Geodesic
Algebraic multilevel preconditioner for second order finite element approximation in rectangular domains. I. Two level preconditioner
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2003), pp. 3-13

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The present paper, consisting of two parts, is devoted to constructing an algebraic multigrid preconditioner for stiffness matrices arising in second-order finite element approximation of elliptic boundary value problems. In the first part a two-level preconditioner, on the base of which the multigrid preconditioner will be constructed, is described.
Keywords: Multilevel preconditioner, stiffness matrices. 
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Yu. R. Hakopian; H. A. Hovhannisyan. Algebraic multilevel preconditioner for second order finite element approximation in rectangular domains. I. Two level preconditioner. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2003), pp. 3-13. http://geodesic.mathdoc.fr/item/UZERU_2003_1_a0/