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On Linear Spline Wavelets with Shifted Supports

  • Svetlana Makarova
  • Anton MakarovEmail author
Conference paper
  • 11 Downloads
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11974)

Abstract

We examine Faber’s type decompositions for spaces of linear minimal splines constructed on nonuniform grids on a segment. A characteristic feature of the Faber decomposition is that the basis wavelets are centered around the knots that do not belong to the coarse grid. The construction of the lazy wavelets begins with the use of the basis functions in refined spline space centered at the odd knots. We propose to use as wavelets the functions centered at the even knots under some conditions. In contrast to lazy wavelets, in this case the decomposition system of equations has a unique solution, which can be found by the sweep method with the guarantee of well-posedness and stability.

Keywords

Minimal splines B-spline Wavelets Nonuniform grid 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.St. Petersburg State University of Aerospace InstrumentationSt. PetersburgRussia
  2. 2.St. Petersburg State UniversitySt. PetersburgRussia

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