Maximum Absolute Column Sum Norm

The Natural Norm induced by the L1-Norm is called the maximum absolute column sum norm and is defined by

$$\vert\vert{\hbox{\sf A}}\vert\vert _1=\max_j \sum_{i=1}^n \vert a_{ij}\vert$$

for a Matrix A.

See also L1-Norm, Maximum Absolute Row Sum Norm