Error estimates of H
1-Galerkin mixed finite element method for Schrödinger equation |
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| Authors: | Yang Liu Hong Li Jin-feng Wang |
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| Institution: | (1) School of Mathematical Sciences, Inner Mongolia University, Huhhot, 010021, China;(2) School of Statistics and Mathematics, Inner Mongolia Finance and Economics College, Huhhot, 010051, China |
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| Abstract: | An H 1-Galerkin mixed finite element method is discussed for a class of second order Schrödinger equation. Optimal error estimates of semidiscrete schemes are derived for problems in one space dimension. At the same time, optimal error estimates are derived for fully discrete schemes. And it is showed that the H 1-Galerkin mixed finite element approximations have the same rate of convergence as in the classical mixed finite element methods without requiring the LBB consistency condition. |
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| Keywords: | H 1-Galerkin mixed finite element method Schr?dinger equation LBB condition optimal error estimates |
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