In geometry, the Poncelet point of four given points is defined as follows: Let A, B, C, and D be four points in the plane that do not form an orthocentric system and such that no three of them are collinear. The nine-point circles of triangles ABC, BCD, CDA, and DAB meet at one point, the Poncelet point of the points A, B, C, and D. (If A, B, C, and D do form an orthocentric system, then triangles ABC, BCD, CDA, DAB all share the same nine-point circle, and the Poncelet point is undefined.) (Wikipedia).
Umberto Zannier - The games of Steiner and Poncelet and algebraic group schemes
November 13, 2017 - This is the first of three Fall 2017 Minerva Lectures We shall briefly present in very elementary terms the 'games' of Steiner and Poncelet, amusing mathematical solitaires of the XIX Century, also related to elliptic billiards. We shall recall that the finiteness of t
From playlist Minerva Lectures Umberto Zannier
Find the midpoint between two points w(–12,–7), T(–8,–4)
👉 Learn how to find the midpoint between two points. The midpoint between two points is the point halfway the line joining two given points in the coordinate plane. To find the midpoint between two points we add the x-coordinates of the two given points and divide the result by 2. This giv
From playlist Points Lines and Planes
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles, supplementary angles, linear pairs, etc. Vertical a
From playlist Angle Relationships
Compasses are overrated #some2
This video is about the Poncelet-Steiner Theorem
From playlist Summer of Math Exposition 2 videos
Geometers Abandoned 2,000 Year-Old Math. This Million-Dollar Problem was Born - Hodge Conjecture
The Hodge Conjecture is one of the deepest problems in analytic geometry and one of the seven Millennium Prize Problems worth a million dollars, offered by the Clay Mathematical Institute in 2000. It consists of drawing shapes known topological cycles on special surfaces called projective
From playlist Math
Muslim prostitute speaks about prostitution in Lahore, Pakistan
See the original video, by Ayesha Akram, here http://www.vjmovement.com/truth/533
From playlist Freedom
The ever-confusing tale of the two Edgware Roads. For more on Yerkes: https://youtu.be/MraW_Gkg0Zw For more on Whitaker Wright: https://youtu.be/RYT5lKC9btg The Circle Line thing: https://youtu.be/Bd_RD9rHrbQ Ko-Fi: https://ko-fi.com/jagohazzard Patreon: https://patreon.com/jagohazzard
From playlist London
Valeria Banica: Dynamics of almost parallel vortex filaments
Abstract: We consider the 1-D Schrödinger system with point vortex-type interactions that was derived by R. Klein, A. Majda and K. Damodaran and by V. Zakharov to modelize the dynamics of N nearly parallel vortex filaments in a 3-D incompressible fluid. We first prove a global in time res
From playlist Mathematical Physics
Sergei Nechaev - Anomalous Statistics of Extreme Random Processes
I plan to discuss three problems of extremal statistics in which unusual (but related to each other) features arise: a) statistics of two-dimensional ”stretched” random walks above a semicircle, b) spectral properties of sparse random matrices, c) statistics of one-dimensional paths in
From playlist Combinatorics and Arithmetic for Physics: special days
CCSS What is an angle bisector
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles, supplementary angles, linear pairs, etc. Vertical a
From playlist Angle Relationships
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A plane contains infinite number of lines. A ray is a li
From playlist Points Lines and Planes
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A plane contains infinite number of lines. A ray is a li
From playlist Points Lines and Planes
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A plane contains infinite number of lines. A ray is a li
From playlist Points Lines and Planes
CCSS What is the definition of a Midpoint
👉 Learn how to find the midpoint between two points. The midpoint between two points is the point halfway the line joining two given points in the coordinate plane. To find the midpoint between two points we add the x-coordinates of the two given points and divide the result by 2. This giv
From playlist Points Lines and Planes
Perspectives in Math and Art by Supurna Sinha
KAAPI WITH KURIOSITY PERSPECTIVES IN MATH AND ART SPEAKER: Supurna Sinha (Raman Research Institute, Bengaluru) WHEN: 4:00 pm to 5:30 pm Sunday, 24 April 2022 WHERE: Jawaharlal Nehru Planetarium, Bengaluru Abstract: The European renaissance saw the merging of mathematics and art in th
From playlist Kaapi With Kuriosity (A Monthly Public Lecture Series)
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A plane contains infinite number of lines. A ray is a li
From playlist Points Lines and Planes
The Incenter (X1) is the meet of the interior angle bisectors (which I like to call bilines). It is the first point on Clark Kimberling's list of triangle centers at the Enyclopedia of Triangle Centers, from which this Geometer's SKetchpad worksheet is taken. It is important to note that
From playlist Triangle Geometry
Journée de la Revue d’histoire des mathématiques - Nicolas Michel - 01/12/17
Journée de la Revue d’histoire des mathématiques (séance préparée par la rédaction de la RHM) Nicolas Michel (UMR SPHère, CNRS & Université Paris Diderot), « "Une proposition tantôt vraie, tantôt fausse" : autour de la controverse Chasles-De Jonquières » -----------------------------
From playlist Séminaire d'Histoire des Mathématiques
CCSS How to label collinear and coplanar points
👉 Learn how to label points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A point is labeled using a capital letter. A line can be labeled usi
From playlist Labeling Point Lines and Planes From a Figure