Znanstveno-stručni časopis
Hrvatskog društva za geometriju i grafiku

Scientific and Professional Journal
of the Croatian Society for Geometry and Graphics


CONTENTS / SADRŽAJ


Original Scientific Papers
Temel Ermiş, Özcan Gelişgen, Rustem Kaya: On Taxicab Incircle and Circumcircle of a Triangle 3
Ana Sliepčević, Ivana Božić: Steiner Curve in a Pencil of Parabolas 13
Hiroshi Okumura: Ubiquitous Archimedean Circles of the Collinear Arbelos 17
Nikolina Kovačević, Ana Sliepčević: On the Certain Families of Triangles 21
Marijana Babić, Srđan Vukmirović: Central Projection of Hyperbolic Space onto a Horosphere 27
János Pallagi, Benedek Schultz, Jenö Szirmai: On Regular Square Prism Tilings in ^SL2R Space (tilda) 36
Norman John Wildberger, Ali Alkhaldi: Universal Hyperbolic Geometry IV: Sydpoints and Twin Circumcircles 43
Nguyen Le, Norman John Wildberger: Universal Affine Triangle Geometry and Four-fold Incenter Symmetry 63

Professional Papers
Tatjana Slijepčević Manger: The Volume of a Solid of Revolution 81


ABSTRACTS / SAŽECI