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Homology and Cohomology of the Super Schrodinger Algebra 5(1/1)with Coefficients in the Trivial Module
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作者 Yan He Yuezhu Wu +1 位作者 Linsheng Zhu Jiping Zhang 《Algebra Colloquium》 SCIE CSCD 2019年第4期615-628,共14页
In this paper we study the homology and cohomology groups of the super Schrodinger algebra S(1/1)in(1+l)-dimensional spacetime.We explicitly compute the homology groups of S(1/1)with coefficients in the trivial module... In this paper we study the homology and cohomology groups of the super Schrodinger algebra S(1/1)in(1+l)-dimensional spacetime.We explicitly compute the homology groups of S(1/1)with coefficients in the trivial module.Then using duality,we finally obtain the dimensions of the cohomology groups of S(1/1)with coefficients in the trivial module. 展开更多
关键词 super Schrodinger algebra HOMOLOGY COHOMOLOGY
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A DISCONTINUOUS GALERKIN METHOD BY PATCH RECONSTRUCTION FOR BIHARMONIC PROBLEM
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作者 Ruo Li Pingbing Ming +2 位作者 Zhiyuan Sun Fanyi Yang Zhijian Yang 《Journal of Computational Mathematics》 SCIE CSCD 2019年第4期524-540,共17页
We propose a new discontinuous Galerkin method based on the least-squares patch reconstruction for the biharmonic problem. We prove the optimal error estimate of the proposed method. The two-dimensional and three-dime... We propose a new discontinuous Galerkin method based on the least-squares patch reconstruction for the biharmonic problem. We prove the optimal error estimate of the proposed method. The two-dimensional and three-dimensional numerical examples are presented to confirm the accuracy and efficiency of the method with several boundary conditions and several types of polygon meshes and polyhedral meshes. 展开更多
关键词 LEAST-SQUARES PROBLEM Reconstructed basis function DISCONTINUOUS GALERKIN method BIHARMONIC PROBLEM
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