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    Wyświetlanie 1-6 z 6
    Tytuł:
    Packing in Orlicz sequence spaces
    Autorzy:
    Rao, M. M.
    Ren, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/1218867.pdf
    Data publikacji:
    1997
    Wydawca:
    Polska Akademia Nauk. Instytut Matematyczny PAN
    Tematy:
    packing constant
    quantitative index
    interpolation
    Opis:
    We show how one can, in a unified way, calculate the Kottman and the packing constants of the Orlicz sequence space defined by an N-function, equipped with either the gauge or Orlicz norms. The values of these constants for a class of reflexive Orlicz sequence spaces are found, using a quantitative index of N-functions and some interpolation theorems. The exposition is essentially selfcontained.
    Źródło:
    Studia Mathematica; 1997, 126, 3; 235-251
    0039-3223
    Pojawia się w:
    Studia Mathematica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    J-convexity constants
    Autorzy:
    Wang, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/255478.pdf
    Data publikacji:
    2007
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    new quantitative index
    J-convexity constants
    n-th von Neumann-Jordan constants
    Orlicz spaces
    Opis:
    We introduce the J-convexity constants on Banach spaces and give some properties of the constants. We give the relations between the J-convexity constants and the n-th von Neumann-Jordan constants. Using the quantitative indices we estimate the value of J-convexity constants in Orlicz spaces.
    Źródło:
    Opuscula Mathematica; 2007, 27, 1; 167-174
    1232-9274
    2300-6919
    Pojawia się w:
    Opuscula Mathematica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Functional traits related to environmental divergence in combination with phylogenetic relationship of Picea species
    Autorzy:
    Wang, M.
    Wang, J.
    Zhang, A.
    Zhang, X.
    Sun, S.
    Zhao, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077949.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    δ13C
    P50
    Picea
    seeva
    quantitative convergence index
    Opis:
    Background: Plants have adapted to fine-scale environmental heterogeneity through ecologically important traits, leading to new lineages. This suggests that differentiation of important traits has been beneficial to habitat partitioning among closely related species. However, the pattern of ecological divergences and differentiation of functional traits in combination with phylogenetic relationships have not been widely examined. Material and methods: To illustrate the pattern of ecological divergences of nine Picea species, spatial evolutionary and ecological vicariance analysis (seeva) was used to quantify and test the divergence between sister lineages. Five functional traits were measured in a common garden experiment. For all traits the quantitative convergence index (QVI) was determined. Furthermore, their relationships with divergent environmental variables were analyzed in the context of phylogenetic relationships. Results: Temperature variables (maximum temperature of warmest month and temperature annual range) split at basal nodes and precipitation variables (annual precipitation and precipitation of driest quarter) split at terminal nodes. Conservative traits were leaf mass per area (LMA) and net photosynthetic rate (Pn), which reflected selective retention when ancestors suffered cold environmental separation. Meanwhile, linear stomatal density (LSD), carbon-13 isotope ratio (δ13C) and water potential at 50% loss of hydraulic conductivity (P50) were convergent between species, but only P50 exhibited adaption to different precipitation conditions. The nine Picea species exhibit a distinct environmental divergence pattern. LMA and Pn were selectively retained when their ancestors were subjected to cold environmental separation. P50 was an important trait with respect to adaptation to precipitation differences. This research provided a new way of expounding the correlation between environment, functional traits and phylogeny, deepening our understanding of environmental divergence, trait differentiation and speciation.
    Źródło:
    Dendrobiology; 2018, 80; 131-142
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The EU Member States national healthcare systems compared using the single synthetic index
    Autorzy:
    Jankowiak, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1837867.pdf
    Data publikacji:
    2021-06-30
    Wydawca:
    Uniwersytet Ekonomiczny w Poznaniu
    Tematy:
    comparisons of healthcare
    healthcare systems in EU
    quantitative assessment of healthcare
    aggregated index of healthcare
    HAI index
    numerical taxonomy
    Opis:
    Implementation of health protection requires effective quantitative methods of its evaluation. Assessment could be based on usage of synthetic indices which aggregate couple input variables into a single measure. In this paper, the exploitation of a new synthetic index (by the author called HAI-the Healthcare Aggregated Index) was proposed with the aim of the assessment and long-term interstate comparisons of healthcare systems of the EU countries. Using taxonomic methodology, HAI involves three variables: the number of hospital beds, the number of physicians and the public expenditures on healthcare. HAI utilisation includes dynamic interstate comparisons of national healthcare systems of the different exploitations of human, physical and financial resources. The HAI application to assessment of twenty European Union Member States' healthcare systems revealed an effect of substitution between health care resources within the slight international diefferntiation of the health protection level and the minor dynamic of changes in time series.
    Źródło:
    Economics and Business Review; 2021, 7, 2; 37-49
    2392-1641
    Pojawia się w:
    Economics and Business Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quantitative assessment of working conditions in the workplace
    Autorzy:
    Cherniak, Olena
    Trishch, Roman
    Kim, Nataliia
    Ratajczak, Sabina
    Powiązania:
    https://bibliotekanauki.pl/articles/125578.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    quantitative assessment
    management
    shape parameter
    dependence
    overall index
    ocena ilościowa
    zarządzanie
    parametr kształtu
    zależność
    ogólny indeks
    Opis:
    Indicators, different in terms of nature and grading scales, are used to recognise hazardous and harmful factors that affect human health. However, no single methodology is available for their assessment, and the variety of qualimetric assessment methods requires in-depth research, in part on optimality and efficiency. Therefore, this work aimed to conduct several scientific studies to obtain the results of the assessment in unified units of measurement, which would provide a generalised indicator of harmful factors at the workplace. The article proposes to use dependencies to assess indicators of harmful factors, considering the maximum, minimum, and optimal values as well as the shape parameter, the change of which produces various assessments in a dimensionless scale. A hierarchy analysis method was used to obtain reliable values with a small number of experts and determine the form parameter. These efforts resulted in the value of the overall index for harmful factors, which serves as grounds for decisions regarding further improvements in working conditions. The developed methodology was used to assess the safety of working conditions at a machine-building enterprise, and the results are presented in the article.
    Źródło:
    Engineering Management in Production and Services; 2020, 12, 2; 99-106
    2543-6597
    2543-912X
    Pojawia się w:
    Engineering Management in Production and Services
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mierzalne kryteria oceny konkurencyjności rynków telekomunikacyjnych. Aspekty praktyczne
    Quantitative evaluation methods of competitiveness of the telecom - munications markets (practical aspects)
    Autorzy:
    Kwiatkowska, Ewa M.
    Powiązania:
    https://bibliotekanauki.pl/articles/508004.pdf
    Data publikacji:
    2013-12-01
    Wydawca:
    Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
    Tematy:
    kryteria ilościowe
    ocena konkurencyjności
    rynki telekomunikacyjne
    udział w rynku
    indeks Herfindahla-Hirschmana
    wskaźnik dyskretny
    quantitative criteria
    evaluation of competitiveness
    telecommunications markets
    market share
    Herfindahl-Hirschman Index
    concentration ratio
    Opis:
    Artykuł poświęcony jest ilościowym metodom oceny konkurencyjności rynków w postępowaniach regulacyjnych i antymonopolowych. Opisano w nim udział w rynku – ilościowe kryterium charakteryzujące przedsiębiorcę i rynek właściwy, na którym prowadzi on działalność. Analizie poddano także konstrukcję i wykorzystanie różnych miar koncentracji rynku obliczonych na podstawie udziałów rynkowych (wskaźnik dyskretny, indeks Herfindahla-Hirschmana i delta HHI).
    The article analyses quantitative methods of assessing the competitiveness of the telecommunications markets. The paper presents market share – quantitative criterion which describes telecom enterprise and the relevant market. Constructions and practical application of various measures of market concentration calculated on the basis of market shares (concentration ratio, the Herfindahl-Hirschman Index and HHI delta) are analysed.
    Źródło:
    internetowy Kwartalnik Antymonopolowy i Regulacyjny; 2013, 2, 8; 74-87
    2299-5749
    Pojawia się w:
    internetowy Kwartalnik Antymonopolowy i Regulacyjny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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