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It's about Robert Langlands of https://en.wikipedia.org/wiki/Langlands_program

>linking math’s main branches — number theory (once called arithmetic), harmonic analysis, which includes calculus, and geometry.

>To mathematicians, this is mind-blowing stuff. The branches deal with completely different things: number theory is about, yes, numbers, harmonic analysis studies motion and geometry deals with shapes. They may as well be different planets.

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Different planets on which you find all of Shakespeare's works, depsite no apparent common origin.

I think that may be an exxageration. I study maths at a much lower level and the teacher regarily points out links between these domains.

I believe number theory is already strongly linked with analysis.

Those links only became apparent after centuries of development in total isolation. Now that we know they are there, we involve them in teaching because they change how we see things.

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