Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 2015; 52(6): 1337-1346

Printed November 1, 2015

https://doi.org/10.4134/JKMS.2015.52.6.1337

Copyright © The Korean Mathematical Society.

Shape operator and Gauss map of pointwise 1-type

Dong-Soo Kim and Young Ho Kim

Chonnam National University, Kyungpook National University

Abstract

We examine the relationship of the shape operator of a surface of Euclidean 3-space with its Gauss map of pointwise 1-type. Surfaces with constant mean curvature and right circular cones with respect to some properties of the shape operator are characterized when their Gauss map is of pointwise 1-type.

Keywords: shape operator, Gauss map, finite type, pointwise 1-type

MSC numbers: Primary 53B25, 53C40