viXra:1204.0097 [pdf]
submitted on 2012-04-27 09:27:47
Authors: Ion Patrascu, Florentin Smarandache
Comments: 3 Pages.
In this article we will introduce the quasi-isogonal Cevians and we’ll emphasize on
triangles in which the height and the median are quasi-isogonal Cevians.
 viXra:1204.0096 [pdf]
submitted on 2012-04-27 09:29:37
Another Proof of the I. Pătraşcu’s Theorem
Authors: Florentin Smarandache
Comments: 2 Pages.
In  professor Ion Pătraşcu proves the following theorem:
The Brocard’s point of an isosceles triangle is the intersection of the medians and the
perpendicular bisectors constructed from the vertexes of the triangle’s base, and reciprocal.
We’ll provide below a different proof of this theorem than the proof given in  and .
 viXra:1204.0016 [pdf]
replaced on 2013-02-24 19:54:30
Equidistant Curve Coordinate System(3 Dimensions(3), Inversions(2), Pseudo-Sphere)
Authors: Morio Kikuchi
Comments: 8 Pages.
A constant of length in an orthogonal sphere agrees with a constant of length in a plane which passes through origin.