%0 Journal Article %A Angshuman Bhattacharya %A Tirthankar Bhattacharyya %T Complete Pick positivity and unitary invariance %J Studia Mathematica %D 2010 %P 149-162 %V 200 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4064/sm200-2-3/ %R 10.4064/sm200-2-3 %G en %F 10_4064_sm200_2_3