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48,740 research outcomes, page 1 of 4,874
  • publication . Article . Preprint . 2021
    Open Access English
    Authors:
    Ilinka Dimitrova; Jörg Koppitz;

    UDC 512.5 We determine the relative rank of the semigroup ${\scr T }(X,Y)$ of all transformations on a finite chain $X$ with restricted range $Y\subseteq X$ modulo the set ${\scr OP }(X,Y)$ of all orientation-preserving transformations in ${\scr T }(X,Y).$ Moreover, we ...

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  • publication . Article . 2020
    Open Access English
    Authors:
    Tatyana M. Betova; Radoslav G. Trifonov; Savelina L. Popovska; Ivan N. Ivanov; Sergey D. Kostadinov;
    Persistent Identifiers
    Publisher: Balkan Medical Union
    Country: Bulgaria

    Introduction. Invasive apocrine carcinoma of the breast is a rare special subtype of mammary carcinoma and accounts for 0.3-1% of all breast malignancies. It has specific histological, immunohistochemical, and molecular genetic characteristics. The tumour cells have a u...

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  • publication . Article . 2007
    Open Access
    Authors:
    Iv. Andreeff; G. Dimoff; St. Metschkarski;
    Persistent Identifiers
    Publisher: Medical Journals Sweden AB
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  • publication . Article . 2006
    Open Access
    Authors:
    M.I. Borisov; D.V. Stojanov; V.V. Velkov; J.I. Burov;
    Persistent Identifiers
    Publisher: Institution of Engineering and Technology (IET)

    The field-effect transistor is used for a linear control of the acoustic radiation of single-electrode section of the surface-wave transducer. The electrically controlled surface-wave filters and delay lines, the characteristics of which may be specified by a set of con...

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  • publication . Article . 2003
    Open Access
    Authors:
    Daniel A. Reed;
    Persistent Identifiers
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The correlation, combination, and statistical analysis of large data volumes derived from multiple sources depend on joining a new generation of high-resolution scientific instruments, high-performance computing systems, and large-scale scientific data archives via high...

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  • publication . Article . Preprint . 2015
    Open Access English
    Authors:
    Victor Atanasov; Rossen Dandoloff;
    Persistent Identifiers

    The geometry of the rotating disk is revisited and the quantum consequences are discussed in view of the appearence of the geometric potential in the quantum problem on the rotating disk. A suggestion to detect the presence of the Gaussian curvature on the rotating disk...

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  • publication . Article . 2007
    Open Access English
    Authors:
    Ivaylo Atanasov; Evelina Pencheva;
    Persistent Identifiers
    Publisher: Trobe University, Melbourne

    The paper presents a new mark-up approach to service creation in Next Generation Networks. The approach allows access to network functions exposed by open application programming interfaces. Based on ontology analysis of the application domain, language constructions ar...

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  • publication . Article . 2002
    Open Access
    Authors:
    M. Acciarri; O. Adriani; M. Aguilar-Benitez; J. Alcaraz; G. Alemanni; M. G. Alviggi; G. Ambrosi; H. Anderhub; A. Arefiev; R. Barillère; ...
    Persistent Identifiers
    Publisher: Elsevier BV

    Abstract A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies s = 161 GeV and s 172 GeV with the L3 detector at LEP. No evidence for their existence was found. We exclude unstable ne...

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  • publication . Article . 2017
    Open Access
    Authors:
    Anna Georgieva; Maria Valkanova;
    Persistent Identifiers
    Publisher: Medical University Prof. Dr. Paraskev Stoyanov - Varna

    INTRODUCTION : The study on the need to obtain written informed consent for invasive nursing procedures has important scientific and practical importance in meeting the patients‘ rights and achieving professional nursing security. AIM : To examine the need to obtain w...

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  • publication . 2006
    Open Access English
    Authors:
    Abdelkefi, Chokri; Sifi, Mohamed;
    Persistent Identifiers
    Publisher: Institute of Mathematics and Informatics Bulgarian Academy of Sciences
    Country: Bulgaria

    2000 Mathematics Subject Classification: 44A15, 44A35, 46E30 In this paper we prove that the partial Dunkl integral ST(f) of f converges to f, as T → +∞ in L^∞(νµ) and we show that the Dunkl transform Fµ(f) of f is in L^1(νµ) when f belongs to a suitable Besov-Dunkl spa...

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48,740 research outcomes, page 1 of 4,874