# Best online mathematics videos?

I know of two good mathematics videos available online, namely:

1. Sphere inside out (part I and part II)
2. Moebius transformation revealed

Do you know of any other good math videos? Share.

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The sphere eversion video is available in one part on Google Videos: bit.ly/2Bmj3Z –  Harrison Brown Oct 21 '09 at 20:33
Also, shouldn't this be community wiki...? –  Harrison Brown Oct 21 '09 at 21:57
@harrison: yes. @Justin: please make these kinds of posts (anything where you say "one answer per post") community wiki in the future. Do not just wait for a moderator to forcibly convert it to community wiki. –  Anton Geraschenko Oct 21 '09 at 22:51

This video is less about mathematics, but about a fascinating mathematician in two bodies who helped saving medieval unicorns - students liked it.

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On this page of sample animations using the k3d program there's a short animation of a "flower" blooming which is actually the first part of the sphere eversion.

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This isn't purely a math video, it's an interview with Peter Woit and it is something of a summary of the main issues discussed on his blog and in his book. He talks about math vs. physics culture, especially the string theory community.

http://bigthink.com/peterwoit

Discussion here:

http://www.math.columbia.edu/~woit/wordpress/?p=2670

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John Stillwell - ET Math: How different could it be? A nice talk given at the SETI Institute.

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Among the best math videos can be found here: http://www.khanacademy.org/

There is everything from counting to solving differential equations with Laplace transforms - nearly 1.000 videos altogether (and the guy is funny :-)

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Ken Ribet's introductory lecture on Serre's modularity conjecture. Useful and quite easy to follow and understand. http://fora.tv/2007/10/25/Kenneth_Ribet_Serre_s_Modularity_Conjecture

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For a course on cluster algebras (by S. Fomin): http://qgm.au.dk/video/clusalg/

EDIT: Some graduate short-courses in FCEyN, UBA, Buenos Aires, Argentina:

• J. Harris, Intersection Theory
• R. Hartshorne, Introduction to Deformation Theory
• D. Maclagan, Introduction to Tropical Algebraic Geometry
• P. Beelen, Algebraic Geometric Codes

Here are the links to the videos of these 4 lectures.

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An excellent (and very lively) overview of basic one-variable calculus: Calculus I in 20 minutes: Part I, Part II.

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I'd like to think that my math art is awesome, and start here.

the mapping behind that video is $(x,y,z)\rightarrow(2*cos(z-y),2*sin(x-z),7*cos(y-x))$, and has a singular Jacobian -- the immediate ramification of which is that there is overlap in the video.

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The Abdus Salam International Centre for Theoretical Physics has lots of lectures in mathematics and physics.Some of them are difficult to find in other places(Complex Analysis,Abstract Algebra,Topology,Functional Analysis,Algebraic Geometry..).For the same topic(ex:Complex Analysis)there are lectures by 2 ore more lecturers so you can choose. http://www.ictp.it/ http://www.ictp.tv/diploma/index07-08.php?activityid=MTH http://www.ictp.tv/diploma/index08-09.php?activityid=MTH

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A few talks under the heading "What is ..." (",,," could be "Morse Theory", for example) given at the Freie Universität Berlin can be found here:

http://www.scivee.tv/user/5216

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Timothy Gowers' "The Important of Mathematics" never fails to instill a sense of purpose in my work, even when I feel I'm doing "useless" mathematics.

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Richard Feynman gave the 1964 Messenger Lectures at Cornell University --- this is an endowed lecture series to which a number of famous scholars have been invited, including several physicists. His lectures were recorded, and Bill Gates bought the rights to them and has provided them to the public for free.

http://research.microsoft.com/apps/tools/tuva/index.html

The content is mostly designed for a general audience, so if you have never learned physics you will learn something. And if you have studied plenty of physics already, you will be pleased to see the master at work in his prime. I very much enjoyed watching it.

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The famous proof of the snake lemma in the 1980's movie It's my turn (can be found on utube).

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At the time of writing, Rutgers experimental mathematics seminar has over 200 videos up on youtube. I wish more seminars would do this!

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I am quite surprised to see Dan Freed's lecture of Hodge Conjecture has not been mentioned. (Although it is an old thread I believe this should be in here. Before there was a QuickTime video but I am grateful to find that it has been youtubed.)

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As of today, the digitized tapes of CBMS Lectures on Probability Theory and Combinatorial by Michael Steele are online. I heartily recommend them — the style is informal, but educating: there are jokes, juggling lessons, speculations about the stock market, and all of these amidst beautiful mathematics.

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Sir Michael Atiyah: Beauty in Mathematics (with subtitle: click me)

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A nice introduction to representation theory of compact lie groups, sl2(R) and other topics: http://www.math.utah.edu/vigre/minicourses/sl2/schedule.html

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is a video made by a student in the school of arichitecture using pov-ray is about algebraic surfaces and how they "deform"

there are a few more animations at the following url

they are part of on-going project about the visualization of mathematics (being developed by group of mathematicians and architects)

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Some talks on history by some leading mathematicians (mostly in French):

http://www.archivesaudiovisuelles.fr/FR/_LibraryThemas.asp?thema=541

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The University of New South Wales in Sydney has an eLearning channel on YouTube that contains lectures on a number of topics, including Algebraic Topology, Calculus, and Linear Algebra. Some computing and engineering topics are covered as well.

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The complete introductory course on Algebraic Geometry by Miles Reid is very interesting (28 lectures following and extending his own undergraduate book on the subject), and his other set of lectures on Algebraic Surfaces.

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Searching for a video relating to another question, I found this: My Calculus Project

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David Cox's lectures in toric varieties at MSRI

Something really good to end the evening with :)

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