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Znanstveno-stručni
časopis Hrvatskog druątva za geometriju i grafiku Scientific and Professional Journal |
| CONTENTS / SADR®AJ | |
Anniversaries | |
| Sonja Gorjanc: The Centenary of the Birth of Vilko Niče | 3 |
Original Scientific Papers | |
| Daniel Lordick: Shade Lines of Curved Surfaces - Rotational and Helical Circular Surfaces | 11 |
| Attila Bölcskei, Mónika Szél-Koponyás: Construction of D-Graphs Related to Periodic Tilings | 21 |
| Damir Lazarević, Josip Dvornik, Kreąimir Fresl: Contact Detection Algorithm for Discrete Element Analysis | 29 |
| Márta Szilvási-Nagy, Teréz P. Vendel, Hellmuth Stachel: C2 Filling of Gaps by Convex Combination of Surfaces under Boundary Constraints | 41 |
Professional Papers | |
| Miljenko Lapaine: The Curve of Centres and the Curve of all Isotropic Focal points in the Conic Section pencil Given by Two Double points of an Isotropic Plane | 49 |
| Vlasta Szirovicza: The Conic Given by the Imaginary Elements | 55 |
| Dagmar Szarková, Kamil Maleček: A method for Creating Ruled Surfaces and its Modifications | 59 |
| Györgyi Führer Nagy: Some Remarks to the Paper "The Goose that Laid the Golden Egg" | 67 |
| Gunter Weiss, Hans Havlicek: Vertex- and Edge-Altitudes of a Tetrahedron | 71 |
Geometry and Graphics | |
| Miljenko Lapaine: Synonyms in Mathematical Terminology | 81 |
| Ana Sliepčević: How much do we Know about Perspective Collineation? | 86 |
| Lidija Pletenac: Hypar - the Approximation of a Minimal Surface | 88 |
News and Reports | 90 |
ABSTRACTS / SA®ECI |