web analytics

Posts made in November, 2013

Rubik’s Cubes And The Average Size Of Selmer Groups Of Elliptic Curves

Rubik’s Cubes And The Average Size Of Selmer Groups Of Elliptic Curves

Here's a fun number theory idea for you. Say you have a 3x3x3 matrix filled with numbers, including in the very center. So you have 27 numbers in a special 3-dimension configuration. Since there are three axis for such a cube, there are three ways of dividing such a cube into three 3×3 matrices and Once you do that you can get a cubic form by...

read more

The Unreasonable Effectiveness of Data And Why Science Is In Trouble

 Datasets are changing the way we approach the world around us. 10 years ago, you could get by doing terrible numerical models and make rookie statistical errors in understanding data and only 400 people would read it, while even fewer would understand it. Not any more, everyone can now parse data on the Internet so your clever analysis of fMRI images or convenient massaging of results...

read more

Even A 20 Percent Soda Tax Would Barely Impact Obesity

How much impact can taxes and bans have on the conduct of people? Quite a lot. A 500% tax would clearly reduce demand while outright bans of desired products keep law-abiding people from using a product - and make the others rich. In defiance of well-established history of resentment about government steering drink choices for freedom-loving westerners - the UK lost a whole colony when they...

read more