Journal for Geometry and Graphics
Volume 25 (2021)
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B. Odehnal Isoptic Ruled Surfaces of Developable Surfaces 1--17 [Abstract / Full Text] J. Siegele, M. Pfurner, H.-P. Schröcker Space Kinematics and Projective Differential Geometry Over the Ring of Dual Numbers 19--31 [Abstract / Full Text] A. Szilárd Similar Trapezoids on the Sides of a Triangle 33--44 [Abstract / Full Text] H. Al-Zoubi, T. Hamadneh, M. Abu Hammad, M. Al-Sabbagh Tubular Surfaces of Finite Type Gauss Map 45--52 [Abstract / Full Text] Ch. van Tienhoven, D. Pellegrinetti Quadrigon Geometry: Circumscribed Squares and Van Aubel Points 53--59 [Abstract / Full Text] T. Q. Hung, N. T. T. Duong Generalizations of Fagnano's Problem 61--69 [Abstract / Full Text] T. H. S. Li On Pepe Trapezoids 71--78 [Abstract / Full Text] F. Giudiceandrea, L. Grasselli From M. C. Escher's Hexagonal Tiling to the Kiepert Hyperbola 79--95 [Abstract / Full Text] H. Stachel Isometric Billiards in Ellipses and Focal Billiards in Ellipsoids 97--118 [Abstract / Full Text] M. Dalcín, S. N. Kiss Some Properties of the García Reflection Triangles 119--126 [Abstract / Full Text] G. Weiß, P. Pech A Quadratic Mapping Related to Frégier's Theorem and Some Generalisations 127--137 [Abstract / Full Text] N. Sato An Analysis of Vermeer's Perspective in Composition 139--154 [Abstract / Full Text] |
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S. Pylypaka, T. Kresan, O. Trokhaniak, I. Taras, I. Demchuk Parametric Equations of a Spatial Curve as a Function of Length of the Arc with Given Dependences of Curvature and Angle of Ascent 163--170 [Abstract / Full Text] J. Wittenburg Polyhedral Cylinders Formed by Kokotsakis Meshes 171--186 [Abstract / Full Text] N. Phat Nguyen Projective Line Revisited 187--195 [Abstract / Full Text] H. Katsuura Dihedral Angles of 4-Ball Tetrahedra 197--204 [Abstract / Full Text] R. Alves Garcia, B. Odehnal, D. Reznik Poncelet Porisms in Hyperbolic Pencils of Circles 205--225 [Abstract / Full Text] M. Lassak A Note on Some Generalizations of Monge's Theorem 227--230 [Abstract / Full Text] G. Vincenzi On a Proof of the Thabit Ibn Qurra's Generalization of the Pythagorean Theorem 231--241 [Abstract / Full Text] H. Katsuura Angles of Isosceles Tetrahedra 243--251 [Abstract / Full Text] T. Q. Hung Extending a Theorem of van Aubel to the Simplex 253--263 [Abstract / Full Text] T. V. Phan, A. Doan A Curious Use of Extra Dimension in Classical Mechanics: Geometrization of Potential 265--270 [Abstract / Full Text] G. Maresch, S. A. Sorby Perspectives on Spatial Thinking 271--293 [Abstract / Full Text] G. Asti, L. Asti Pentagon from Side Using the Internal Golden Section 295--300 [Abstract / Full Text] |