Superconvergence of the gradient in piecewise linear finite-element approximation to a parabolic problem

  • Authors:
  • Vidar Thoméem;Jin-Chao Xu;Nai-Ying Zhang

  • Affiliations:
  • Univ. of Go¨teborg, Go¨teborg, Sweden;Cornell Univ., Ithaca, NY;Univ. of Go¨teborg, Go¨teborg, Sweden

  • Venue:
  • SIAM Journal on Numerical Analysis
  • Year:
  • 1989

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Abstract