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  • 1
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    Hindawi
    Publication Date: 2013-06-27
    Description: The paper investigates the risk factors for the severity of orthodontic root resorption. The multidimensional scaling (MDS) visualization method is used to investigate the experimental data from patients who received orthodontic treatment at the Department of Orthodontics and Dentofacial Orthopedics, Faculty of Dentistry, “Carol Davila” University of Medicine and Pharmacy, during a period of 4 years. The clusters emerging in the MDS plots reveal features and properties not easily captured by classical statistical tools. The results support the adoption of MDS for tackling the dentistry information and overcoming noise embedded into the data. The method introduced in this paper is rapid, efficient, and very useful for treating the risk factors for the severity of orthodontic root resorption.
    Print ISSN: 1024-123X
    Electronic ISSN: 1563-5147
    Topics: Mathematics , Technology
    Published by Hindawi
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  • 2
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    Bucharest: The Bucharest University of Economic Studies
    Publication Date: 2017-09-30
    Description: The article identifies the extent to which the most valuable Romanian companies practice corporate social responsibility (CSR) and its beneficiaries. It describes the main areas of action and specific instruments of intervention. The data analysed cover the top 100 Romanian companies, as ranked by Ziarul Financiar. The corporate website of each company was analysed and subsequently codified on multiple variables. The results outline the fact that firms engage in CSR activities to a relatively high extent (49% of the companies). They adopt a vision of corporate social responsibility exclusively centred on the firm and the competitive advantages that derive from CSR activity. The wider community is represented as the primary stakeholder and beneficiary, whilst those stakeholders thought to influence the profit-making goals to a lesser extent are more often than not overlooked. Finally, companies prefer inexpensive intervention instruments and prove weak coordination with others social and political actors.
    Keywords: M14 ; O16 ; D01 ; D03 ; ddc:330 ; corporate social responsibility ; top 100 Romanian companies ; corporate social responsibility annual reports ; stakeholders
    Language: English
    Type: doc-type:article
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  • 3
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    SpringerOpen
    Publication Date: 2014-11-01
    Description: In this manuscript we investigate the existence of the fractional finite difference equation (FFDE) Δμ−2μx(t)=g(t+μ−1,x(t+μ−1),Δx(t+μ−1)) via the boundary condition x(μ−2)=0 and the sum boundary condition x(μ+b+1)=∑k=μ−1αx(k) for order 1
    Print ISSN: 1687-1839
    Electronic ISSN: 1687-1847
    Topics: Mathematics
    Published by SpringerOpen
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  • 4
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    MDPI Publishing
    In: Entropy
    Publication Date: 2014-11-29
    Description: In this paper, based on fixed entropy, the adiabatic equation of state in fractal flow is discussed. The local fractional wave equation for the velocity potential is also obtained by using the non-differential perturbations for the pressure and density of fractal hydrodynamics.
    Electronic ISSN: 1099-4300
    Topics: Chemistry and Pharmacology , Physics
    Published by MDPI Publishing
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  • 5
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    Hindawi
    Publication Date: 2014-03-24
    Print ISSN: 1024-123X
    Electronic ISSN: 1563-5147
    Topics: Mathematics , Technology
    Published by Hindawi
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  • 6
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    Hindawi
    Publication Date: 2014-03-31
    Description: Fuzzy and fractional differential equations are used to model problems with uncertainty and memory. Using the fractional fuzzy Laplace transformation we have solved the fuzzy fractional eigenvalue differential equation. By illustrative examples we have shown the results.
    Print ISSN: 1687-9120
    Electronic ISSN: 1687-9139
    Topics: Mathematics , Physics
    Published by Hindawi
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  • 7
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    Hindawi
    Publication Date: 2014-04-17
    Description: From the local fractional calculus viewpoint, Poisson and Laplace equations were presented in this paper. Their applications to the electrostatics in fractal media are discussed and their local forms in the Cantor-type cylindrical coordinates are also obtained.
    Print ISSN: 1687-9120
    Electronic ISSN: 1687-9139
    Topics: Mathematics , Physics
    Published by Hindawi
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  • 8
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    Hindawi
    Publication Date: 2013-05-26
    Description: We discuss the existence of solutions for a class of some separated boundary differential inclusions of fractional orders involving the Caputo derivative. In order to obtain necessary conditions for the existence result, we apply the fixed point technique, fractional calculus, and multivalued analysis.
    Print ISSN: 1687-9120
    Electronic ISSN: 1687-9139
    Topics: Mathematics , Physics
    Published by Hindawi
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  • 9
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    Hindawi
    Publication Date: 2013-11-27
    Print ISSN: 1687-9120
    Electronic ISSN: 1687-9139
    Topics: Mathematics , Physics
    Published by Hindawi
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  • 10
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    Hindawi
    Publication Date: 2013-11-27
    Description: The discrete wavelet transform via local fractional operators is structured and applied to process the signals on Cantor sets. An illustrative example of the local fractional discrete wavelet transform is given.
    Print ISSN: 1024-123X
    Electronic ISSN: 1563-5147
    Topics: Mathematics , Technology
    Published by Hindawi
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