Search results for "Classical"
showing 10 items of 2294 documents
Biopolitics in the Political Thought of Classical Greece
2016
This article deals with biopolitics in classical Greek thought. Its aim is to demonstrate that biopolitics is not a distinctively modern phenomenon. It is as old a phenomenon as western political thought itself. Focusing on Aristotle’s Politics as well as Plato’s Republic and Laws, I argue that the politico-philosophical categories of classical thought were already biopolitical categories. In their books on politics, Plato and Aristotle do not only deal with all the central topics of biopolitics (sexual intercourse, marriage, pregnancy, childcare, public health, education, population, and so forth) from the political point of view but for them these topics are the very keystone of politics …
Computing with Rational Symmetric Functions and Applications to Invariant Theory and PI-algebras
2012
The research of the first named author was partially supported by INdAM. The research of the second, third, and fourth named authors was partially supported by Grant for Bilateral Scientific Cooperation between Bulgaria and Ukraine. The research of the fifth named author was partially supported by NSF Grant DMS-1016086.
Noise influence on electron dynamics in semiconductors driven by a periodic electric field
2008
Studies about the constructive aspects of noise and fluctuations in different non-linear systems have shown that the addition of external noise to systems with an intrinsic noise may result in a less noisy response. Recently, the possibility to reduce the diffusion noise in semiconductor bulk materials by adding a random fluctuating contribution to the driving static electric field has been tested. The present work extends the previous theories by considering the noise-induced effects on the electron transport dynamics in low-doped n-type GaAs samples driven by a high-frequency periodic electric field (cyclostationary conditions). By means of Monte Carlo simulations, we calculate the change…
Signatures of physical constraints in rotating rigid bodies
2023
We study signatures of physical constraints on free rotations of rigid bodies. We show analytically that the physical or non-physical nature of the moments of inertia of a system can be detected by qualitative changes both in the Montgomery Phase and in the Tennis Racket Effect.
El mito de Icario en la General estoria de Alfonso X
2013
This article studies the myth of Icarus as it is translated in the first part of Alfonso X's General estoria. Its analysis highlights aspects that are usually found in the mythographical episodes of the Alfonsine estoria, particularly linked with its possible sources and its internal characteristics. The latter ones are defined by the anonymity of the quote and an evident moral intention. Regarding the sources, if it is known that the mythography gets to the Alfonsine text through two paths, the gloss in the manuscripts and a mythographical work, the exact source or sources used by Alfonsine historians are still unidentified. I have begun searching where the elements that are found in no pr…
Flaring activity on the disk of Classical T Tauri Stars: effects on disk stability
2018
Classical T Tauri Stars (CTTSs) are young stellar objects surrounded by a circumstellar disk with which they exchange mass and angular momentum through accretion. Despite this process is a crucial aspect of star formation, some issues are still not clear; in particular how the material loses angular momentum and falls into the star. CTTSs are also characterized by strong X-ray emission. Part of this X-ray emission comes from the heated plasma in the external regions of the stellar corona with temperature between 1 and 100 MK. The plasma heating is presumably due to the strong magnetic field (Feigelson and Montmerle, 1999) in the form of high energetic flares in proximity of the stellar surf…
Orazio, la Fortuna, l’unicorno: lettura di CB 93a
2017
Questa nota presenta l’analisi di CB 93a (Cum Fortuna voluit me vivere beatum), un breve componimento poetico che risulta fondato su una tematica ben presente in molte liriche classiche e medievali: il lamento per l’arrivo della vecchiaia che, di conseguenza, esclude l’attività amorosa. Il componimento, quanto a immagini e motivi, risulta affine a Orazio, carm. III 26 (Vixi puellis nuper idoneus). Il poeta medievale aggiunge, di suo, alcuni temi simbolici e cristiani, quali la figura dell’unicorno e la separazione del grano dalla paglia (Mt. 3, 12), particolarmente appropriati per il sec. XIII e nella prospettiva della salvezza. This paper offers the analysis of Carmina Burana (CB) 93a (Cum…
The Role of the Classical Pathway for the Bactericidal Effect of Normal Sera Against Gram-Negative Bacteria
1985
Many gram-negative bacteria are killed after treatment with normal serum. This phenomenon was already described in 1889 by Buchner. The serum-bactericidal effect is abolished when serum has been incubated for 30 min at 56° C. Gram-positive bacteria are less sensitive than gram-negative bacteria to direct killing, although gram-positive cocci are opsonized by the action of serum mediated by antibodies and complement (Inoue et al. 1968; Johnston et al. 1969). Normal sera exhibit bactericidal and bacteriolytic properties against some gramnegative strains; whereas, other gram-negative strains are serum resistant. It has been shown that serum from C4-deficient guinea pigs is able to kill some gr…
Interaction of Bacterial Endotoxin (LPS) with Fluid Phase and Macrophage Membrane Associated C1q, the FC-Recognizing Component of the Complement Syst…
1990
The bactericidal activity of normal serum was first described by Buchner in 1889 (10). This effect is abolished when serum has been incubated for 30 min at 56°C. Gram positives are less sensitive than Gram negative bacteria to direct killing, although gram positive cocci are opsonized by the action of serum mediated by antibodies and complement (22). It was found that most of the smooth strains of gram negative bacteria are serum resistant; whereas, the corresponding rough forms are extremely serum sensitive (32, 37). Thus evidence was provided that the composition of the bacterial surface may influence the reaction of the bacteria with the lytic system. The bacteriolytic properties of seru…