Search Results - "Romaniuk, Maciej"

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  1. 1

    Bootstrapped Tests for Epistemic Fuzzy Data by Grzegorzewski, Przemysław, Romaniuk, Maciej

    “…Epistemic bootstrap is a resampling algorithm that generates bootstrap real-valued samples based on some epistemic fuzzy data input. We apply this method as a…”
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  2. 2

    Flexible resampling for fuzzy data by Grzegorzewski, Przemyslaw, Hryniewicz, Olgierd, Romaniuk, Maciej

    “…In this paper, a new methodology for simulating bootstrap samples of fuzzy numbers is proposed. Unlike the classical bootstrap, it allows enriching a…”
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  3. 3

    Bootstrap Methods for Epistemic Fuzzy Data by Grzegorzewski, Przemysław, Romaniuk, Maciej

    “…Fuzzy numbers are often used for modeling imprecise perceptions of the real-valued observations. Such epistemic fuzzy data may cause problems in statistical…”
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  4. 4

    Flexible Bootstrap for Fuzzy Data Based on the Canonical Representation by Grzegorzewski, Przemyslaw, Hryniewicz, Olgierd, Romaniuk, Maciej

    “…Several new resampling methods for generating bootstrap samples of fuzzy numbers are proposed. To avoid undesired repetitions in the secondary samples we do…”
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  5. 5

    Discrete and Smoothed Resampling Methods for Interval-Valued Fuzzy Numbers by Romaniuk, Maciej, Hryniewicz, Olgierd

    Published in IEEE transactions on fuzzy systems (01-03-2021)
    “…In this article, we propose two new resampling algorithms for the simulation of bootstrap-like samples of interval-valued fuzzy numbers (IVFNs). These methods…”
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  6. 6

    Interval-based, nonparametric approach for resampling of fuzzy numbers by Romaniuk, Maciej, Hryniewicz, Olgierd

    Published in Soft computing (Berlin, Germany) (01-07-2019)
    “…In this paper, we propose two new nonparametric resampling methods for the simulation of bootstrap-like samples of fuzzy numbers. The generated secondary…”
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  7. 7

    Application of Levy processes and Esscher transformed martingale measures for option pricing in fuzzy framework by Nowak, Piotr, Romaniuk, Maciej

    “…In this paper we consider the European option valuation problem. We assume that the underlying asset follows a geometric Levy process. The log-price is a sum…”
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  8. 8

    Catastrophe bond pricing for the two-factor Vasicek interest rate model with automatized fuzzy decision making by Nowak, Piotr, Romaniuk, Maciej

    Published in Soft computing (Berlin, Germany) (01-05-2017)
    “…Catastrophe bonds are financial instruments, which enable to transfer the natural catastrophe risk to financial markets. This paper is a continuation of our…”
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  9. 9

    Valuing catastrophe bonds involving correlation and CIR interest rate model by Nowak, Piotr, Romaniuk, Maciej

    Published in Computational & applied mathematics (01-03-2018)
    “…Natural catastrophes lead to problems of insurance and reinsurance industry. Classic insurance mechanisms are often inadequate for dealing with consequences of…”
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  10. 10

    Estimation of maintenance costs of a pipeline for a U-shaped hazard rate function in the imprecise setting by Romaniuk, Maciej, Hryniewicz, Olgierd

    Published in Eksploatacja i niezawodność (01-01-2020)
    “…In this paper, we discuss imprecise settings for an evaluation of the maintenance costs of a water distribution system (WDS). Moments of failures of pipes are…”
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  11. 11

    Statistical simulations with LR random fuzzy numbers by Parchami, Abbas, Grzegorzewski, Przemyslaw, Romaniuk, Maciej

    Published in Statistical papers (Berlin, Germany) (01-08-2024)
    “…Computer simulations are a powerful tool in many fields of research. This also applies to the broadly understood analysis of experimental data, which are…”
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  12. 12

    Computing option price for Levy process with fuzzy parameters by Nowak, Piotr, Romaniuk, Maciej

    Published in European journal of operational research (16-02-2010)
    “…In the following paper we propose the method for option pricing based on application of stochastic analysis and theory of fuzzy numbers. The process of…”
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  13. 13

    Optimization of maintenance costs of a pipeline for a V-shaped hazard rate of malfunction intensities by Romaniuk, M.

    Published in Eksploatacja i niezawodność (01-01-2018)
    “…In this paper I focus on an evaluation of maintenance costs of a water distribution system (WDS), if a concept of a value of money in time is taken into…”
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  14. 14

    Pricing and simulations of catastrophe bonds by Nowak, Piotr, Romaniuk, Maciej

    Published in Insurance, mathematics & economics (01-01-2013)
    “…The increasing number of natural catastrophes like floods, hurricanes, and earthquakes not only causes many victims, but also leads to severe production,…”
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  15. 15

    Improving Insurance Catastrophic Data with Resampling and GAN Methods by Dzadz, Norbert, Romaniuk, Maciej

    Published 21-10-2024
    “…The precise and large dataset concerning catastrophic events is very important for insurers. To improve the quality of such data three methods based on the…”
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  16. 16

    Rehabilitation in scoliosis - an overview of the most important procedures by Jakub Husejko, Aneta Karło, Paula Piątkowska, Mateusz Porada, Marlena Kontowicz, Zuzanna Leśniak, Bogusz Olszewski, Magdalena Łabędź, Maciej Romaniuk, Kornelia Kędziora-Kornatowska

    Published in Journal of education, health and sport (01-07-2019)
    “…Introduction: Scoliosis is defined as deformation of the spine and torso in three dimensions. Study show that scoliosis affects 68% of healthy individuals over…”
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  17. 17

    Sciatica - radiating pain affecting an increasing part of society by Marlena Kontowicz, Jakub Piotr Husejko, Mateusz Porada, Aneta Karło, Wiktor Bursiewicz, Hubert Lange, Adrian Zwolinski, Agnieszka Nawrocka, Magdalena Łabędź, Maciej Romaniuk, Daria Zaborna, Monika Prylińska, Kornelia Kędziora-Kornatowska

    Published in Journal of education, health and sport (01-07-2019)
    “…Introduction: Sciatica is a current and more common problem affecting normal functioning. Along with the development of civilization, the lifestyle has also…”
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    Journal Article
  18. 18

    Rehabilitation in scoliosis - an overview of the most important procedures by Jakub Husejko, Aneta Karło, Paula Piątkowska, Mateusz Porada, Marlena Kontowicz, Zuzanna Leśniak, Bogusz Olszewski, Magdalena Łabędź, Maciej Romaniuk, Kornelia Kędziora-Kornatowska

    Published in Journal of education, health and sport (01-07-2019)
    “…Introduction: Scoliosis is defined as deformation of the spine and torso in three dimensions. Study show that scoliosis affects 68% of healthy individuals over…”
    Get full text
    Journal Article
  19. 19

    Sciatica - radiating pain affecting an increasing part of society by Marlena Kontowicz, Jakub Piotr Husejko, Mateusz Porada, Aneta Karło, Wiktor Bursiewicz, Hubert Lange, Adrian Zwolinski, Agnieszka Nawrocka, Magdalena Łabędź, Maciej Romaniuk, Daria Zaborna, Monika Prylińska, Kornelia Kędziora-Kornatowska

    Published in Journal of education, health and sport (01-07-2019)
    “…Introduction: Sciatica is a current and more common problem affecting normal functioning. Along with the development of civilization, the lifestyle has also…”
    Get full text
    Journal Article