Výsledky vyhledávání - Operations research, mathematical programming Mathematical programming

Weakly Modular Graphs and Nonpositive Curvature Autor Chalopin, Jérémie, Chepoi, Victor, Hirai, Hiroshi, Osajda, Damian

“…This article investigates structural, geometrical, and topological characterizations and properties of weakly modular graphs and of cell complexes derived from…”
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In Vivo, Non-Invasive Characterization of Human Bone by Hybrid Broadband (600-1200 nm) Diffuse Optical and Correlation Spectroscopies Autor Konugolu Venkata Sekar, Sanathana, Pagliazzi, Marco, Negredo, Eugènia, Martelli, Fabrizio, Farina, Andrea, Dalla Mora, Alberto, Lindner, Claus, Farzam, Parisa, Pérez-Álvarez, Núria, Puig, Jordi, Taroni, Paola, Pifferi, Antonio, Durduran, Turgut

“…Non-invasive in vivo diffuse optical characterization of human bone opens a new possibility of diagnosing bone related pathologies. We present an in vivo…”
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The use of grossone in Mathematical Programming and Operations Research Autor De Cosmis, Sonia, De Leone, Renato

“… of ① in Operations Research and Mathematical Programming. In particular, we will show how the use of ① can be beneficial in anti-cycling procedure for the well-known Simplex…”
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Tropical and idempotent mathematics and applications : International Workshop Tropical and Idempotent Mathematics, August 26-31, 2012, Independent University, Moscow, Russia Autor International Workshop Tropical and Idempotent Mathematics, Litvinov, G. L. (Grigoriĭ Lazarevich), Sergeev, S. N.

“…This volume contains the proceedings of the International Workshop on Tropical and Idempotent Mathematics, held at the Independent University of Moscow,…”
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Minimum Spanning Trees with neighborhoods: Mathematical programming formulations and solution methods Autor Blanco, Víctor, Fernández, Elena, Puerto, Justo

“… are measured with a ℓq-norm. Two Mixed Integer Non Linear mathematical programming formulations are presented, based on alternative representations of subtour elimination constraints…”
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CONSORT 2010 statement: extension to randomised pilot and feasibility trials Autor Eldridge, Sandra M, Chan, Claire L, Campbell, Michael J, Bond, Christine M, Hopewell, Sally, Thabane, Lehana, Lancaster, Gillian A

“…The Consolidated Standards of Reporting Trials (CONSORT) statement is a guideline designed to improve the transparency and quality of the reporting of…”
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Preface: Special Issue on New Developments in Mathematical Programming and Operations Research Autor Dai, Yu-Hong, Han, De-Ren, Wu, Ling-Yun, Xu, Yan

“…Optimization and operations research in mitigation of a pandemic (Cai-Hua Chen, Yu-Hang Du, Dong-Dong Ge, Lin Lei, Yin-Yu Ye…”
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The Shared Customer Collaboration Vehicle Routing Problem Autor Fernández, Elena, Roca-Riu, Mireia, Speranza, M. Grazia

“…•We introduce the Shared Customer Collaboration Vehicle Routing Problem.•There are potential savings when carriers collaborate to serve shared customers.•Two…”
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A cutting-plane approach for large-scale capacitated multi-period facility location using a specialized interior-point method Autor Castro, Jordi, Nasini, Stefano, Saldanha-da-Gama, Francisco

“…We propose a cutting-plane approach (namely, Benders decomposition) for a class of capacitated multi-period facility location problems. The novelty of this…”
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Equivalence between polyhedral projection, multiple objective linear programming and vector linear programming Autor Lohne, Andreas, Weising, Benjamin

“… This problem, called polyhedral projection problem, is shown to be equivalent to multiple objective linear programming…”
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The Flexible Periodic Vehicle Routing Problem Autor Archetti, Claudia, Fernández, Elena, Huerta-Muñoz, Diana L.

“…•A Mathematical model for the Flexible Periodic Vehicle Routing Problem (FPVRP) is proposed.•A Load-based formulation is developed to solve the FPVRP…”
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Hub network design problems with profits Autor Alibeyg, Armaghan, Contreras, Ivan, Fernández, Elena

“…•Alternative models and integer programming formulations proposed and analyzed.•Results from computational tests highlight the superiority for these models for decision-making…”
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Combining metaheuristics with mathematical programming, constraint programming and machine learning Autor Talbi, El-Ghazali

“…) Combining metaheuristics with exact methods from mathematical programming approaches which are mostly used in the operations research community. (3…”
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Exact solution of hub network design problems with profits Autor Alibeyg, Armaghan, Contreras, Ivan, Fernández, Elena

“…•Study hub network design problems with profit-oriented objectives.•Simultaneous optimization of collected profit, setup and transportation costs.•A Lagrangian…”
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Parking slot assignment for urban distribution: Models and formulations Autor Roca-Riu, Mireia, Fernández, Elena, Estrada, Miquel

“… for urban distribution and we propose the use of mathematical programming formulations to model…”
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Importance measures in reliability and mathematical programming Autor Zhu, Xiaoyan, Kuo, Way

“…, and fault diagnosis and maintenance. It also investigates importance measures in broad applications such as networks, mathematical programming, sensitivity…”
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An optimization‐based phase‐field method for continuous‐discontinuous crack propagation Autor Geelen, Rudy J. M., Liu, Yingjie, Dolbow, John E., Rodríguez-Ferran, Antonio

“…Summary A new continuous‐discontinuous strategy for the computational modeling of crack propagation within the context of phase‐field models of fracture is…”
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Time series modeling and forecasting by mathematical programming Autor Bichescu, Bogdan, Polak, George G.

“…•Times series prediction based on optimization modeling and an ARIMA-like structure.•Our models include seasonal, AR, MA, white noise, and free variation…”
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Converse flexoelectricity yields large piezoresponse force microscopy signals in non-piezoelectric materials Autor Abdollahi, Amir, Domingo, Neus, Arias, Irene, Catalan, Gustau

“…Converse flexoelectricity is a mechanical stress induced by an electric polarization gradient. It can appear in any material, irrespective of symmetry,…”
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Association Between Time to Reperfusion and Outcome Is Primarily Driven by the Time From Imaging to Reperfusion Autor Ribo, Marc, Molina, Carlos A, Cobo, Erik, Cerdà, Neus, Tomasello, Alejandro, Quesada, Helena, De Miquel, Maria Angeles, Millan, Mónica, Castaño, Carlos, Urra, Xabier, Sanroman, Luis, Dàvalos, Antoni, Jovin, Tudor

“…A progressive decline in the odds of favorable outcome as time to reperfusion increases is well known. However, the impact of specific workflow intervals is…”
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