Repositorio IPICyT: Recent submissions
Now showing items 1721-1740 of 2297
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Aristotle: the first encyclopedist
(2002)"Aristotle was the first to declare himself in the class of natural philosophers (physiologoi) and he was the first physicist because he spelled out the first definitions of some basic physical concepts. Moreover, he was ... -
Reply to the comment by Axel Schulze-Halberg
(2013)"Reply to Comment on H.C. Rosu, O. Cornejo-Perez and P. Chen, \Nonsingular parametric oscillators Darboux related to the classical harmonic oscillator by A. Schulze-Halberg" -
Mutually unbiased phase states, phase uncertainties, and Gauss sums
(2005)"Mutually unbiased bases (MUBs), which are such that the inner product between two vectors in different orthogonal bases is a constant equal to 1/d?, with d the dimension of the finite Hilbert space, are becoming more and ... -
Multifractal properties of elementary cellular automata in a discrete wavelet approach of MF-DFA
(2009)"In 2005, Nagler and Claussen (Phys. Rev. E 71, 067103 (2005)) investigated the time series of the elementary cellular automata (ECA) for possible (multi)fractal behavior. They eliminated the polynomial background atb ... -
Set-reset flip-flop circuit with a simple output logic
(2012)"The equation of the plane (EOP) in analytic geometry is used to build a logic dynamic architecture, i.e., a combination of set-reset flip-flop (SR-FF) and basic logic gates. This is achieved by using two of the variables ... -
Nonsingular parametric oscillators Darboux-related to the classical harmonic oscillator
(2012)"Interesting nonsingular parametric oscillators which are Darboux related to the classical harmonic oscillator and have periodic dissipative/gain features are identi?ed through a modi?ed factorization method. The same ... -
La codificación de los quipus incas
(2007) -
PI-controlled bioreactor as a generalized Liénard system
(Elsevier, 2007)"It is shown that periodic orbits can emerge in Cholette’s bioreactor model working under the influence of a PI-controller. We find a diffeomorphic coordinate trans-formation that turns this controlled enzymatic reaction ... -
A simple electronic circuit realization of the tent map
(2009)"We present a very simple electronic implementation of the tent map, one of the best-known discrete dynamical systems. This is achieved by using integrated circuits and passive elements only. The experimental behavior of ... -
Solutions of the perturbed KdV equation for convecting fluids by factorizations
(2010)"In this paper, we obtain some new explicit travelling wave solutions of the perturbed KdV equation through recent factorization techniques that can be performed when the coefficients of the equation fulfill a certain ... -
Words for nobel prizes
(2003)"We present the statistics of the significant nouns and adjectives of social impact figuring in the nominations of the Nobel prizes in Physics and Chemistry over the period of the awards from 1901 to 2001." -
Online monitoring of Mezcal fermentation based on redox potential measurements
(2009)"We describe an algorithm for the continuous monitoring of the biomass and ethanol concentrations as well as the growth rate in the Mezcal fermentation process. The algorithm performs its task having available only the ... -
Reconfigurable dynamical logic gate with linear core
(2013)"A dynamically reconfigurable linear core logic gate is a device that allows logical outputs dependent upon configurable parameters set within device. The device is comprised of three blocks: The first block receives at ... -
Efecto talbot unidimensional y bidimensional
(2014)"En este trabajo se muestran los resultados de los experimentos realizados en el verano del 2014 en el IPICYT, para corroborar la existencia del efecto Talbot el cual consiste en la reaparición de una imagen nítida de un ... -
Shifted riccati procedure: application to conformal barotropic FRW cosmologies
(2011)"In the case of barotropic FRW cosmologies, the Hubble parameter in conformal time is the solution of a simple Riccati equation of constant coefficients. We consider these cosmologies in the framework of nonrelativistic ... -
Additive and multiplicative noises acting simultaneously on Ermakov-Ray-Reid systems
(2016)"We investigate numerically the effect of additive and multiplicative noises on parametric oscillator systems of Ermakov-Ray-Reid type when both noises act simultaneously. We find that the main perturbation effects on the ... -
Nonlinear and robust control strategy based on chemotherapy to minimize the HIV concentration in blood plasma
(2016)"A nonlinear PI-type control strategy is designed in order to minimize the HIV concentration in blood plasma, via medical drug injection, under the framework of bounded uncertain input disturbances. For control design it ... -
On the dynamic behaviour of a class of bioreactor with non-conventional yield coefficient form
(2015-04)"The goal of this work is to analyze by numerical bifurcation the dynamical behavior of a class of continuous bioreactor used to hydrolyze cellulose using Cellulomonas cellulans, talcing into account the effect of mo deling ... -
Steady state equivalence among autocatalytic peroxidase-oxidase reactions
(2016-12)"Peroxidase-oxidase is an enzymatic reaction that can exhibit dynamical scenarios such as bistability, sustained oscillations, and Shilnikov chaos. In this work, we apply the chemical reaction network theory approach to ... -
Analysis of a model for the morphological structure of renal arterial tree: fractal structure
(Hindawi, 2013)"One of the fields of applied mathematics is related to model analysis. Biomedical systems are suitable candidates for this field because of their importance in life sciences including therapeutics. Here we deal with the ...