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Listar por palabra clave "Complex systems"

Mostrando ítems 1-10 de 10

Análisis Fractal del Control Autonómico del Ritmo Cardiaco durante Oclusión Coronaria

Gomis, Pedro; Caminal, Pere; Vallverdú, Montserrat; Wagner, G. (Universitat Politècnica de València, 2010-01-07)

[ES] El sistema nervioso autónomo a través de sus ramas simpática (de excitación) y parasimpática (de inhibición) regula numerosas variables fisiológicas entre las que se encuentra el ritmo cardiaco. En este trabajo se ...
Detección de comunidades en redes complejas

Aldecoa García, Rodrigo (Universitat Politècnica de València, 2013-09-02)

El uso de las redes para modelar sistemas complejos es creciente en multitud de ambitos. Son extremadamente utiles para representar interacciones entre genes, relaciones sociales, intercambio de informaci on en Internet ...
Detección precoz de señales marcadoras de transiciones de estado sano a enfermo durante la infección de Nicotiana tabacum con el virus del grabado del tabaco

Tarazona Sánchez, Adrián (Universitat Politècnica de València, 2019-10-01)

[EN] In recent years the study of complex biological systems has changed in a radical way. This change has been promoted by two important breakthroughs. On the one hand, advances in high-throughput molecular biology that ...
Diffusion Through a Network of Compartments Separated by Partially-Transmitting Boundaries

Muñoz-Gil, Gorka; Garcia March, Miguel Angel; Manzo, Carlo; Celi, Alessio; Lewenstein, Maciej (Frontiers Media, 2019-03-18)

[EN] We study the random walk of a particle in a compartmentalized environment, as realized in biological samples or solid state compounds. Each compartment is characterized by its length L and the boundaries transmittance ...
Does the type of event influence how user interactions evolve on Twitter?

Del Val Noguera, Elena; Rebollo Pedruelo, Miguel; Botti Navarro, Vicente Juan (Public Library of Science, 2015-05-11)

The number of people using on-line social networks as a new way of communication is continually increasing. The messages that a user writes in these networks and his/her interactions with other users leave a digital trace ...
Dynamics of alternative modes of RNA replication for positive-sense RNA viruses

Sardanyes Cayuela, Jose; Martinez, Fernando; Daros Arnau, Jose Antonio; Elena Fito, Santiago Fco (Royal Society, The, 2012-04-07)

[EN] We propose and study nonlinear mathematical models describing the intracellular time dynamics of viral RNA accumulation for positive-sense single-stranded RNA viruses. Our models consider different replication modes ...
Fractional vs. ordinary control systems: What does the fractional derivative provide?

Conejero, J. Alberto; Franceschi, Jonathan; Picó-Marco, Enric (MDPI AG, 2022-08)

[EN] The concept of a fractional derivative is not at all intuitive, starting with not having a clear geometrical interpretation. Many different definitions have appeared, to the point that the need for order has arisen ...
Managing expert knowledge in water network expansion project implementation

Anchieta, Thomaz F. de F.; Santos, Saulo A. R.; Brentan, Bruno M.; Carpitella, Silvia; Izquierdo Sebastián, Joaquín (Elsevier, 2021-09-29)

[EN] The implementation of expansion projects of water networks supplying growing cities is deemed to be a complex decision-making problem involving both technical aspects and expert knowledge. Management and control ...
Noise-induced bistability in the quasi-neutral coexistence of viral RNAs under different replication modes

Sardanyes, J.; Arderiu, A.; ELENA FITO, SANTIAGO FCO; Alarcon, T. (The Royal Society, 2018-05)

[EN] Evolutionary and dynamical investigations into real viral populations indicate that RNA replication can range between the two extremes represented by so-called 'stamping machine replication' (SMR) and 'geometric ...
Simulating the Influence of Conjugative-Plasmid Kinetic Values on the Multilevel Dynamics of Antimicrobial Resistance in a Membrane Computing Model

Campos Frances, Marcelino; San Millan, Alvaro; Sempere Luna, José María; Lanza, Val F.; Coque, Teresa M.; Llorens, Carlos; Baquero, Fernando (American Society for Microbiology, 2020-08)

[EN] Bacterial plasmids harboring antibiotic resistance genes are critical in the spread of antibiotic resistance. It is known that plasmids differ in their kinetic values, i.e., conjugation rate, segregation rate by copy ...