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逼近拟增生算子零点的大范围收敛定理

A Global Convergence Theorem for Approximating Zeros of Quasi-Accretive Operators
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摘要 研究了一致光滑Banach空间中拟增生算子零点的迭代逼近问题,获得了一个大范围收敛定理,改进了许多已知的结果. In the present paper, the iterative construction problem on zeros of quasi-accretive operators is studied, and a global convergence theorem is established, which is an interesting improvement for the previous results.
出处 《数学的实践与认识》 CSCD 北大核心 2007年第24期115-118,共4页 Mathematics in Practice and Theory
基金 国家自然科学基金(10471033)
关键词 拟增生算子 最速下降迭代法 大范围收敛定理 Quasi-accretive operator steepest descent approximation global convergence theorem
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参考文献5

  • 1Xu Z B, Roach G F. A necessary and sufficient condition for convergence of steepest descent approximation to accretive operator equations[J]. J Math Anal Appl, 1992, 167: 340--354.
  • 2Zhou H Y. A note on a theorem of Xu and Roach[J]. J Math Anal Appl, 1998, 227:300--304.
  • 3Zhou H Y. A characteristic condition for convergence of steepest descent approximation to accretive operator equations[J]. J Math Anal Appl, 2002, 271: 1--6.
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  • 5周海云.α-强增生算子零点的迭代逼近[J].数学年刊(A辑),2006,27(3):383-388. 被引量:3

二级参考文献6

  • 1Morales C. H. and Chidume C. E., Comergence of the steepest descent method for accretive operators [J], Proc. Amer. Math. Soc., 1999, 21:3677-3683.
  • 2Kartsatos A. G, Zeros of demicontinuous accretive operators in Baaach spaces [J], J.Integral Eqnvs, 1985, 8:175-184.
  • 3Reich S., An iterative procedure for constructing zeros of accretive sets in Banach spaces[J], Nonlinear Anal. TMA, 1978, 2:85-92.
  • 4Xu Z. B. and Roach G. F., A necessary and sufficient condition for convergence of steepest descent approximation to accretive operator equations [J], J. Math. Anal. Appl.,1992, 167:340-354.
  • 5Zhou H. Y. A note on a theorem of Xu and Roach [J], J. Math. Anal. Appl., 1998,227:300-304.
  • 6Zhou H. Y. A characteristic condition for convergence of steepest descent approximation to accretive operator equations[J], J. Math. Anal. Appl., 2002, 271:1-6.

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