[PDF][PDF] On Pohlke's type projections in the hyperbolic case
R Manfrin - Int. J. Geom, 2024 - academia.edu
Abstract Let OP1, OP2, OP3 be three non-parallel segments in a plane ω. We find the
necessary and sufficient conditions for the existence of the common inscribed ellipse EI and …
necessary and sufficient conditions for the existence of the common inscribed ellipse EI and …
[PDF][PDF] A note on a secondary Pohlke's projection
R Manfrin - Int. J. Geom, 2022 - ijgeometry.com
Given three segments OP1, OP2, OP3 in a plane ω, which are not contained in a line, we
find a simple condition for the existence of two distinct ellipses centered at O and …
find a simple condition for the existence of two distinct ellipses centered at O and …
[PDF][PDF] Parallel Projected Sphere on a Plane: A New Plane–Geometric Investigation
TL Toulias, GE Lefkaditis - International Electronic Journal of …, 2017 - dergipark.org.tr
Consider three concentric ellipses Ei, i= 1, 2, 3, each defined by a pair of conjugate semi–
diameters taken from a given bundle of three coplanar line segments (where only two of …
diameters taken from a given bundle of three coplanar line segments (where only two of …
[PDF][PDF] On the Circumscribing Ellipse of Three Concentric Ellipses
GE Lefkaditis, TL Toulias, S Markatis - Forum Geom, 2017 - academia.edu
Consider three coplanar non-degenerate line segments OA, OB, and OC, where only two of
them can be collinear. Three concentric ellipses are then formed, say c′ 1, c′ 2, and c′ 3 …
them can be collinear. Three concentric ellipses are then formed, say c′ 1, c′ 2, and c′ 3 …
[PDF][PDF] Some results on Pohlke's type ellipses
R Manfrin - Int. J. Geom, 2022 - ijgeometry.com
Vol. 11 (2022), No. 3, 86 - 101 SOME RESULTS ON POHLKE’S TYPE ELLIPSES Page 1
INTERNATIONAL JOURNAL OF GEOMETRY Vol. 11 (2022), No. 3, 86 - 101 SOME RESULTS …
INTERNATIONAL JOURNAL OF GEOMETRY Vol. 11 (2022), No. 3, 86 - 101 SOME RESULTS …
[PDF][PDF] Double Contact Conics in Involution
G Lefkaditis, A Taouktsoglou - Journal for Geometry and …, 2024 - heldermann-verlag.de
Three coplanar line segments OA, OB, OC are given and three concentric ellipses C1, C2,
C3 are defined, so that every two of the segments are conjugate semi-diameters of one …
C3 are defined, so that every two of the segments are conjugate semi-diameters of one …
[PDF][PDF] Family of Conics Having Double Contact with two Intersecting Ellipses
A Taouktsoglou, G Lefkaditis - Journal for Geometry and …, 2023 - heldermann-verlag.de
Family of Conics Having Double Contact with two Intersecting Ellipses Page 1 Journal for
Geometry and Graphics Volume 27 (2023), No. 1, 11–28 Family of Conics Having Double …
Geometry and Graphics Volume 27 (2023), No. 1, 11–28 Family of Conics Having Double …
[PDF][PDF] On the Orthogonality of a Median and a Symmedian
N Singhal - Mathematica Panonica, 2017 - forumgeom.fau.edu
On the Orthogonality of a Median and a Symmedian Page 207 Forum Geometricorum Volume
17 (2017) 203–206. FORUM GEOM ISSN 1534-1178 On the Orthogonality of a Median and a …
17 (2017) 203–206. FORUM GEOM ISSN 1534-1178 On the Orthogonality of a Median and a …
[PDF][PDF] ON POLHKE'S TYPE PROJECTIONS IN THE CYLINDRICAL CASE
R Manfrin - 2023 - researchgate.net
Given three non-parallel segments OP1, OP2, OP3 in a plane ω, we consider the ellipses
EP1, P2, EP2, P3, EP3, P1 having as conjugate semi-diameters the pairs (OP1, OP2),(OP2 …
EP1, P2, EP2, P3, EP3, P1 having as conjugate semi-diameters the pairs (OP1, OP2),(OP2 …
Plane-Geometric Investigation of a Proof of the Pohlke's Fundamental Theorem of Axonometry
TL Toulias - Modern Discrete Mathematics and Analysis: With …, 2018 - Springer
Consider a bundle of three given coplanar line segments (radii) where only two of them are
permitted to coincide. Each pair of these radii can be considered as a pair of two conjugate …
permitted to coincide. Each pair of these radii can be considered as a pair of two conjugate …