Title of article :
Closedness of ranges of upper-triangular operators
Author/Authors :
Dou، نويسنده , , Yan-Ni and Du، نويسنده , , Gui-Chun and Shao، نويسنده , , Chun-Fang and Du، نويسنده , , Hong-Ke، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2009
Abstract :
In this paper, the closedness of ranges and Kato non-singularity of upper triangular operator matrices are investigated.
Keywords :
operator matrix , Upper-triangular operator , range , Kato non-singular
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications
