Results 31 to 40 of about 16,482,147 (331)

Coalition structure generation in cooperative games with compact representations [PDF]

open access: yes, 2018
This paper presents a new way of formalizing the coalition structure generation problem (CSG) so that we can apply constraint optimization techniques to it. Forming effective coalitions is a major research challenge in AI and multi-agent systems.
Atsushi Iwasaki   +5 more
core   +2 more sources

Toward solving the sign problem with path optimization method [PDF]

open access: yes, 2017
We propose a new approach to circumvent the sign problem in which the integration path is optimized to control the sign problem. We give a trial function specifying the integration path in the complex plane and tune it to optimize the cost function which
Kashiwa, Kouji   +2 more
core   +2 more sources

Underwater image restoration through regularization of coherent structures

open access: yesFrontiers in Marine Science, 2022
Restoration of underwater images plays a vital role in underwater target detection and recognition, underwater robots, underwater rescue, sea organism monitoring, marine geological survey, and real-time navigation.
Usman Ali, Muhammad Tariq Mahmood
doaj   +1 more source

Notes on Alpha Stream Optimization [PDF]

open access: yes, 2015
In these notes we discuss investment allocation to multiple alpha streams traded on the same execution platform, including when trades are crossed internally resulting in turnover reduction.
Kakushadze, Zura
core   +1 more source

About the Object-Oriented Implementation of the Branch and Boundary Method for the Travelling Salesman Problem. Part I

open access: yesСовременные информационные технологии и IT-образование, 2022
Many discrete optimization problems are very difficult to solve on a computer; hence they are titled “intractable”. More precisely, the possible approaches to solving these problems quickly are difficult to solve (for describing algorithms, for ...
Boris Melnikov
doaj   +1 more source

A variational framework for flow optimization using semi-norm constraints [PDF]

open access: yes, 2012
When considering a general system of equations describing the space-time evolution (flow) of one or several variables, the problem of the optimization over a finite period of time of a measure of the state variable at the final time is a problem of great
C. P. Caulfield   +4 more
core   +2 more sources

Solving the Container Relocation Problem by Using a Metaheuristic Genetic Algorithm

open access: yesApplied Sciences, 2022
Maritime transport is the backbone of international trade of goods. Therefore, seaports are of great importance for maritime transport. Container transport plays an important role in maritime transport and is increasing year by year.
Marko Gulić   +3 more
doaj   +1 more source

Quantum Optimization Problems

open access: yes, 2002
Krentel [J. Comput. System. Sci., 36, pp.490--509] presented a framework for an NP optimization problem that searches an optimal value among exponentially-many outcomes of polynomial-time computations.
C. H. Bennett   +14 more
core   +2 more sources

Alternating Direction Methods for Latent Variable Gaussian Graphical Model Selection [PDF]

open access: yes, 2012
Chandrasekaran, Parrilo and Willsky (2010) proposed a convex optimization problem to characterize graphical model selection in the presence of unobserved variables.
Ma, Shiqian, Xue, Lingzhou, Zou, Hui
core   +2 more sources

A Coevolutionary Framework for Constrained Multiobjective Optimization Problems

open access: yesIEEE Transactions on Evolutionary Computation, 2021
Constrained multiobjective optimization problems (CMOPs) are challenging because of the difficulty in handling both multiple objectives and constraints. While some evolutionary algorithms have demonstrated high performance on most CMOPs, they exhibit bad
Ye Tian   +4 more
semanticscholar   +1 more source

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