The strengthened C.B.S. inequality constant for second order elliptic partial differential operator and for hierarchical bilinear finite element functions

Ivana Pultarová

Applications of Mathematics (2005)

  • Volume: 50, Issue: 3, page 323-329
  • ISSN: 0862-7940

Abstract

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We estimate the constant in the strengthened Cauchy-Bunyakowski-Schwarz inequality for hierarchical bilinear finite element spaces and elliptic partial differential equations with coefficients corresponding to anisotropy (orthotropy). It is shown that there is a nontrivial universal estimate, which does not depend on anisotropy. Moreover, this estimate is sharp and the same as for hierarchical linear finite element spaces.

How to cite

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Pultarová, Ivana. "The strengthened C.B.S. inequality constant for second order elliptic partial differential operator and for hierarchical bilinear finite element functions." Applications of Mathematics 50.3 (2005): 323-329. <http://eudml.org/doc/33224>.

@article{Pultarová2005,
abstract = {We estimate the constant in the strengthened Cauchy-Bunyakowski-Schwarz inequality for hierarchical bilinear finite element spaces and elliptic partial differential equations with coefficients corresponding to anisotropy (orthotropy). It is shown that there is a nontrivial universal estimate, which does not depend on anisotropy. Moreover, this estimate is sharp and the same as for hierarchical linear finite element spaces.},
author = {Pultarová, Ivana},
journal = {Applications of Mathematics},
keywords = {Cauchy-Bunyakowski-Schwarz inequality; multilevel preconditioning; elliptic partial differential equation; Cauchy-Bunyakowski-Schwarz inequality; multilevel preconditioning},
language = {eng},
number = {3},
pages = {323-329},
publisher = {Institute of Mathematics, Academy of Sciences of the Czech Republic},
title = {The strengthened C.B.S. inequality constant for second order elliptic partial differential operator and for hierarchical bilinear finite element functions},
url = {http://eudml.org/doc/33224},
volume = {50},
year = {2005},
}

TY - JOUR
AU - Pultarová, Ivana
TI - The strengthened C.B.S. inequality constant for second order elliptic partial differential operator and for hierarchical bilinear finite element functions
JO - Applications of Mathematics
PY - 2005
PB - Institute of Mathematics, Academy of Sciences of the Czech Republic
VL - 50
IS - 3
SP - 323
EP - 329
AB - We estimate the constant in the strengthened Cauchy-Bunyakowski-Schwarz inequality for hierarchical bilinear finite element spaces and elliptic partial differential equations with coefficients corresponding to anisotropy (orthotropy). It is shown that there is a nontrivial universal estimate, which does not depend on anisotropy. Moreover, this estimate is sharp and the same as for hierarchical linear finite element spaces.
LA - eng
KW - Cauchy-Bunyakowski-Schwarz inequality; multilevel preconditioning; elliptic partial differential equation; Cauchy-Bunyakowski-Schwarz inequality; multilevel preconditioning
UR - http://eudml.org/doc/33224
ER -

References

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  1. 10.1023/B:BITN.0000014564.49281.13, BIT Numerical Mathematics 43 (2003), 863–879. (2003) Zbl1049.65139MR2058872DOI10.1023/B:BITN.0000014564.49281.13
  2. Two simple derivations of universal bounds for the C.B.S.  inequality constant, Applications of Mathematics (to appear). (to appear) MR2032148
  3. 10.1002/nla.295, Numer. Linear Algebra Appl. 9 (2002), 527–550. (2002) MR1934875DOI10.1002/nla.295
  4. Finite element solution of boundary value problems: Theory and computations, Classics in Appl. Math, SIAM, Philadelphia, 2001. (2001) MR1856818
  5. The contraction number of a class of twolevel methods, an exact evaluation for some finite element subspaces and model problem, In: Multigrid Methods, Lecture Notes in Math. 960, W.  Hackbusch, U.  Trottenberg (eds.), Springer-Verlag, Berlin, 1982, pp. 535–544. (1982) 

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