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算子方程X^s-A~*X^(-t)A=I的正算子解 被引量:1

On Positive Operator Solutions of Operator Equation X^s-A~*X^(-t)A=I
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摘要 文章在无限维的Hilbert空间上讨论了算子方程的正算子解以及正算子解的范围. In this paper,we discuss the operator equations in infinite dimensional Hilbert space,and mainly discuss the positive operator solutions of above equation,and give the location of their positive operator solutions.
出处 《山西大同大学学报(自然科学版)》 2009年第5期1-3,共3页 Journal of Shanxi Datong University(Natural Science Edition)
基金 国家自然科学基金资助项目[10871111]
关键词 HILBERT 空间 有界线性算子 正算子解 算子方程 Hilbert space bounded linear operator positive operator solution operator equation
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参考文献5

  • 1Sh Du, Hou J. Positive definite solutions of operator equations X^m+A ^*X^-nA =I [J]. Linear Muhilinear Algebra, 2003, 51:163-173.
  • 2Jacob C, Engwerda. On the existence of a positive definite solution of the matrix equation X+A^TX^-1A =I [J]. Linear Algebra Appl, 1993, 194: 91-108.
  • 3Engwerda Jacob C, Andre C M Ran , Rijkeboer Arie L. Necessary and sufficient conditions for the existence of a positive definite solution of matrix equation X+A ^*X^-1A =Q [J]. Linear algebra Appl, 1993, 186: 255-275.
  • 4Liu X-G. Gao H. On the positive definite solutions of the matrix equations X^5+A ^* X^-nA =I [J]. Linear Algebra Appl, 2003, 1368: 83-97.
  • 5Zhang Y-H. On Hermitian positive definite solutions of matrix equation X+A ^*X^-2A =I [J]. Linear Algebra Appl, 2003, 372: 295-304.

同被引文献5

  • 1Du Shuanping, Hou Jinchuan. Positive definite solu- tions of operator equations XS-A*X-tA=I[J].Linear Multihnear Algebra,2003,51(2) :163.
  • 2Engwerda J C. On the existence of a positive definite solution of the matrix equation XS-A*X-tA=I[J]. Linear Algebra Appl, 1993,194(11) : 91.
  • 3Engwerda J C, Ran A C M, Rijkeboer A L. Necessary and sufficient conditions for the existence of a positive definite solution of matrix equation XS-A*X-tA=I[J]. Linear Algebra Appl, 1993,186(6):255.
  • 4Zhang Y H. On Hermitian positive definite solutions of matrix equation XS-A*X-tA=I[J]. Linear Algebra Appl,2003,372(10) :295.
  • 5Guo C,Lancaster P. Iterative solution of two matrix equations[J]. Math Comp, 1999,68(4) : 1589.

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