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  • International Electronic Journal of Geometry
  • Volume:14 Issue:2
  • Reversion Porisms in Conics

Reversion Porisms in Conics

Authors : Lorenz HALBEISEN, Norbert HUNGERBÜHLER, Marco SCHİLTKNECHT
Pages : 371-382
Doi:10.36890/iejg.979088
View : 37 | Download : 15
Publication Date : 2021-10-29
Article Type : Research Paper
Abstract :We give a projective proof of the butterfly porism for cyclic quadrilaterals and present a general reversion porism for polygons with an arbitrary number of vertices on a conic. We also investigate projective properties of the porisms.
Keywords : Porisms, butterfly theorems, reversion map

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