Forum Geometricorum
Volume 6 (2006)

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    1. Khoa Lu Nguyen and Juan Carlos Salazar, On the mixtilinear incircles and excircles, 1--16.
    2. Juan Rodriguez, Paula Manuel and Paulo Semiao, A conic associated with the Euler line, 17--23.
    3. Charles Thas, A note on the Droz-Farny theorem, 25--28.
    4. Paris Pamfilos, The cyclic complex of a cyclic quadrilateral, 29--46.
    5. Bernard Gibert, Isocubics with concurrent normals, 47--52.
    6. Mowaffaq Hajja and Margarita Spirova, A characterization of the centroid using June Lester's shape function, 53--55.
    7. Christopher J. Bradley and Geoff C. Smith, The locations of triangle centers, 57--70.
    8. Christopher J. Bradley and Geoff C. Smith, The locations of the Brocard points, 71--77.
    9. Floor van Lamoen, Archimedean adventures, 79--96.
    10. Anne Fontaine and Susan Hurley, Proof by picture: Products and reciprocals of diagonals length ratios in the regular polygon, 97--101.
    11. Hiroshi Okumura and Masayuki Watanabe, A generalization of Power's Archimedean circles, 103--105.
    12. Stanley Rabinowitz, Pseudo-incircles, 107--115.
    13. Wilson Stothers, Grassmann cubics and desmic structures, 117--138.
    14. Matthew Hudelson, Concurrent medians of (2n+1)-gons, 139--147.
    15. Dieter Ruoff, On the generating motions and the convexity of a well-known curve in hyperbolic geometry, 149--166.
    16. Mowaffaq Hajja, A very short and simple proof of ``the most elementary theorem" of euclidean geometry, 167--169.
    17. Sandor Kiss, The orthic-of-intouch and intouch-of-orthic triangles, 171--177.
    18. Kurt Hofstetter, A 4-step construction of the golden ratio, 179--180.
    19. Eisso J. Atzema, A theorem by Giusto Bellavitis on a class of quadrilaterals, 181--185.
    20. Wladimir Boskoff and Bogdan Suceava, A projectivity characterized by the Pythagorean relation, 187--190.
    21. Bogdan Suceava} and Paul Yiu, The Feuerbach point and Euler lines, 191--197.
    22. Eric Danneels, A simple perspectivity, 199--203.
    23. Quang Tuan Bui, Pedals on circumradii and the Jerabek center, 205--212.
    24. Bernard Gibert, The Simmons conics, 213--224.
    25. Nikolaos Dergiades, A synthetic proof and generalization of Bellavitis' theorem, 225--227.
    26. Huub van Kempen, On some theorems of Poncelet and Carnot, 229--234.
    27. Charles Thas, The Droz-Farny theorem and related topics, 235--240.
    28. Zvonko Cerin, On butterflies inscribed in a quadrilateral, 241--246.
    29. Eric Danneels, On triangles with vertices on the angle bisectors, 247--253.
    30. Matthew Hudelson, Formulas among diagonals in the regular polygon and the Catalan numbers, 255--262.
    31. Khoa Lu Nguyen, A note on the barycentric square root of Kiepert perspectors, 263--268.
    32. Clark Kimberling, Translated triangle perspective to a reference triangle, 269--284.
    33. James L. Parish, On the derivative of a vertex polynomial, 285--288.
    34. Alexei Myakishev, On two remarkable lines related to a quadrilateral, 289--295.
    35. Max A. Tran Intersecting circles and their inner tangent circle, 297--300.
    36. K. R. S. Sastry, Two Brahmagupta problems, 301--310.
    37. Floor van Lamoen, Square wreaths around hexagons, 311--325.
    38. Jean-Pierre Ehrmann, Some geometric constructions, 327--334.
    39. Amy Bell, Hansen's right triangle theorem, its converse and a generalization, 335--342.
    40. Paul Yiu, Some constructions related to the Kiepert hyperbola, 343--357.