International Journal of Geometry

Vol. 5 (2016), No. 2, October

OVIDIU T. POP, SÁNDOR N. KISS and NICUŞOR MINCULETE – Cyclic quadrilaterals corresponding to a given Varignon parallelogram
IGOR MINEVICH and PATRICK MORTON – Synthetic foundations of cevian geometry, II: The center of the cevian conic
RAM SHANKAR GUPTA – Biharmonic hypersurfaces in E^6 with constant scalar curvature
SELAHATTIN ASLAN and YUSUF YAYLI – Split quaternions and canal surfaces in Minkowski 3 – spaces.
MARTIN JOSEFSSON – More characterizations of extangential quadrilaterals
GEORGE E. LEFKADITIS, THOMAS L. TOULIAS and STELIOS MARKATIS – The four ellipses problem
HIROSHI OKUMURA – An equilateral triangle in the arbelos