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The optimal order error estimates for both the original variable<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mrow><mml:mi>u<\/mml:mi><\/mml:mrow><\/mml:math>and the auxiliary variable<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mrow><mml:mi>\u03c3<\/mml:mi><\/mml:mrow><\/mml:math>with respect to the space are obtained by employing some typical characters of the interpolation operator instead of the mixed (or expanded mixed) elliptic projection which is an indispensable tool in the traditional MFEM analysis. At last, we give some numerical results to confirm the theoretical analysis.<\/jats:p>","DOI":"10.1155\/2013\/951692","type":"journal-article","created":{"date-parts":[[2013,4,17]],"date-time":"2013-04-17T17:01:57Z","timestamp":1366218117000},"page":"1-10","source":"Crossref","is-referenced-by-count":3,"title":["A New Characteristic Nonconforming Mixed Finite Element Scheme for Convection-Dominated Diffusion Problem"],"prefix":"10.1155","volume":"2013","author":[{"given":"Dongyang","family":"Shi","sequence":"first","affiliation":[{"name":"Department of Mathematics, Zhengzhou University, Zhengzhou 450001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qili","family":"Tang","sequence":"additional","affiliation":[{"name":"Department of Mathematics, Zhengzhou University, Zhengzhou 450001, China"},{"name":"School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang 471003, 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