%0 Journal Article %A Chien, Mao-Ting %A Nakazato, Hiroshi %T The numerical radius of a weighted shift operator with geometric weights %J The electronic journal of linear algebra %D 2009 %P 58-63 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2009__18__a53/ %G en %F ELA_2009__18__a53