Communications of the
Korean Mathematical Society CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

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Commun. Korean Math. Soc. 2017; 32(4): 991-997

Online first article July 7, 2017 Printed October 31, 2017

https://doi.org/10.4134/CKMS.c170016

Copyright © The Korean Mathematical Society.

The geometry of ${\mathcal L}_s(^3l_{\infty}^2)$

Sung Guen Kim

Kyungpook National University

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Abstract

We classify the extreme, exposed and smooth symmetric 3-linear forms of the unit ball of ${\mathcal L}_s(^3l_{\infty}^2)$, respectively.

Keywords: extreme points, exposed points, smooth points

MSC numbers: Primary 46A22

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