Journal for Geometry and Graphics
Volume 29 (2025)
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R. Manfrin Some Remarks on Arne Dür's Equation for Oblique Axonometry 1--5 [Abstract / Full Text] H. Katsuura Ex-Center-Tetrahedra 7--17 [Abstract / Full Text] J. Wittenburg, K. Egle Sums of Distances from a Point to the Faces of Polyhedra. Generalizations of Viviani’s Theorem 19--22 [Abstract / Full Text] S. Ouarab Developability Conditions and Position Vectors of Ruled Surfaces According to the Darboux Frame in E3 23--32 [Abstract / Full Text] Y. Minami Center of the Ellipse at the Base of a Cone with a Constant Base Area 33--42 [Abstract / Full Text] S. Abu-Saymeh, M. Hajja More Variations on Fermat Analogue of the Steiner-Lehmus Theorem 43--53 [Abstract / Full Text] R. Guo, N. Sönmez Inequalities in Triangle Geometry: From Spherical to Hyperbolic 55--63 [Abstract / Full Text] P. Csiba, D. Kamber-Hamzic, L. Németh, Z. Šabanac Invariant Lines and a Projective Geometric Generalisation of a Geometry Problem 65--77 [Abstract / Full Text] V. Alexandrov, E. Volokitin Steffen’s Flexible Polyhedron Is Embedded. A Proof via Symbolic Computations 79--88 [Abstract / Full Text] O. V. Sergeychuk, Y. V. Kozak, V. L. Martynov, N. F. Kozak Geometric Aspects of Heat Income Energy to Facades of Buildings 89--99 [Abstract / Full Text] S. Korotov, M. Krìžek On Min/Max Angle Conditions for Simplices in Arbitrary Space Dimension 101--106 [Abstract / Full Text] L. Ivanova Fitting Curves to Point Clouds: Targeted Approximation Methods for HBIM 107--123 [Abstract / Full Text] H.-P. Schroecker Book review of "The Universe of Conics" 125--125 [Abstract / Full Text] |
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H. Katsuura Angles of Skew Quadrilaterals and Tetrahedra 127--137 [Abstract / Full Text] T. Q. Hung Extension of the Formula for the Sum of Fourth Powers of Distances in Regular Polytopes 139--148 [Abstract / Full Text] M. S. Ali, I. Hamidine, I. O. Toudou, M. Hassirou Poisson Structures Compatible with the Metric of the Three-Dimensional Walker Manifold 149--159 [Abstract / Full Text] B. Klaassen Old Problem Revisited: Which Equilateral Convex Polygons Tile the Plane? 161--171 [Abstract / Full Text] K. Chomicz, M. Platek, K. Smolira, D. Wyrzykowski A Family of Eight-Point Conics Associated with the Cyclic Quadrilateral 173--185 [Abstract / Full Text] I. Taras, S. Pylypaka, A. Nesvidomin, T. Volina, O. Trokhaniak Continuous Bending of Surfaces of Rotation into Helical Surfaces 187--197 [Abstract / Full Text] M. Zamboj, J. Rada 3-D Shadows of 4-D Algebraic Hypersurfaces in a 4-D Perspective 199--221 [Abstract / Full Text] R. Molano, M. Avila, M. Homaei, P. G. Rodríguez, A. Caro An Efficient Method for Obtaining the Maximum k-Gon in a Closed Contour with Obstacles 223--254 [Abstract / Full Text] T. A. Nguyen, K. S. Yasumura, D. V. Tran, T. V. Phan Self-Image Multiplicity in a Concave Cylindrical Mirror 255--265 [Abstract / Full Text] G. Anatriello, S. Rossetto, G. Vincenzi Tangential n-gons with Commensurability Conditions 267--275 [Abstract / Full Text] |