Arthur Cayley

Chester A. Arthur: Turning Tables (1881 - 1885)

Chester Arthur took office upon the assassination of James Garfield. Garfield was liked, but Arthur was not, as people didn't trust his big shot New York stylings. But he surprised them all by doing a lot of good during his time in office, pushing issues of reform. Even still, it wasn't en

From playlist American History

Ulysses S. Grant: Civil War Hero (1869 - 1877)

Ulysses S. Grant is best known as the general of the Union Army that brought an end to the Civil War, by getting General Robert E. Lee to surrender. But he also served as a two-term president, and he wasn't a bad one at that. He has been accused of considerable corruption, but he also did

From playlist American History

The Cayley Expansion (feat. David Eisenbud) - Objectivity 174

David Eisenbud joins us at The Royal Society to look at the work of one of his all time favourite mathematicians. More links below ↓↓↓ Featuring David Eisenbud speaking with Brady and Keith Moore. Subscribe to Objectivity: http://bit.ly/Objectivity_Sub Check out David on Numberphile: h

From playlist David Eisenbud on Numberphile

Astronomy Cast 330 - Arthur C. Clarke

Arthur C. Clarke was one of the greatest science fiction writers of all time. He defined the genre, and revolutionized our ideas about what it will take to become a true space faring civilization. In the first of our two part series on Arthur C. Clarke, we examine the man's life and his bo

From playlist Astronomy Cast

Millard Fillmore: Last of the Whigs (1850 - 1853)

There's a reason you've never heard of Millard Fillmore. He wasn't that good of a president. He was so mediocre that he pretty much killed off the Whig Party. But it's still worth learning a bit about him, so let's take a look! Script by Michael Thomas Watch the whole American History pl

From playlist American History

Group Multiplication Tables | Cayley Tables (Abstract Algebra)

When learning about groups, it’s helpful to look at group multiplication tables. Sometimes called Cayley Tables, these tell you everything you need to know to analyze and work with small groups. It’s even possible to use these tables to systematically find all groups of small order! Be

From playlist Abstract Algebra

Lyndon B. Johnson: A Tragic Figure (1963 – 1969)

Lyndon Johnson ascended to the presidency upon the assassination of John F. Kennedy. He was a large, imposing man, who had been an influential Senate Majority Leader and Vice President. And as President, it is difficult to say whether he is remembered better for his incredible domestic acc

From playlist American History

Chapter 7: Group actions, symmetric group and Cayley’s theorem | Essence of Group Theory

Group action can be thought of as a homomorphism to a symmetric group, so apart from orbit-stabiliser theorem, we can also use the isomorphism theorem to analyse any group action. It turns out that this correspondence between group action and homomorphism can be visualised rather easily. T

From playlist Essence of Group Theory

The Newton Fractal Explained | Deep Dive Maths

A Newton fractal is obtained by iterating Newton's method to find the roots of a complex function. The iconic picture of this fractal is what I call The Newton Fractal, and is generated from the function f(z)=z^3-1, whose roots are the three cube roots of unity. What is the history of th

From playlist Deep Dive Maths

Visual Group Theory, Lecture 1.2: Cayley graphs

Visual Group Theory, Lecture 1.2: Cayley graphs In this lecture, we introduce a visual way to "map out" a group using an object called a Cayley graph. This concept is a useful visualization tool, but it is often omitted entirely from traditional Abstract Algebra classes. Course webpage (

From playlist Visual Group Theory

Regular permutation groups and Cayley graphs

Cheryl Praeger (University of Western Australia). Plenary Lecture from the 1st PRIMA Congress, 2009. Plenary Lecture 11. Abstract: Regular permutation groups are the 'smallest' transitive groups of permutations, and have been studied for more than a century. They occur, in particular, as

From playlist PRIMA2009

TEDxCaltech - Stephen Hawking, John Preskill, Rives, Kip Thorne - Finding Things Out

Stephen Hawking is a theoretical physicist and cosmologist, whose scientific books and public appearances have made him an academic celebrity. He is known for his contributions to the fields of cosmology and quantum gravity, especially in the context of black holes. He has also achieved su

From playlist TEDxCaltech - 1/14/11

Sir Charles G. Darwin - This I Believe (1950s) - Radio broadcast

Charles Galton Darwin, the grandson of Sir Charles Darwin, was an English physicist. Director of the National Physical Laboratory (NPL) during the Second World War.

From playlist Voices of History

Can you Find your Soulmate Using Maths? | Earth Lab

Can maths work out how to increase your chance of finding "the one" when dating? Surprisingly, there's a mathematical formula to help in the quest for love. Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The

From playlist How To Find Love Online

Robert Bosch - Figurative Subgraphs - G4G13 Apr 2018

Given a graph (a collection of dots and line segments connecting certain pairs of dots) and a target image, we form subgraphs that look like the image.

From playlist G4G13 Videos

John Tyler: His Accidency (1841 - 1845)

John Tyler was the first person to ever be president without being elected president. That's because he took over for William Henry Harrison when he died a month into his term, as it was decided that the vice president should become the president in such a circumstance. He turned his back

From playlist American History

Am I Smarter than my Students' Homework? Professor vs. Computer Quiz Bowl [Expo]

This is a single lecture from a course. If you you like the material and want more context (e.g., the lectures that came before), check out the whole course: https://boydgraber.org/teaching/CMSC_470/ (Including homeworks and reading.)

From playlist Human-Computer QA

De Gaulle - Force of Character

Portraits of Power - DeGaulle - Force of Character Narrated by Henry Fonda Charles André Joseph Marie de Gaulle was a French general and statesman who led the Free French Forces during World War II. He later founded the French Fifth Republic in 1958 and served as its first president from

From playlist Portraits of Power - Those who shaped the Twentieth Century

Does the Universe have Higher Dimensions? Part 1

Signup for your FREE trial to The Great Courses Plus here: http://ow.ly/6ymM30rvhBa What do physicists mean when they talk about higher dimensional spaces, or space-times? How could we possibly not have noticed if space was not three-dimensional? In this first part, we will talk about th

From playlist Physics

Arthur Schopenhauer - Bryan Magee & Frederick Copleston (1987)

Frederick Copleston and Bryan Magee discuss the work of the 19th century German philosopher Arthur Schopenhauer in this 1987 program. Schopenhauer is perhaps most famous for his extreme pessimism. Seeing the world as something horrific and bleak, he urged that we turn against it. As a foll

From playlist Bryan Magee Interviews - The Great Philosophers (1987)