Fritsch, Rudolf (2016): Remarks on orthocenters, Pappus' theorem and Butterfly theorems. In: Journal of Geometry, Vol. 107, No. 2: pp. 305-316 |
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Abstract
We present a generalization of the notion of the orthocenter of a triangle and of Pappus' theorem. Both subjects were discussed with Pickert in the last year of his life. Furthermore we add a projective Butterfly theorem which covers all known affine cases.
Item Type: | Journal article |
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Faculties: | Mathematics, Computer Science and Statistics > Mathematics |
Subjects: | 500 Science > 510 Mathematics |
ISSN: | 0047-2468 |
Language: | English |
ID Code: | 47405 |
Deposited On: | 27. Apr 2018 08:12 |
Last Modified: | 04. Nov 2020 13:24 |
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