Self-Pivoting Convex Quadrangles - Paris Pamfilos LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học Geometricorum một bài viết cực...
Rectangles Circumscribing a Quadrangle - Paris Pamfilos LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học Geometricorum một bài viết...
Parabola Conjugate to Rectangular Hyperbola - Paris Pamfilos LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học Geometricorum một bài...
On some elementary properties of quadrilaterals - Paris Pamfilos We study some elementary properties of convex quadrilaterals related to the idea...
Gergonne meets Sangaku - Paris Pamfilos In this article we discuss the relation of some hyperbolas, naturally associated with the Gergonne point...
Putting the icosahedron into the octahedron - Paris Pamfilos We compute the dimensions of a regular tetragonal pyramid, which allows a cut by a...
A characterization of the rhombus - Paris Pamfilos In this article we discuss a simple characterization of the rhombus by considering the...
On the diagonal and inscribed pentagons of a pentagon - Paris Pamfilos In this article we study two projective maps f and g, naturally associated...
The triangle construction - Paris Pamfilos We study the problem of constructing a triangle from the data {α, b-c, t_A}, t_A being the length of...
Some remarks on a Sangaku from Chiba - Paris Pamfilos In this article we present solutions of a Sangaku problem and related generalizations...
A gallery of conics by five elements - Paris Pamfilos This paper is a review on conics defined by five elements, i.e., either lines to which the...
The associated harmonic quadrilateral - Paris Pamfilos In this article we study a natural association of a harmonic quadrilateral to every...
Pairings of circles and Sawayama's theorem - Paris Pamfilos In this article we study pairs of projectively related circles, tangent to a fixed...
On tripolars and parabolas - Paris Pamfilos Starting with an analysis of the configuration of chords of contact points with two lines, defined on...
Triangles with given incircle and centroid - Paris Pamfilos In this article we study the set of triangles sharing a common incircle and a common...
Three maximal cyclic quadrangles - Paris Pamfilos We study three problems concerning the determination of the maximal cyclic quadrangle under...
Conic homographies and bitangent pencils - Paris Pamfilos Conic homographies are homographies of the projective plane preserving a given conic....
On the Newton line of a quadrilateral - Paris Pamfilos We introduce the idea of the conjugate polygon of a point relative to another polygon and...
Orthocycles, bicentrics, and orthodiagonals - Paris Pamfilos We study configurations involving a circle (orthocycle) intimately related to a...
The cyclic complex of a cyclic quadrilateral - Paris Pamfilos To every cyclic quadrilateral corresponds naturally a complex of sixteen cyclic...