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Characterizations and linear combinations of k-generalized projectors

✍ Scribed by Julio Benítez; Néstor Thome

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
150 KB
Volume
410
Category
Article
ISSN
0024-3795

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An alternative characterization of gener
An alternative characterization of generalized projectors
✍ Jerzy K Baksalary; Xiaoji Liu 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 164 KB

One of the results of Groß and Trenkler [Linear Algebra Appl. 264 (1997) 463] asserts that a square complex matrix K is a generalized projector if and only if it is (i) quadripotent, (ii) normal, and (iii) partial isometry. The authors supplemented this statement by proving that condition (iii) in t