Halmos' two projections theorem for Hilbert C⁎-module operators and the Friedrichs angle of two closed submodules

Wei Luo, Mohammad Sal Moslehian, Qingxiang Xu

Type: Article

Publication Date: 2019-04-30

Citations: 13

DOI: https://doi.org/10.1016/j.laa.2019.04.025

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Linear Algebra and its Applications - View
arXiv (Cornell University) - View - PDF
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+	Refinements of the Norm of Two Orthogonal Projections	2024	Xiaohui Li Meiqi Liu Chunyuan Deng
+	Certain Properties of Orthogonal Projections	2020	Shuaijie Wang Chunyuan Deng
+	Weighted Moore–Penrose Inverses Associated with Weighted Projections on Indefinite Inner Product Spaces	2020	Guanjie Yan Yunfei Tan Qingxiang Xu
+	Some remarks on the mutually commutative idempotents	2024	Wei Luo Chunhong Fu Qingxiang Xu
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Works Cited by This (21)

Action	Title	Year	Authors
+	None	1999	Michael Frank
+	Hilbert C*-Modules	1995	E. Christopher Lance
+	C-Algebras and Their Automorphism Groups	1979	Gert Kjærgård Pedersen
+	K-Theory and C*-Algebras: A Friendly Approach	1993	N E Wegge-Olsen
+ PDF Chat	On certain inequalities and characteristic value problems for analytic functions and for functions of two variables	1937	K. O. Friedrichs
+	Positive semi-definite matrices of adjointable operators on Hilbert <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:msup><mml:mrow><mml:mi>C</mml:mi></mml:mrow><mml:mrow><mml:mo>∗</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>-modules	2008	Qingxiang Xu Lijuan Sheng
+	A gentle guide to the basics of two projections theory	2009	Albrecht Böttcher Ilya M. Spitkovsky
+	The Angle Between Subspaces of a Hilbert Space	1995	Frank Deutsch
+ PDF Chat	Shape theory and extensions of <i>C</i> *-algebras	2011	Vladimir Manuilov Klaus Thomsen
+	Essentially orthogonal subspaces	2017	Esteban Andruchow Gustavo Corach