MATEMATIČKI VESNIK
МАТЕМАТИЧКИ ВЕСНИК



MATEMATIČKI VESNIK
Some curvature conditions of the type $2\times 4$ on the submanifolds satisfying Chen's equality
Ana Hinić

Abstract

Submanifolds of the Euclidean spaces satisfying equality in the basic Chen's inequality have, as is known, many interesting properties. In this paper, we discuss on such submanifolds the curvature conditions of the form $E_2\cdot F_4=0$, where $E_2$ is the Ricci or the Einstein curvature operator, $F_4$ is any of the standard curvature operators $R, Z, P, K, C$, and $E_2$ acts on $F_4$ as a derivation.

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Keywords: Submanifolds, curvature conditions, basic equality.

MSC: 53B25, 53C40

Pages:  189--196     

Volume  59 ,  Issue  4 ,  2007