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Convex polytopes are the convex hulls of a finite set of points in Euclidean spaces. They have rich combinatorial, arithmetic, and metrical theory, and are related to toric varieties and to linear programming

1 vote

Cut norm versus $l_1$ norm

Here I provide further details. There are 3 related quantities: the cut norm of any rectangular matrix cut(M), the taxicab matrix operator norm tmon(M), and Frobenius 1 norm F1n(M). The inequalities a …
Vartan Choulakian's user avatar
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Cut norm versus $l_1$ norm

The attainable upper bound is 4. A sufficient condition is the following: Given that you are partitioning the square matrix in 4 parts, suppose the following two conditions: 1) in each submatrix the s …
Vartan Choulakian's user avatar