Announcements, written 1 week ago, Sanjeev Khanna reminds us that FOCS early registration deadline is Oct 3, 2008. Get your cheesesteak on !CFP for the 2009 sausage convention (with beer!!): Deadline is Nov 24 (abstracts), Dec 1 (papers)

Toric Geometry II - Toric Varieties, written 6 days ago, Last time we did a bunch of stuff with fans and polytopes and made a lot of definitions. This time, we get to use that stuff to do some algebraic geometry. First up, we'll need to define some lattice in some vector space, otherwise nothing we ...

On writing Python one-liners., written 1 week ago, # I'm off to the Oregon Shakespeare Festival for the weekend so no# time to finish my Untangling series. But I do have time to post this...# The other day someone asked me if it was possible to implement a# certain task in one line of Python. My res...

Two Years of Vinny, written 2 days ago, At this moment two years ago today, I was in all kinds of pain because I hadn't yet given in to common sense and requested an epidural.Today, as I scrubbed the kitchen floor, I thought about how different from that day two years ago is today. I'd much rather s...

Math Infomerical, written 3 weeks ago, _uacct = "UA-2445868-1"; urchinTracker();

Does This Mean That The Phone Company Did Kill Kennedy?: Even More on Keith Devlin, Multiplication, and Repeated Addition, written 6 days ago, A recent post on the continuing conversations, fights, and debates inspired by Keith Devlin's recent trio of columns on problems he and some mathematics educ...

I started my blog to write about early childhood math education. It has led me to blog a lot about education policy. The U.S. currently ranks 25 our 29 developed nation in math education for high school students. It needs to change.

EducationWA milestone, written 20 hours ago, A bit of posting trivia.. reached the big triple... 100 blog items, 500 visitors and the 1000 page hit mark..I updated the header.. I had a bit of a dig at the edubabble acronyms usually pedalled out at uni and PD days. The fourth word in the logo is supp...

This is a maths site which contain posts concerning explanation of maths principle and their applications. It also deals with ways to lessen the anxiety involved in learning and teaching.

Cauchy-Schwarz via tensor product, written 6 days ago, I'm a teaching assistant for the freshman "multivariable calculus with extra pain" class this term, and we went over Cauchy's inequality for a couple weeks ago. One of the homework problems from that week asked for a proof of Bunyakovs...

Euler's Rotation theorem in 3D, written 1 week ago, Any rigid body displacement where a point is fixed is equivalent to a rotation. I saw this neat proof from Don Koks' Explorations in Mathematical Physics. By the hypothesis Hence is orthogonal and But should vary continuously from the identity tran...

Science Debate 2008, written 2 weeks ago, I'm adding this to my reading list.  I haven't had time to look at it in any depth but it seems worth the time of any informed voter also interested in the future of scientific research: Sciencedebate2008.com: The Story In November, 2007, a small group of s...

This site provides free math lessons, puzzles, brain teasers, illusion pictures and much more...

Vintage Compliment, written 1 week ago, From wikipedia's preamble about Toronto, Ohio:Toronto is a 2nd largest city in Jefferson County, Ohio, United States, along the Ohio River. The population was 5,676 at the 2000 census.The area was first settled in the 19th century, when it was known as Newburg...

A blog created for sharing e strategies of teaching mathematics.

Windows Media Center Cannot Play Video, written 3 days ago, This happens on 64bit editions of vista. download and install thishttp://www.softpedia.com/get/Multimedia/Video/Codec-Packs-Video-Codecs/VistaCodecs-x64Components.shtml Voila!

While I wasn't watching…, written 2 weeks ago, While I was off being distracted by life this summer, Kara Hazen of Hazen Happenings and Mathman at When Will I Use This? had nice things to say about my Blog.  Kara listed me among three "non-classmate" blogs she added to her RSS reader. ...

Paperdolls!, written 1 day ago, The topology of paper doll folding patterns explains geometrical symmetries, as Chaim explains in this short video: (And much more deeply in The Symmetries of Things.) The video was produced by Research Frontiers, at the University of Arkansas

Things Work Out OK -- Characteristic 2, written 19 hours ago, Today I was going to finish up the TA observations that I started last week. I woke up early to go watch the 8:10am section of one TA (I have meetings and standing commitments that conflict with this TA's other sections). Unfortunately, I...

Using old software, written 9 hours ago, Using older software because it is familiar and does what you need.