Editorial board of advisors

Abstract

Construction of triangle from a vertex and the feet of two angle bisectors, 103 Giovanni Lucca, Three Pappus chains inside the arbelso: some identitites, 107 Floor van Lamoen, Some more Powerian pairs in the arbelos, 111 Quang Tuan Bui, The arbelos and nine-point circles, 115 Hiroshi Okumura and Masayuki Watanabe, Characterizations of an infinite set of Archimedean circles, 121 Hiroshi Okumura and Masayuki Watanabe, Remarks on Woo's Archimedean circles, 125 Lubomir Markov, Heronian triangles whose areas are integer multiples of their perimeters, 129 Sadi Abu-Saymeh and Mowaffaq Hajja, Coincidence of centers for scalene triangles, 137 Claudi Alsina and Roger B. Nelsen, On the diagonals of a cyclic quadrilateral, 147 Tibor Dosa, Some triangle centers associated with the excircles, 151 Clark Kimberling, Fixed points and fixed lines of Ceva collineations, 159 Cosmin Pohoata and Paul Yiu, On a product of two points induced by their cevian triangles, 169 Apoloniusz Tyszka, Steinhaus' problem on partition of a triangle, 181 Jean-Pierre Ehrmann, Constructive solution of a generalization of Steinhaus' problem on partition of a triangle, 187 Nikolaus Dergiades, The Soddy circles, 191