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Pretty mathematical paper but very interesting. You can follow it with elementary linear algebra notions (if you learned them of course ;))

It's hard to believe that two PhD students came up with all of this. I think they got some help from their professors :)

I don't think you've been in academia much. Professors just put their names on things :)

Actually I have.

And top notch professors -- such as those at Stanford -- will generally not do that.

And top notch students -- such as those at Stanford -- don't necessarily need professors to come up with things like this.

It was a joke, by the way.