Lotka"s scientific productivity law - перевод на Английский
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Lotka"s scientific productivity law - перевод на Английский

Lotka law; Lotka curve; Lotka s law
  • Graphical plot of the Lotka function described in the text, with C=1, n=2

Lotka's scientific productivity law      
(n.) = ley de productividad científica de Lotka
Ex: This article presents the 3 empirical "classical" laws of information science and emphasises their significance: Bradford's distribution law; Lotka's scientific productivity law; and Zipf's word frequency law.
labour productivity         
  • Productivity and Compensation Growth in the United States, 1948–2016
AMOUNT OF GOODS AND SERVICES THAT A GROUP OF WORKERS PRODUCE IN A GIVEN PERIOD OF TIME
Labor productivity; Work productivity; Labour productivity
(n.) = productividad laboral
Ex: Overall labor productivity in the country will continue to grow if the very best companies continue to stay ahead of the pack.
laws of physics         
STATEMENT BASED ON REPEATED EXPERIMENTAL OBSERVATIONS THAT DESCRIBES SOME ASPECTS OF THE UNIVERSE
Laws of physics; Law of physics; Physical law; Laws of science; List of laws in Science; Laws of Physics; Physical laws; List of scientific laws; Laws of the universe; Empirical law; List of laws in science; List of laws of science; Law (science); Law of science; Scientific Law; Scientific laws; Law of nature (science); Scientific principle; Mathematical descriptions of physical laws; User:Maschen/Mathematical descriptions of physical laws; Empirical laws
las leyes físicas

Определение

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Википедия

Lotka's law

Lotka's law, named after Alfred J. Lotka, is one of a variety of special applications of Zipf's law. It describes the frequency of publication by authors in any given field. It states that the number of authors making x {\displaystyle x} contributions in a given period is a fraction of the number making a single contribution, following the formula 1 / x a {\displaystyle 1/x^{a}} where a {\displaystyle a} nearly always equals two, i.e., an approximate inverse-square law, where the number of authors publishing a certain number of articles is a fixed ratio to the number of authors publishing a single article. As the number of articles published increases, authors producing that many publications become less frequent. There are 1/4 as many authors publishing two articles within a specified time period as there are single-publication authors, 1/9 as many publishing three articles, 1/16 as many publishing four articles, etc. Though the law itself covers many disciplines, the actual ratios involved (as a function of 'a') are discipline-specific.

The general formula says:

X n Y = C {\displaystyle X^{n}Y=C}

or

Y = C / X n , {\displaystyle Y=C/X^{n},\,}

where X is the number of publications, Y the relative frequency of authors with X publications, and n and C {\displaystyle C} are constants depending on the specific field ( n