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 …
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 …
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 …
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 …