Tag Archives: topology

Kinks?

I’ve just been at a conference called “Kinks 2”, or that might be “knkx 2” (I never saw it written down). But look at the list of topics: dynamics, functional equations, infinite combinatorics and probability. How could I resist that? … Continue reading

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A crash course on group theory

I have just finished a crash course on group theory at Universidade de Lisboa. The notes are here. From the preface: On a visit to Universidade de Lisboa in November 2016, I was asked to give a “crash course” in … Continue reading

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A precious jewel

One of my favourite textbooks is Simmons’ Introduction to Topology and Modern Analysis. In the introduction, the author distinguishes two types of mathematics: the rare jewels, like the formula saying that the Riemann zeta function evaluated at 2 is π2/6; … Continue reading

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