About

Welcome! This weblog was created by three Cornell mathematicians to talk about whatever math was on our minds. The closest approximation to a unifying theme is Geometry, in that geometry is an integral part of the math we do.

Contributors:

Jim Belk is a post-doc at Texas A&M. He graduated from Cornell in 2004 as a student of Ken Brown. He enjoys Thompson’s group and solving things with pictures.

Greg Muller is a graduate student at Cornell who works with Yuri Berest. He enjoys algebraic geometry and solving things by generalizing to a context where the solution is obvious.

Matt Noonan is a graduate student at Cornell. He enjoys differential geometry and solving things by making a boat, and then not caring about the problem because he has a boat.

Guest Posters:

Jim Pivarski

Peter Samuelson

Peter Luthy

A note on the categories:

We employ two kinds of category: by author and by difficulty level. The difficulty levels are there as a crude method of indicating what level we presume, as well as providing the option of generating a version of this blog which omits entries aimed above your head. The levels are:

High School: For a broad audience, presuming little or nothing besides some basic mathematical maturity.

Undergraduate: Typically for undergraduates who have taken some introductory courses to ‘math after calculus’. Might require a semester of algebra, analysis, topology or geometry.

Basic Grad Student: This is meant to be the kind of topic one could give a graduate student colloquium on. These shouldn’t assume anything not found in the first two years of graduate study.

Anything else won’t have a difficulty category, and might consist of advanced topics and research-level material. Hopefully, we will try to make known in the first few paragraphs who should be able to read these.

A note on the tags:

As far as our tags go, we try to tag posts with the appropriate arxiv subject. If enough math blogs do this, then those tags should be able to generate journal-style compilations of posts on a topic.

9 Responses to “About”

  1. Rami Nasser Says:

    Great job guys, you might be interested in checking out

    http://sciencehack.com/videos/category/10

    for educational math videos.

  2. jd2718 Says:

    Hey, how did I miss this? A little math at my level, a bunch more not so far beyond me that I can’t learn, and then, oh well, the one-day-if-I-really-study stuff.

    I like this group blog idea. You’ve done something nice with it.

    Jonathan

  3. srivatsan Says:

    Hey, I am CS student and i am joining Cornell CS dept next year. I hope to know more abt life at Cornell through you guys.. btw …nice blog
    Cheers!

  4. William Lee Says:

    Our website Science.org is a informational databases and online news publication for anything and everything related to science and technology. We recently ran a poll asking our website users regarding what online informational resources they use to keep up to date or even to simply find great information. It seems many of our users have labeled your blog as an excellent source of Space information. We have reviewed your blog and must say, we absolutely love the information you have made available to the public and would love to make your blog a part of our top science blogs. After browsing your blog, our research team has decided to award you a Top science Blogs award banner.

  5. Cory Poole Says:

    Here is a little video that my brother, a cousin, and I made with the help of 30 of my high school math students. We built a 64 foot Sierpinski triangle out of about 12000 tortilla chips and then made a humorous and exciting commercial for Doritos to be entered in a contest. While it didn’t win, I was quite happy with the result and having my students learn some more about fractals. Please check out the video and the project page showing some of the making of. Please feel free to post on your blog if you think it’s worthy.

    http://www.blownapartstudios.com/
    Thanks,

  6. Chara Derion Says:

    Hey, great post. Can you tell me what theme you’re using? I would like to use the theme for my insurance web-site. Thanks again for the information and maintain up the seriously great work. I will be returning and will check your further posts.

  7. Imitation is the sincerest (form) of flattery | ateixeira Says:

    [...] no particular reason I checked out their about page (since I was very late to their party I think that this was the first time I did that) and I found [...]

  8. iman Says:

    this site is pure awesome!
    thank you guys…it is so generous of you to share these.

  9. iman Says:

    HI.can I ask a question?
    having in mind the maxwell-boltzmann distrubution of velocities we want to find the force excerted on a uniformly moving object (Velocity=V) with cross-section (A).there are (n0) molecules per volume in the air and the air has temperature (T) and molecules have mass (m).find the force as a function of the erf function.
    It isnt on any book(as far as I know) and I just came up with it during studying molecular physics.I’ve derived an expression two…and it converges to what we expect for large V or small V but Im not sure I did it right…

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