7-polytopes

Rectified 7-simplexes

In seven-dimensional geometry, a rectified 7-simplex is a convex uniform 7-polytope, being a rectification of the regular 7-simplex. There are four unique degrees of rectifications, including the zeroth, the 7-simplex itself. Vertices of the rectified 7-simplex are located at the edge-centers of the 7-simplex. Vertices of the birectified 7-simplex are located in the triangular face centers of the 7-simplex. Vertices of the trirectified 7-simplex are located in the tetrahedral cell centers of the 7-simplex. (Wikipedia).

Rectified 7-simplexes
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Rectified Tesseract

This shows a 3d print of a mathematical sculpture I produced using shapeways.com. This model is available at http://shpws.me/2Uh3

From playlist 3D printing

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Sequences: Introduction to Solving Recurrence Relations

This video introduces solving recurrence relations by the methods of inspection, telescoping, and characteristic root technique. mathispower4u.com

From playlist Sequences (Discrete Math)

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Basic Whole number Subtraction Using the Number Line

The video explains how to model basic whole number subtraction using the number line.

From playlist Addition and Subtraction of Whole Numbers

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Find a Recurrence Definition and Solve the Recurrence Relation of a Given Sequence

This lesson explains how to determine a recursive definition for a given sequence. The the recurrent relation is solve using the characteristic root technique. mathispower4u.com

From playlist Sequences (Discrete Math)

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Ex: Finding Terms in a Sequence Given a Recursive Formula

This video provides two examples of how to find the terms in a sequence given a(n), which is a recursive sequence formula. Site: http://mathispower4u.com Blog: http://mathispower4u.wordpress.com

From playlist Sequences

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The structure of noncollapsed Gromov-Hausdorff limit spaces - Jeff Cheeger [2017]

slides for this talk: https://drive.google.com/file/d/1pvkn4Qew5ZHrDpvs9txzFOsFFDqYfA3E/view?usp=sharing Name: Jeff Cheeger Event: Workshop: Geometry of Manifolds Event URL: view webpage Title: The structure of noncollapsed Gromov-Hausdorff limit spaces with Ricci Curvature bounded below

From playlist Mathematics

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Solve a Recurrence Relation Using the Telescoping Technique

This video explains how to solve a recurrence relation using the method of telescoping. mathispower4u.com

From playlist Sequences (Discrete Math)

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What is the recursive formula and how do we use it

👉 Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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Extreme teardown - Simplex 35mm cinema projector - Part 8 Ballast

A teardown of the Strong International 7kW Xenon short arc lamp ballast

From playlist Teardowns

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Jeroen Schillewaert: Constructing highly regular expanders from hyperbolic Coxeter groups

Thursday 17 November 2022 Jeroen Schillewaert, University of Auckland Abstract: Given a string Coxeter system (W,S), we construct highly regular quotients of the 1-skeleton of its universal polytope P, which form an infinite family of expander graphs when (W,S) is indefinite and P has fin

From playlist SMRI Seminars

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Holomorphic Curves and the ADHM Vortex Equations by Aleksander Doan

PROGRAM: VORTEX MODULI ORGANIZERS: Nuno Romão (University of Augsburg, Germany) and Sushmita Venugopalan (IMSc, India) DATE & TIME: 06 February 2023 to 17 February 2023 VENUE: Ramanujan Lecture Hall, ICTS Bengaluru For a long time, the vortex equations and their associated self-dual fie

From playlist Vortex Moduli - 2023

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Erlend Fornæss Wold: Symplectic Carleman approximation on co-adjoint orbits

For a complex Lie group $G$ with a real form $G_{0}\subset G$, we prove that any Hamiltionian automorphism $\phi$ of a coadjoint orbit $\mathcal{O}_{0}$ of $G_{0}$ whose connected components are simply connected, may be approximated by holomorphic $O_{0}$-invariant symplectic automorphism

From playlist Analysis and its Applications

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Minimal Models by Somnath Basu

PROGRAM DUALITIES IN TOPOLOGY AND ALGEBRA (ONLINE) ORGANIZERS: Samik Basu (ISI Kolkata, India), Anita Naolekar (ISI Bangalore, India) and Rekha Santhanam (IIT Mumbai, India) DATE & TIME: 01 February 2021 to 13 February 2021 VENUE: Online Duality phenomena are ubiquitous in mathematics

From playlist Dualities in Topology and Algebra (Online)

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How to use the recursive formula to evaluate the first five terms

👉 Learn all about recursive sequences. Recursive form is a way of expressing sequences apart from the explicit form. In the recursive form of defining sequences, each term of a sequence is expressed in terms of the preceding term unlike in the explicit form where each term is expressed in

From playlist Sequences

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Bourbaki - 24/01/15 - 2/4 - Luigi AMBROSIO

The regularity theory of area-minimizing integral currents

From playlist Bourbaki - 24 janvier 2015

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Ricci Curvature: Some Recent Progress and Open Questions - Jeff Cheeger [2016]

Slides for this talk: https://drive.google.com/open?id=1p9JK7EXKLyy_WxIfbrw02wjjoRm5E1je Name: Jeff Cheeger Event: Simons Collaboration on Special Holonomy Workshop Event URL: view webpage Title: Ricci Curvature: Some Recent Progress and Open Questions Date: 2016-09-09 @1:15 PM Location:

From playlist Mathematics

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Determine Recursive Formulas for Sequences

This video explains how to find recursive formulas for a sequence. mathispower4u.com

From playlist Sequences (Discrete Math)

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Applying the recursive formula to a sequence to determine the first five terms

👉 Learn all about recursive sequences. Recursive form is a way of expressing sequences apart from the explicit form. In the recursive form of defining sequences, each term of a sequence is expressed in terms of the preceding term unlike in the explicit form where each term is expressed in

From playlist Sequences

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Decision 1 OCR Q6 Jan 2011 Past Paper Question

Powered by https://www.numerise.com/ Answer to simplex method question Q6 Jan 2011 www.hegartymaths.com http://www.hegartymaths.com/

From playlist Decision Maths 1 OCR Exam Board (A-Level tutorials)

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Rectified 5-cell | 5-simplex | 1 33 honeycomb | Intersection (set theory) | Vertex figure | 7-simplex | Schläfli symbol | Facet (geometry) | Harold Scott MacDonald Coxeter | Tetrahedron | Uniform 7-polytope | Convex polytope | 2 51 honeycomb | 5-cell | Rectification (geometry) | Coxeter group | Octagon | Petrie polygon | Octahedron | Geometry | Triangle