Idempotency of linear combinations of two idempotent matrices

Linear Algebra and Its Applications

Volumn 321, Issue 1-3, 2000, Pages 3-7

  Baksalary, Jerzy K ^a   Baksalary, Oskar Maria ^b  

^a UNIVERSITY OF ZIELONA GÓRA   (Poland)

^b ADAM MICKIEWICZ UNIVERSITY   (Poland)

Author keywords

15A57; 62H10; Chi square distribution; Oblique projector; Orthogonal projector; Quadratic form

Indexed keywords

EID: 0034363319     PISSN: 00243795     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0024-3795(00)00225-1     Document Type: Article

References (5)

1. J.K. Baksalary, Algebraic characterizations and statistical implications of the commutativity of orthogonal projectors, in: T. Pukkila, S. Puntanen (Eds.), Proceedings of the Second International Tampere Conference in Statistics, University of Tampere, Tampere, Finland, 1987, pp. 113-142.
2. Groß J., Trenkler G. On the product of oblique projectors. Linear and Multilinear Algebra. 44:1998;247-259.
3. Mathai A.M., Provost S.B. Quadratic Forms in Random Variables: Theory and Applications. 1992;Dekker, New York.
4. Rao C.R., Mitra S.K. Generalized Inverse of Matrices and Its Applications. 1971;Wiley, New York.
5. Takane Y., Yanai H. On oblique projectors. Linear Algebra Appl. 289:1999;297-310.