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On Nonobtuse Simplicial Partitions

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    0324117 - MÚ 2009 RIV US eng J - Journal Article
    Brandts, J. - Korotov, S. - Křížek, Michal - Šolc, J.
    On Nonobtuse Simplicial Partitions.
    [O netupoúhlých simpliciálních triangulacích.]
    SIAM Review. Roč. 51, č. 2 (2009), s. 317-335. ISSN 0036-1445. E-ISSN 1095-7200
    R&D Projects: GA ČR GA201/04/1503
    Institutional research plan: CEZ:AV0Z10190503
    Keywords : ortho-simplices * path-simplices * Delaunay triangulation
    Subject RIV: BA - General Mathematics
    Impact factor: 3.391, year: 2009

    This paper surveys some results on acute and nonobtuse simplices and associated spatial partitions. These partitions are relevant in numerical mathematics, including piecewise polynomial approximation theory and the finite element method. Special attention is paid to a basic type of nonobtuse simplices called path-simplices, the generalization of right triangles to higher dimensions. In addition to applications in numerical mathematics, we give examples of the appearance of acute and nonobtuse simplices in other areas of mathematics.

    V článku je podán přehled výsledků o ostroúhlých simpliciálních triangulacích, speciální důraz je kladen na aplikace v numerické matematice. Např. jeden tupoúhlý trojúhelník může způsobit, že neplatí diskrétní princip maxima.
    Permanent Link: http://hdl.handle.net/11104/0171899

     
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