# zbMATH — the first resource for mathematics

On the norms of Hankel matrices with the Motzkin numbers. (English) Zbl 1229.15026
Summary: We give bounds for the $$\ell_p$$ norm of the Hadamard inverse of Hankel matrices with Motzkin numbers. Furthermore, we determine an upper bound for the Hadamard product of these matrices.
##### MSC:
 15A60 Norms of matrices, numerical range, applications of functional analysis to matrix theory 15A45 Miscellaneous inequalities involving matrices 15B05 Toeplitz, Cauchy, and related matrices