Jan 9 2012

Lord of the Rings

One Ring to fail them all...

Today we’ve started learning about Rings. That was the first thing that popped into my head. Yeah, I know, a bit lame…


Jan 3 2012

Snow White

Surely not this ugly girl...

For those of you who doesn’t know Linear Algebra (yet…), the matrix on the blackboard is a reflection matrix, when multiplying with a \mathbb R^{2} vector, the matrix will change the sign of the x coordinate, therefor it will create a reflected image of the vector.

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Jan 2 2012

Q wants to break free!

God knows got to make it on my own. So baby can't you see, I've got to break free.

Today in Algebraic structures class we’ve learned about free groups. And learned that \mathbb Q (the rationals) is not a free group…