Znanstveno-stručni časopis
Hrvatskog društva za geometriju i grafiku

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


CONTENTS / SADRŽAJ


In memoriam
Sonja Gorjanc, Ana Sliepčević, Vlasta Szirovicza: Professor Branko Kučinić (1936.-2008.)3

Review
Gunter Weiß, Franz Gruber: How to generalize Thales's Theorem?7

Original Scientific Papers
Ema Jurkin: Automorphic Inversion and Circular Quartics in Isotropic Plane19
H. Bariş Çolakoglu, Rüstem Kaya: Regular Polygons in the Taxicab Plane27
Nilgün Sönmez: Trigonometric Proof of Steiner-Lehmus Theorem in Hyperbolic Geometry35
Tatiana Olejníková: Cycloidal Cyclical Surfaces37
Ayşe Bayar: On the Trigonometric Functions in Maximum Metric45

Professional Papers
Marco Hamann: On Axonometric Projection of the Contour of a Sphere49
Vedran Car, Dino Dragun, Jelena Beban-Brkić: Multimedia Concept in Visualization of the Polar Stereographic Projection55


ABSTRACTS / SAŽECI