Geodesic
Gauss-Newton Lines and Eleven Point Conics
Journal for geometry and graphics, Tome 16 (2012) no. 2, pp. 123-128.

Voir la notice de l'article provenant de la source Heldermann Verlag

We give a projective version of the Gauss-Newton line for a quadrilateral and its dual form for a quadrangle. These new lines are related to an eleven point conic.
Classification : 51M04, 51N15
Mots-clés : Triangle geometry, Gauss-Newton line, eleven point conic 
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     author = {R. C. Alperin },
     title = {Gauss-Newton {Lines} and {Eleven} {Point} {Conics}},
     journal = {Journal for geometry and graphics},
     pages = {123--128},
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     volume = {16},
     number = {2},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/JGG_2012_16_2_JGG_2012_16_2_a0/}
}
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R. C. Alperin . Gauss-Newton Lines and Eleven Point Conics. Journal for geometry and graphics, Tome 16 (2012) no. 2, pp. 123-128. http://geodesic.mathdoc.fr/item/JGG_2012_16_2_JGG_2012_16_2_a0/