1.° Aesopi fabulae, versibus elegiacis : anonymo interprete. — 2.° Magistri Joannis Faceti liber ; aliàs, inscribitur liber facetiae, sine quo nemo potest esse benè moriginatus. — 3.° Fragmentum elegiae amatoriae, cui titulus Pamphylus. — 4.° Geta, sive Amphitryon ; comoedia de amoribus Jovis et Alcmenae.

Mazarinaeus

anonymi comoedia cujus titulus est : comoedia sine nomine ; rectiùs autem appellaveris tragoediam, prosa oratione conscriptam, cujus argumentum intricatissimum è fabulis Romanensibus desumptum est.

Colbertinus

Analysis and Design of an Adaptive Polynomial Predistorter with the Loop Delay Estimator

Most adaptive linearization circuits for the nonlinear amplifier have a feedback loop that returns the output signal oj'tne eunplifier to the lineurizer. The loop delay of the linearizer most be controlled precisely so that the convergence of the linearizer should be assured lot this Letter a delay control circuit is presented. It is a delay lock loop (ULL) with it modified early-lute gate and can he easily applied to a DSP implementation. The proposed DLL circuit is applied to an adaptive linearizer with the use of a polynomial predistorter, and the simulalion for a 16-QAM signal is performed. The simulation results show that the proposed DLL eliminates the delay between the reference input signal and the delayed feedback signal of the linearizing circuit perfectly, so that the predistorter polynomial coefficients converge into the optimum value and a high degree of linearization is achieved

A generic polynomial solution for the differential equation of hypergeometric type and six sequences of orthogonal polynomials related to it

In this work, we present a generic formula for the polynomial solution families of the well-known differential equation of hypergeometric type s(x)y"n(x) + t(x)y'n(x) - lnyn(x) = 0 and show that all the three classical orthogonal polynomial families as well as three finite orthogonal polynomial families, extracted from this equation, can be identified as special cases of this derived polynomial sequence. Some general properties of this sequence are also given.

El principio nullum crimen sine iure en Derecho Internacional contemporáneo

El presente trabajo aborda la evolución y el contenido actual del principio nullum crimen sine iure en el ordenamiento jurídico internacional. Analiza su desarrollo desde su configuración—al término de la Segunda Guerra Mundial como un “principiodejusticia”—hasta su actual definición como un“derecho subjetivo individual” limitativo de la soberanía de los Estados.Explica que no debe ser un tipo específico de norma(en particular,una norma escrita con rango de ley)la que determine el carácter punible de una conducta; antes de su comisión solo exige que la misma sea constitutiva de delito conforme al sistema de fuentes previsto paralacreación del Derecho Penal en el ordenamiento jurídico nacional o internacional de que se trate.Por último,analiza cómo se configura con base en los requisitos de laaccesibilidad de la norma que recoge la conducta prohibida,y la previsibilidad de la responsabilidad penal en la que incurre su autor en el momento de ejecutarla.

Visual processing of concentric sine-wave gratings in adolescents and adults

The aim of this study was to compare the contrast visual processing of concentric sinusoidal gratings stimuli between adolescents and adults. The study included 20 volunteers divided into two groups: 10 adolescents aged 13-19 years (M=16.5, SD=1.65) and 10 adults aged 20-26 years (M=21.8, SD=2.04). In order to measure the contrast sensitivity at spatial frequencies of 0.6, 2.5, 5 and 20 degrees of visual angle (cpd), it was used the psychophysical method of two alternative forced choice (2AFC). A One Way ANOVA performance showed a significant difference in the comparison between groups: F [(4, 237)=3.74, p<.05]. The post-hoc Tukey HSD showed a significant difference between the frequencies of 0.6 (p <.05) and 20 cpd (p<.05). Thus, the results showed that the visual perception behaves differently with regard to the sensory mechanisms that render the contrast towards adolescents and adults. These results are useful to better characterize and comprehend human vision development.

Crecimiento económico y globalización : ¿condiciones sine qua non para un mayor bienestar social?

Este artículo pertenece a un monográfico sobre la Globalización

El desarrollo rural: sine qua non del desarrollo nacional (Otros Temas)

El artículo identifica sintéticamente, primero, las relaciones de poder económico y político a nivel nacional que históricamente han obstaculizado el desarrollo rural en América Latina, segundo, la importancia del desarrollo rural en relación con la persistencia de desigualdades sociales –enraizadas en el campo– que explican la falta de, o los problemas fundamentales del desarrollo nacional, tercero, algunas dimensiones internacionales de los conflictos rurales contemporáneos, y finalmente, unas sugerencias generales para la formulación de políticas alternativas a la aplicación dogmática de las recetas neoliberales.

The elliptic sine-Gordon equation in a half plane

We consider boundary value problems for the elliptic sine-Gordon equation posed in the half plane y > 0. This problem was considered in Gutshabash and Lipovskii (1994 J. Math. Sci. 68 197–201) using the classical inverse scattering transform approach. Given the limitations of this approach, the results obtained rely on a nonlinear constraint on the spectral data derived heuristically by analogy with the linearized case. We revisit the analysis of such problems using a recent generalization of the inverse scattering transform known as the Fokas method, and show that the nonlinear constraint of Gutshabash and Lipovskii (1994 J. Math. Sci. 68 197–201) is a consequence of the so-called global relation. We also show that this relation implies a stronger constraint on the spectral data, and in particular that no choice of boundary conditions can be associated with a decaying (possibly mod 2π) solution analogous to the pure soliton solutions of the usual, time-dependent sine-Gordon equation. We also briefly indicate how, in contrast to the evolutionary case, the elliptic sine-Gordon equation posed in the half plane does not admit linearisable boundary conditions.

Spectral analysis of the elliptic sine-Gordon equation in the quarter plane

We study the elliptic sine-Gordon equation in the quarter plane using a spectral transform approach. We determine the Riemann-Hilbert problem associated with well-posed boundary value problems in this domain and use it to derive a formal representation of the solution. Our analysis is based on a generalization of the usual inverse scattering transform recently introduced by Fokas for studying linear elliptic problems.