1,721,457 research outputs found
Did the Results of Promotion Exams Have a Disparate Impact on Minorities?: Using Statistical Evidence in Ricci v. DeStefano
No full textThe paper shows how to use data from the \u27reverse discrimination\u27 case Ricci v. DeStefano. --author-supplied descriptio
Non-Thermal Fusion Burning Plasma Regimes
No full textThe Ignitor project is aimed at approaching ignition conditions in
Deuterium-Tritium plasmas in order to investigate the issues related
to the kind of characteristics of these plasmas, following the line of
compact high field opened with the Alcator and Frascati Torus
programs, which were capable of producing high density plasma regimes
with record confinement properties combined with high degrees of plasma
purity.
We present a theoretical model describing the emergence of tridimensional
structures in magnetically confined plasmas which can significantly
change the conditions under which meaningful fusion burn conditions
can be reached. These structures can be said to consist of "captive
ballooning modes", that, being localized along the radial direction, do
not propagate their energy outside the plasma column.
(work in cooperation with B.Coppi , B.Basu, A.Cardinali under IGNITOR project
Thermal Energy Density Driven Magnetic Reconnection
No full textMagnetic reconnection is usually associated with conversion of magnetic energy into particle acceleration or thermal energy. However, a specific reconnection process driven by plasma pressure gradients was identified in Ref.[1] with a consistent theory of (non-ideal) MHD m0=1 modes in well confined plasmas. This process, based on an Ohm's law contribution to the electron balance equations, remains the basis for the explanation of the observed sawtooth oscillations of the central plasma pressure and for the inferred magnetic field structures due to fishbone oscillations associated with injected high energy particle populations. A novel process [2] expected to have a wide range of applications concerns magnetic reconnection sustained by a significant gradient of the longitudinal electron temperature and based on the electron thermal energy balance equation rather than on an Ohm's law
Literacy and Land inequality in italy during Fascism. a Geographic-Historical analysis
No full textThis study aims to shade light on the effects of land inequality on the growth of human capital in the Italian countryside during the 1930s. The initial hypothesis, according to which land inequality contributed to slowing down the process of schooling, was tested by means of specific spatial regression techniques. The results obtained made it possible to highlight how some specific variables of land inequality significantly influenced the literacy rate in rural Ital
Modelling of systems with a dispersed phase: “Measuring” small sets in the presence of elliptic operators
No full textWhen modelling systems with a dispersed phase involving elliptic operators, as is the case of the Stokes or Navier-Stokes problem or the heat equation in a bounded domain, the geometrical structure of the space occupied by the dispersed phase enters in the homogenization process through its capacity, a quantity which can be used to define the equivalence classes in H1. We shall review the relationship between capacity and homogenization terms in the limit when the number of inclusions becomes large, focusing in particular on the situation where the distribution of inclusions is not necessarily too regular (i.e. it is not periodic
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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