Forum Geometricorum
VOLUME 4 (2004)
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-
Nikolaos
Dergiades and Paul Yiu, Antiparallels and concurrent
Euler lines, 1--20.
- Kurt Hofstetter, Another 5-step division
of a segment in the golden section, 21--22.
- Mirko Radic, Extreme
areas of triangles in Poncelet's closure theorem, 23--26.
- Hiroshi Okumura and Masayuki Watanabe,
The Archimedean circles of Schoch and Woo, 27--34.
- Jean-Pierre Ehrmann, Steiner's theorems
on the complete quadrilateral, 35--52.
- Atul Dixit and Darij Grinberg, Orthopoles
and the Pappus theorem, 53--59.
- Juan Carlos Salazar, On
the areas of the intouch and extouch triangles, 61--65.
- Nikolaos
Dergiades, Signed distances and the Erdos-Mordell inequality,
67--68.
- Eric
Danneels, A simple construction of the congruent isoscelizers
point, 69--71.
- K.
R. S. Sastry, Triangles with special isotomic conjugate Pairs,
73--80.
- Lev
Emelyanov, On the intercepts of the OI-line, 81--84.
- Charles
Thas, On the Schiffler point, 85--95.
- Zvonko
Cerin, The vertex-midpoint-centroid triangles, 97--109.
- Nicolae
Anghel, Minimal chords in angular regions, 111--115.
- Li
C. Tien, Three pairs of congruent circles in a circle, 117--124.
-
Eric Danneels,
The intouch triangle and the OI-line, 125--134.
- Eric
Danneels and Nikolaos Dergiades, A theorem on orthology centers,
135--141.
- Roger
C. Alperin, A grand tour of pedals of conics, 143--151.
- Nguyen
Minh Ha and Nikolaos Dergiades, Garfunkel's inequality, 153--156.
- Paris Pamfilos,
On some actions of D3 on the triangle, 157--176.
- Bernard Gibert,
Generalized Mandart conics, 177--198.
- Nguyen Minh
Ha, Another proof of Fagnano's inequality, 199--201.
- Walther Janous,
Further inequalities of Erdos-Mordell type, 203--206.
- Floor van Lamoen,
Inscribed squares, 207--214.
- Victor Oxman,
On the existence of triangles with given lengths of one side and two
adjacent angle bisectors, 215--218
- Jean-Louis Ayme,
A purely synthetic proof of the Droz-Farny line theorem, 219--224.
- Jean-Pierre Ehrmann
and Floor van Lamoen, A projective generalization of the Droz-Farny
line theorem, 225--227.
- Hiroshi Okumura
and Masayuki Watanabe, The twin circles of Archimedes in a skewed
arbelos, 229--251.
- Darij Grinberg and Alexei Myakishev, A generalization
of the Kiepert hyperbola, 253--260.