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Artículos Encontrados 44 registros  1 - 10siguientefinal  ir al registro: La búsqueda tardó 0.00 segundos. 
1.
14 p, 407.4 KB Random Walks on Comb-like Structures under Stochastic Resetting / Masó-Puigdellosas, Axel (Universitat Autònoma de Barcelona. Departament de Física) ; Sandev, Trifce (Macedonian Academy of Sciences and Arts) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física)
We study the long-time dynamics of the mean squared displacement of a random walker moving on a comb structure under the effect of stochastic resetting. We consider that the walker's motion along the backbone is diffusive and it performs short jumps separated by random resting periods along fingers. [...]
2023 - 10.3390/e25111529
Entropy, Vol. 25, Issue 11 (November 2023) , art. 1529  
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2.
16 p, 3.2 MB Informational Entropy Threshold as a Physical Mechanism for Explaining Tree-like Decision Making in Humans / Cristín, Javier (Universita' Sapienza. Dipartimento di Fisica) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física)
While approaches based on physical grounds (such as the drift-diffusion model-DDM) have been exhaustively used in psychology and neuroscience to describe perceptual decision making in humans, similar approaches to complex situations, such as sequential (tree-like) decisions, are still scarce. [...]
2022 - 10.3390/e24121819
Entropy, Vol. 24, Issue 12 (December 2022) , art. 1819  
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3.
16 p, 2.0 MB Occupancy patterns in superorganisms : a spin-glass approach to ant exploration / Cristín, Javier (Universitat Autònoma de Barcelona. Departament de Física) ; Bartumeus, Frederic (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física)
Emergence of collective, as well as superorganism-like, behaviour in biological populations requires the existence of rules of communication, either direct or indirect, between organisms. Because reaching an understanding of such rules at the individual level can be often difficult, approaches carried out at higher, or effective, levels of description can represent a useful alternative. [...]
2020 - 10.1098/rsos.201250
Royal Society Open Science, Vol. 7, Issue 12 (December 2020) , art. 201250  
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4.
13 p, 351.5 KB Comb model : Non-markovian versus markovian / Iomin, Alexander (Technion - Israel Institute of Technology. Department of Physics) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Horsthemke, Werner (Southern Methodist University. Department of Chemistry)
Combs are a simple caricature of various types of natural branched structures, which belong to the category of loopless graphs and consist of a backbone and branches. We study two generalizations of comb models and present a generic method to obtain their transport properties. [...]
2019 - 10.3390/fractalfract3040054
Fractal and Fractional, Vol. 3, Issue 4 (December 2019) , art. 54  
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5.
13 p, 1.2 MB Two-particle quantum correlations in stochastically-coupled networks / León-Montiel, Roberto de Jesús (Universidad Nacional Autónoma de México. Instituto de Ciencias Nucleares) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Quiroz-Juárez, Mario A. (Universidad Nacional Autónoma de México. Instituto de Ciencias Nucleares) ; Ortega, Adrian (Universidad Nacional Autónoma de México. Instituto de Ciencias Físicas) ; Benet, Luis (Universidad Nacional Autónoma de México. Instituto de Ciencias Físicas) ; Perez-Leija, Armando (Humboldt-Universität zu Berlin. Institut für Physik. AG Theoretische Optik Photonik (Germany)) ; Busch, Kurt (Humboldt-Universität zu Berlin. Institut für Physik. AG Theoretische Optik Photonik (Germany))
Quantum walks in dynamically-disordered networks have become an invaluable tool for understanding the physics of open quantum systems. Although much work has been carried out considering networks affected by diagonal disorder, it is of fundamental importance to study the effects of fluctuating couplings. [...]
2019 - 10.1088/1367-2630/ab1c79
New journal of physics, Vol. 21, Issue 5 (May 2019) , art. 053041  
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6.
9 p, 2.7 MB General scaling in bidirectional flows of self-avoiding agents / Cristín, Javier (Universitat Autònoma de Barcelona. Departament de Física) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física)
The analysis of the classical radial distribution function of a system provides a possible procedure for uncovering interaction rules between individuals out of collective movement patterns. A formal extension of this approach has revealed recently the existence of a universal scaling in the collective spatial patterns of pedestrians, characterized by an effective potential of interaction V(τ) conveniently defined in the space of the times-to-collision τ between the individuals. [...]
2019 - 10.1038/s41598-019-54977-3
Scientific reports, Vol. 9 (December 2019) , art. 18488  
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7.
16 p, 5.0 MB Systems of Interaction between the First Sedentary Villages in the Near East Exposed Using Agent-Based Modelling of Obsidian Exchange / Ortega i Cobos, David (Universitat de Girona. Àrea de Prehistòria) ; Ibáñez Estévez, Juan José (Consejo Superior de Investigaciones Científicas (Espanya). Institución Milá y Fontanals) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Khalidi, Lamya (Centre Nationale de la Recherche Scientifique-Culture et Environnements Préhistoire (Niça, França)) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Teira, Luís (Universidad de Cantabria. Instituto Internacional de Investigaciones Prehistóricas de Cantabria)
In the Near East, nomadic hunter-gatherer societies became sedentary farmers for the first time during the transition into the Neolithic. Sedentary life presented a risk of isolation for Neolithic groups. [...]
2016 - 10.3390/systems4020018
Systems, Vol. 4 Núm. 2 (March 2016)  
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8.
9 p, 208.7 KB Traveling fronts in systems of particles with random velocities / Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Gomez Portillo, Ignacio (Universitat Autònoma de Barcelona. Departament de Física)
We explore a reaction-dispersal mechanism for the generation of wave fronts which consists of a set of particles traveling with random velocities (chosen from arbitrary distributions) which experience an autocatalytic reaction. [...]
2010 - 10.1103/PhysRevE.82.041119
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 82, Number 4 (October 2010) , p. 041119/1-041119/9  
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9.
8 p, 315.9 KB Fourier series expansion for nonlinear Hamiltonian oscillators / Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Sans, Cristina (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Llopis, Isaac (Universitat Autònoma de Barcelona. Departament de Física)
The problem of nonlinear Hamiltonian oscillators is one of the classical questions in physics. When an analytic solution is not possible, one can resort to obtaining a numerical solution or using perturbation theory around the linear problem. [...]
2010 - 10.1103/PhysRevE.81.066201
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 81, Number 6 (June 2010) , p. 066201/1-066201/8  
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10.
20 p, 1.8 MB Dynamics of one- and two-dimensional fronts in a bistable equation with time-delayed global feedback : propagation failure and control mechanisms / Boubendir, Yassine (New Jersey Institute of Technology. Department of Mathematical Sciences) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Rotstein, Horacio G. (New Jersey Institute of Technology. Department of Mathematical Sciences)
We study the evolution of fronts in a bistable equation with time-delayed global feedback in the fast reaction and slow diffusion regime. This equation generalizes the Hodgkin-Grafstein and Allen-Cahn equations. [...]
2010 - 10.1103/PhysRevE.82.036601
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 82, Number 3 (September 2010) , p. 036601/1-036601/20  
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Artículos : Encontrados 44 registros   1 - 10siguientefinal  ir al registro:
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