Polynomial Numerical Index of $l_p~(1

Kyungpook Mathematical Journal 2015; 55(3): 615-624

Published online September 23, 2015

Sung Guen Kim

Department of Mathematics, Kyungpook National University, Daegu 702-701, Korea

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We present some estimates for the
polynomial numerical index of $l_p~(1

Keywords: Homogeneous polynomial, numerical radius,
polynomial numerical index