1-1/d})}$ running time was ...
Bodlaender, Hans L.   +4 more
core   +6 more sources

Superlinear advantage for exact quantum algorithms [PDF]

open access: yesProceedings of the forty-fifth annual ACM symposium on Theory of Computing, 2013
A quantum algorithm is exact if, on any input data, it outputs the correct answer with certainty (probability 1). A key question is: how big is the advantage of exact quantum algorithms over their classical counterparts: deterministic algorithms.
Ambainis, Andris
core   +4 more sources

An Exact Algorithm for Minimum Vertex Cover Problem

open access: yesMathematics, 2019
In this paper, we propose a branch-and-bound algorithm to solve exactly the minimum vertex cover (MVC) problem. Since a tight lower bound for MVC has a significant influence on the efficiency of a branch-and-bound algorithm, we define two novel lower ...
Luzhi Wang   +3 more
doaj   +3 more sources

An exact algorithm for the unrestricted block relocation problem

open access: yesComputers and Operations Research, 2018
The purpose of this study is to propose an exact algorithm for the unrestricted block relocation problem with distinct priorities. In this problem, a storage area is considered where blocks of the same size are stacked vertically in tiers. Because we can
Shunji Tanaka
exaly   +2 more sources

The Moving Firefighter Problem

open access: yesMathematics, 2022
The original formulation of the firefighter problem defines a discrete-time process where a fire starts at a designated subset of the vertices of a graph G.
Bruno R. Gutiérrez-De-La-Paz   +5 more
doaj   +1 more source

An empirical analysis of exact algorithms for solving non-preemptive flow shop scheduling problem [PDF]

open access: yesInternational Journal of Research in Industrial Engineering, 2022
Sequencing and scheduling are the forms of decision-making approach that play a vital role in the automation and services industries. Efficient scheduling can help the industries to achieve the full potential of their supply chains.
Md. Kawsar Ahmed Asif   +3 more
doaj   +1 more source

Economic Order Quantity for Growing Items with Discrete Orders [PDF]

open access: yesمجله مدل سازی در مهندسی, 2019
This paper presents an economic order quantity model (EOQ) for growing items. In this inventory system, a buyer orders those items such as livestock and poultry, after a period of time grow and reach their ideal weight.
Amirhossein Nobil, Ata Allah Taleizadeh
doaj   +1 more source

Constructing an Evolutionary Tree and Path–Cycle Graph Evolution along It

open access: yesMathematics, 2023
The paper solves the problem of constructing an evolutionary tree and the evolution of structures along it. This problem has long been posed and extensively researched; it is formulated and discussed below.
Konstantin Gorbunov, Vassily Lyubetsky
doaj   +1 more source

Mathematical Formulations for Asynchronous Parallel Disassembly Planning of End-of-Life Products

open access: yesMathematics, 2022
Disassembly is one of the most time-consuming and labor-intensive activities during the value recovery of end-of-life (EOL) products. The completion time (makespan) of disassembling EOL products is highly associated with the allocation of operators ...
Leilei Meng   +5 more
doaj   +1 more source

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