Τρίτη, 11 Οκτωβρίου 2016

Forum Geometricorum Volume 4 (2004)

1. Nikolaos Dergiades and Paul Yiu, Antiparallels and concurrency of Euler lines, 1--20. 
4. Hiroshi Okumura and Masayuki Watanabe, The Archimedean circles of Schoch and Woo, 27--34. 
6. Atul Dixit and Darij Grinberg, Orthopoles and the Pappus theorem, 53--59. 
7. Juan Carlos Salazar, On the areas of the intouch and extouch triangles, 61--65. 
11. Lev Emelyanov, On the intercepts of the OI-line, 81--84. 
12. Charles Thas, On the Schiffler point, 85--95. 
13. Zvonko Cerin, The vertex-midpoint-centroid triangles, 97--109. 
14. Nicolae Anghel, Minimal chords in angular regions, 111--115. 
16. Eric Danneels, The intouch triangle and the OI-line, 125--134. 
17. Eric Danneels and Nikolaos Dergiades, A theorem on orthology centers, 135--141. 
18. Roger C. Alperin, A grand tour of pedals of conics, 143--151. 
19. Minh Ha Nguyen and Nikolaos Dergiades, Garfunkel's inequality, 153--156. 
20. Paris Pamfilos, On some actions of D_3 on the triangle, 157--176. 
21. Bernard Gibert, Generalized Mandart conics, 177--198. 
22. Nguyen Minh Ha, Another proof of Fagnano's inequality, 199--201. 
23. Walther Janous, Further inequalities of Erdos-Mordell type, 203--206. 
24. Floor van Lamoen, Inscribed squares, 207--214. 
27. Jean-Pierre Ehrmann and Floor van Lamoen, A projective generalization of the Droz-Farny line theorem, 225--227. 
28. Hiroshi Okumura and Masayuki Watanabe, The twin circles of Archimedes in a skewed arbelos, 229--251. 
29. Darij Grinberg and Alex Myakishev, A generalization of the Kiepert hyperbola, 253--260.

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