Orthogonal Line Congruences with Common Middle Surface
Journal for geometry and graphics, Tome 12 (2008) no. 2, pp. 123-132
Cet article a éte moissonné depuis la source Heldermann Verlag
Let S, S' be two orthogonal line congruences with common middle surface P(u,v). We study S and S' firstly in the case that S is isotropic and then in the case that S is the normal line congruence of P(u,v).
Classification :
53A25
Mots-clés : Orthogonal line congruences, middle surface, middle envelope
Mots-clés : Orthogonal line congruences, middle surface, middle envelope
@article{JGG_2008_12_2_JGG_2008_12_2_a0,
author = {P. Koltsaki and D. Papadopoulou },
title = {Orthogonal {Line} {Congruences} with {Common} {Middle} {Surface}},
journal = {Journal for geometry and graphics},
pages = {123--132},
year = {2008},
volume = {12},
number = {2},
url = {http://geodesic.mathdoc.fr/item/JGG_2008_12_2_JGG_2008_12_2_a0/}
}
P. Koltsaki; D. Papadopoulou . Orthogonal Line Congruences with Common Middle Surface. Journal for geometry and graphics, Tome 12 (2008) no. 2, pp. 123-132. http://geodesic.mathdoc.fr/item/JGG_2008_12_2_JGG_2008_12_2_a0/