Geodesic
A Remarkable Quartic Pretzel Curve
Journal for geometry and graphics, Tome 21 (2017) no. 1, pp. 37-44 Cet article a éte moissonné depuis la source Heldermann Verlag

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The topic of this paper, a quartic curve of a remarkable shape, emerged from solving a locus problem originating from an 18th century Latin book of geometrical exercises using dynamic geometry software. Different mathematical representations and various properties, e.g., of a conchoidal nature or a duality with a sixth degree curve, are the subject of this paper.
Classification : 51M04, 51N35
Mots-clés : Algebraic curve, geometry teaching, rational parametrization, polar equation, properties of a curve 
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     author = {R. Hasek },
     title = {A {Remarkable} {Quartic} {Pretzel} {Curve}},
     journal = {Journal for geometry and graphics},
     pages = {37--44},
     year = {2017},
     volume = {21},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JGG_2017_21_1_JGG_2017_21_1_a3/}
}
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R. Hasek . A Remarkable Quartic Pretzel Curve. Journal for geometry and graphics, Tome 21 (2017) no. 1, pp. 37-44. http://geodesic.mathdoc.fr/item/JGG_2017_21_1_JGG_2017_21_1_a3/