1,720,992 research outputs found
COULCC: A continued-fraction algorithm for Coulomb functions of complex order with complex arguments
No full textTitle of program: COULCC
Catalogue Id: ACDP_v1_0
Nature of problem
The routine COULCC calculates both the oscillating and the exponentially varying Coulomb wave functions, and their radial derivatives, for complex eta(Sommerfeld parameter), ...
CORRECTION SUMMARY:
Vol:Year:Page 159:2004:241
"000A CORRECTION 20/04/04"
"COULCC: a continued-fraction algorithm for Coulomb functions of
complex order with complex arguments."
I.J. Thompson
Note: correction instructions are contained in source code
Versions of this program held in the CPC repository in Mendeley Data
ACDP_v1_0; COULCC; 10.1016/0010-4655(85)90025-6
This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019
Three-body decays of light nuclei: \chem{^6 Be}, \chem{^8 Li}, \chem{^9 Be}, \chem{^{12}O}, \chem{^{16}Ne}, and \chem{^{17}}Ne
No full textThe theoretical approach to the two-proton radioactivity and three-body
decays developed in (L.V. Grigorenko, R.C. Johnson, I.G. Mukha,
I.J. Thompson, M.V. Zhukov,
Phys. Rev. Lett. 85, 22 (2000) and to be published in Phys. Rev. C) is applied to the range of
light nuclear systems. We study nuclear structures,
widths, and momentum correlations for the decay fragments.
Strong contradictions with experiment, as well as effects
of special interest, are found in O and Ne nuclei
Modified bessel functions Iv(z) and Kv(z) of real order and complex argument, to selected accuracy
No full textTitle of program: BESSCC
Catalogue Id: ABBM_v1_0
Nature of problem
The BESSCC subroutine calculates the modified Bessel functions Imu(z) and Kmu(z) (and derivatives) for complex argument z and a sequence of real orders mu,mu+1,...,mu+n-1 for integer N >/= 1. These functions arise in the solutions of potential problems in spherical and cylindrical coordinates. They can also be used to calculate ordinary Bessels Jmu(z), Ymu(z), spherical Bessels Jmu(z), Ymu(z), Kelvin and Airy functions.
CORRECTION SUMMARY:
Vol:Year:Page 159:2004:243
"000A CORRECTION 20/04/04"
"Modified Bessel functions Imu(z) and Kmu(z) of real order and complex
argument, to selected accuracy."
I.J. Thompson
Note: correction instructions are contained in source code
Versions of this program held in the CPC repository in Mendeley Data
ABBM_v1_0; BESSCC; 10.1016/0010-4655(87)90111-1
This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019
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
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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