Finite fields | Finite groups | Matroid theory
In combinatorial mathematics, a Dowling geometry, named after Thomas A. Dowling, is a matroid associated with a group. There is a Dowling geometry of each rank for each group. If the rank is at least 3, the Dowling geometry uniquely determines the group. Dowling geometries have a role in matroid theory as universal objects (Kahn and Kung, 1982); in that respect they are analogous to projective geometries, but based on groups instead of fields. A Dowling lattice is the geometric lattice of flats associated with a Dowling geometry. The lattice and the geometry are mathematically equivalent: knowing either one determines the other. Dowling lattices, and by implication Dowling geometries, were introduced by Dowling (1973a,b). A Dowling lattice or geometry of rank n of a group G is often denoted Qn(G). (Wikipedia).
Linear Algebra: Continuing with function properties of linear transformations, we recall the definition of an onto function and give a rule for onto linear transformations.
From playlist MathDoctorBob: Linear Algebra I: From Linear Equations to Eigenspaces | CosmoLearning.org Mathematics
To construct a PENTAGON with ruler (straightedge) and compass
Geometrical construction of a pentagon with Euclidean Tools Follow me: http://www.twitter.com/dantecardoso
From playlist Math
Introduction to Projective Geometry (Part 1)
The first video in a series on projective geometry. We discuss the motivation for studying projective planes, and list the axioms of affine planes.
From playlist Introduction to Projective Geometry
#Cycloid: A curve traced by a point on a circle rolling in a straight line. (A preview of this Sunday's video.)
From playlist Miscellaneous
What is a Quadrilateral? – Geometric Shapes – Geometry
Quadrilaterals all have four sides, but they all look a little different. How many kinds of quadrilaterals do you know? In this video we’ll talk about the different types of quadrilaterals. These geometric shapes include the square, rectangle, parallelogram, trapezoid and rhombus. Anot
From playlist Euclidean Geometry
Trigonometry 6 The Sine of the Sum and the Difference of Two Angles
A description of the sine function of the sum and difference of two angles.
From playlist Trigonometry
June Huh is awarded the Fields Medal 2022 for bringing the ideas of Hodge theory to combinatorics, the proof of the Dowling–Wilson conjecture for geometric lattices, the proof of the Heron–Rota–Welsh conjecture for matroids, the development of the theory of Lorentzian polynomials, and the
From playlist IMU Awards
Singular Hodge theory of matroids - Jacob Matherne
Short talks by postdoctoral members Topic: Singular Hodge theory of matroids Speaker: Jacob Matherne Affiliation: Member, School of Mathematics Date: Oct 1, 2018 For more video please visit http://video.ias.edu
From playlist Mathematics
Hyperbola 3D Animation | Objective conic hyperbola | Digital Learning
Hyperbola 3D Animation In mathematics, a hyperbola is a type of smooth curve lying in a plane, defined by its geometric properties or by equations for which it is the solution set. A hyperbola has two pieces, called connected components or branches, that are mirror images of each other an
From playlist Maths Topics
4 lessons the US learned from the COVID-19 pandemic | Michael Dowling | Big Think
4 lessons the US learned from the COVID-19 pandemic Watch the newest video from Big Think: https://bigth.ink/NewVideo Learn skills from the world's top minds at Big Think Edge: https://bigth.ink/Edge ---------------------------------------------------------------------------------- As th
From playlist Michael Dowling | Big Think
Can better data defeat the next pandemic? | Michael Dowling | Big Think
Can better data defeat the next pandemic? Watch the newest video from Big Think: https://bigth.ink/NewVideo Learn skills from the world's top minds at Big Think Edge: https://bigth.ink/Edge ---------------------------------------------------------------------------------- This coronavirus
From playlist Michael Dowling | Big Think
London. SCU. & CU. Stephen Murray and Beatrice Campbell signing autographs. CU. Hands signing autographs - two shots. NCU. Patricia Plunkett, pan to Derek Farr, pan to Beatrice Campbell. CU. Patricia Plunkett. CU. Stephen Murray. CU. Campbell and Murray, pan to Farr, pan to Plunkett. CU.
From playlist Film Stars | British Pathé
Determine if a set of points is a trapezoid or not
👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of quadrilateral has its properties. Given four points that repr
From playlist Quadrilaterals on a Coordinate Plane
Why health care should start long before you reach the hospital | Michael Dowling | Big Think
Why health care should start long before you reach the hospital New videos DAILY: https://bigth.ink Join Big Think Edge for exclusive video lessons from top thinkers and doers: https://bigth.ink/Edge ---------------------------------------------------------------------------------- The av
From playlist Michael Dowling | Big Think
How one NY hospital system treated 128,000+ COVID cases | Michael Dowling | Big Think
How one NY hospital system treated 128,000+ COVID cases Watch the newest video from Big Think: https://bigth.ink/NewVideo Learn skills from the world's top minds at Big Think Edge: https://bigth.ink/Edge ----------------------------------------------------------------------------------
From playlist Michael Dowling | Big Think
How leaders influence people to believe | Michael Dowling | Big Think
How leaders influence people to believe Watch the newest video from Big Think: https://bigth.ink/NewVideo Learn skills from the world's top minds at Big Think Edge: https://bigth.ink/Edge -------------------------------------------------------------------------------- What does it take to
From playlist Michael Dowling | Big Think
The projective Quadruple quad formula | Rational Geometry Math Foundations 148 | NJ Wildberger
In this video we introduce the projective version of the Quadruple quad formula, which not only controls the relationship between four projective points, but has a surprising connection with the geometry of the cyclic quadrilateral. The projective quadruple quad function is called R(a,b,
From playlist Math Foundations
The unexpected cost of living for a very long time | Michael Dowling | Big Think
The unexpected cost of living for a very long time Watch the newest video from Big Think: https://bigth.ink/NewVideo Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Medical advances have in
From playlist Michael Dowling | Big Think
Projective view of conics and quadrics | Differential Geometry 9 | NJ Wildberger
In this video we introduce projective geometry into the study of conics and quadrics. Our point of view follows Mobius and Plucker: the projective plane is considered as the space of one-dimensional subspaces of a three dimensional vector space, or in other words lines through the origin.
From playlist Differential Geometry
How to reduce gun violence without taking people’s guns
How to reduce gun violence without taking people’s guns Watch the newest video from Big Think: https://bigth.ink/NewVideo Learn skills from the world's top minds at Big Think Edge: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Ap
From playlist Michael Dowling | Big Think