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群乘积投影的导数(英文)

Derivatives of Group Product Projections
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摘要 本文得到Lie群上某些乘积结构下投影的导数,推广了Bhatia和Mukherjea的关于非奇异矩阵的QR与极分解下投影导数的结果. We obtain the derivatives of projections under certain group product structures on Lie groups, extending some matrix results of Bhatia and Mukherjea on the derivatives of projections with respect to the QR and polar decompositions of a nonsingular matrix.
作者 廖明 谭天佑
出处 《数学进展》 CSCD 北大核心 2013年第5期611-619,共9页 Advances in Mathematics(China)
关键词 QR分解 Cartan分解 LIE群 QR decomposition Cartan decomposition Lie group
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参考文献5

  • 1Bhatia, R., Matrix Analysis, New York: Springer, 1997.
  • 2Bhatia, R. and Mukherjea, K., Variation of the unitary part of a matrix, SIAM J. Matrix Analysis, 1994, 15(3): 1007-1014.
  • 3Helgason, S., Differential Geometry, Lie Groups, and Symmetric Spaces, New York: Academic Press, 1978.
  • 4Knapp, A.W., Lie Groups Beyond an Introduction, Boston: Birkhuser, 1996.
  • 5Warmer, F.W., Foundation of Differentiable Manifolds and Lie Groups, Glenview: Scott Foresman and Company, 1971.

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