Title of article
LIGHTLIKE RULED AND REVOLUTION SURFACES IN 3 1
Author/Authors
ALTIN، A نويسنده Hacettepe University, Faculty of Science, Department of Mathematics, 06550 Beytepe, Ankara, Turkey , , KABADAYI، H نويسنده Ankara University, Faculty of Science, Department of Mathematics, 06100 Tandogan, Ankara, Turkey , , SABUNCUOGLU، A نويسنده Ankara University, Faculty of Science, Department of Mathematics, 06100 Tandogan, Ankara, Turkey ,
Issue Information
فصلنامه با شماره پیاپی 0 سال 2010
Pages
7
From page
95
To page
101
Abstract
In this paper lightlike ruled surfaces in ??3
1=(??3,-dx2+dy2+dz2) are studied with respect to whether
ruling curves are spacelike or null. It is seen that, in the first case the Gaussian curvature of the ruled surfaces
vanishes. In the second case the Gaussian curvature of the ruled surfaces are negative. In the second case
lightlike ruled surfaces are totally umbilical. Furthermore, lightlike surfaces of revolution are shown to be
only cones, and the second type lightlike ruled surface.
Journal title
Iranian Journal of Science and Technology Transaction A: Science
Serial Year
2010
Journal title
Iranian Journal of Science and Technology Transaction A: Science
Record number
1654354
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