Applied Mathematics

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  1. Research

    Economic returns in forming stable R&D networks

    The aim of this paper is to study the individual and social benefits behind constructing stable R&D networks. We find that the equilibrium outcomes of a stable network are related to the number of competitors....

    Mohamad Alghamdi

    SpringerPlus 2016 5:1570

    Published on: 15 September 2016

  2. Research

    Engineering images designed by fractal subdivision scheme

    This paper is concerned with the modeling of engineering images by the fractal properties of 6-point binary interpolating scheme. Association between the fractal behavior of the limit curve/surface and the par...

    Ghulam Mustafa, Mehwish Bari and Saba Jamil

    SpringerPlus 2016 5:1493

    Published on: 6 September 2016

  3. Research

    A new numerical approach to solve Thomas–Fermi model of an atom using bio-inspired heuristics integrated with sequential quadratic programming

    In this study, a novel bio-inspired computing approach is developed to analyze the dynamics of nonlinear singular Thomas–Fermi equation (TFE) arising in potential and charge density models of an atom by exploi...

    Muhammad Asif Zahoor Raja, Aneela Zameer, Aziz Ullah Khan and Abdul Majid Wazwaz

    SpringerPlus 2016 5:1400

    Published on: 23 August 2016

  4. Research

    Multiperiod Maximum Loss is time unit invariant

    Time unit invariance is introduced as an additional requirement for multiperiod risk measures: for a constant portfolio under an i.i.d. risk factor process, the multiperiod risk should equal the one period ris...

    Raimund M. Kovacevic and Thomas Breuer

    SpringerPlus 2016 5:1336

    Published on: 11 August 2016

  5. Research

    (1 + u)-Constacyclic codes over Z 4 + uZ 4

    Constacyclic codes are an important class of linear codes in coding theory. Many optimal linear codes are directly derived from constacyclic codes. In this paper, (1 + u)-constacyclic codes over Z ...

    Haifeng Yu, Yu Wang and Minjia Shi

    SpringerPlus 2016 5:1325

    Published on: 11 August 2016

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