Results 1 to 10 of about 231,754 (314)

Evolution of managerial problems from the perspective of management science [PDF]

open access: yesBusiness: Theory and Practice, 2015
Managerial problems and the process of their solving play an important role both in the theory of management science and practice of organisations’ functioning.
Marek Szarucki
doaj   +3 more sources

Reinforcement learning-controlled differential evolution with L-BFGS refinements. [PDF]

open access: yesPLoS ONE
Differential evolution has become one of the mainstream solvers for complex optimization problems due to its concise structure and strong global search ability.
Yang Cao, Bingchuan Wu, Miao Wen
doaj   +2 more sources

Advances in Deformation and Permeability Evolution during Creep of Rocks

open access: yesGeotechnics, 2022
The goal of this paper is to review the research advances in deformation and permeability evolution during the creep of rocks in geoengineering problems through aspects of experiments, models, and methods.
Xiancheng Wu, Zaobao Liu
doaj   +1 more source

The Evolution of “Co-evolution” (Part I): Problem Solving, Problem Finding, and Their Interaction in Design and Other Creative Practices

open access: yesShe Ji: The Journal of Design, Economics and Innovation, 2021
One of the most influential descriptions of design activity emphasizes how problems and solutions “co-evolve.” This concept has somehow escaped critical review and cross-disciplinary comparison, resulting in a fragmented approach to the subject ...
Nathan Crilly
doaj   +1 more source

Using an Improved Differential Evolution for Scheduling Optimization of Dual-Gantry Multi-Head Surface-Mount Placement Machine

open access: yesMathematics, 2021
The difference between dual-gantry and single-gantry surface-mount placement (SMP) machines is that dual-gantry machines exhibit higher complexity and more problems due to their additional gantry robot, such as component allocation and collision.
Cheng-Jian Lin, Chun-Hui Lin
doaj   +1 more source

Traffic optimization in IoT networks [PDF]

open access: yesE3S Web of Conferences, 2021
Since the 2000s, the idea that the Internet could be used for machine-to-machine communication and process automation has emerged. Together with the development of electronic objects capable of communicating with IP protocols, this idea led to the ...
Ouahi Hassan, Mazoul Abdenbi
doaj   +1 more source

Hidden maximal monotonicity in evolutionary variational-hemivariational inequalities

open access: yesNonlinear Analysis, 2021
In this paper, we propose a new methodology to study evolutionary variational-hemivariational inequalities based on the theory of evolution equations governed by maximal monotone operators. More precisely, the proposed approach, based on a hidden maximal
Emilio Vilches, Shengda Zeng
doaj   +1 more source

Problems and prospects of evolution of the relations between Germany and Turkey

open access: yesКонфликтология / nota bene, 2021
This article analyzes the concerns and prospects for the development of relations between Turkey and Germany based on the historical method and event study. The relevance of this topic lies in the fact that at the in the context of transition of the global political system from bilateral to multilateral model of world political landscape, Turkey& ...
Gasan Islamovich Bulatov   +2 more
openaire   +2 more sources

A Method of Lower and Upper Solutions for Control Problems and Application to a Model of Bone Marrow Transplantation

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2023
A lower and upper solution method is introduced for control problems related to abstract operator equations. The method is illustrated on a control problem for the Lotka–Volterra model with seasonal harvesting and applied to a control problem of cell ...
Parajdi Lorand Gabriel   +2 more
doaj   +1 more source

Entropy - Some Cosmological Questions Answered by Model of Expansive Nondecelerative Universe

open access: yesEntropy, 2003
: The paper summarizes the background of Expansive Nondecelerative Universe model and its potential to offer answers to some open cosmological questions related to entropy.
Miroslav Sukenik, Jozef Sima
doaj   +1 more source

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