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Generalized inverses and Douglas equations

Author(s): M. Laura Arias; Gustavo Corach; M. Celeste Gonzalez
Journal: Proc. Amer. Math. Soc. 136 (2008), 3177-3183.
MSC (2000): Primary 47A50, 15A09
Posted: May 1, 2008
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Abstract: In this paper we study the general concept of reduced solution for a Douglas type equation and we parametrize these solutions using generalized inverses. On the other hand, we characterize different sorts of generalized inverses by means of solutions of Douglas type equations.


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Additional Information:

M. Laura Arias
Affiliation: Instituto Argentino de Matematica, Saavedra 15, 1083 Buenos Aires, Argentina
Email: ml_arias@uolsinectis.com.ar

Gustavo Corach
Affiliation: Instituto Argentino de Matemática, Saavedra 15, 1083 Buenos Aires, Argentina
Email: gcorach@fi.uba.ar

M. Celeste Gonzalez
Affiliation: Instituto Argentino de Matemática, Saavedra 15, 1083 Buenos Aires, Argentina
Email: celegonzalez@gmail.com

DOI: 10.1090/S0002-9939-08-09298-8
PII: S 0002-9939(08)09298-8
Keywords: Douglas equation, generalized inverse, oblique projections
Received by editor(s): April 18, 2007,
Received by editor(s) in revised form: July 13, 2007
Posted: May 1, 2008
Additional Notes: The authors were supported in part by UBACYT I030, CONICET PIP 5272
Communicated by: N. Tomczak-Jaegermann
Copyright of article: Copyright 2008, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.


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