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What is a...Cayley complex?

Goal. Explaining basic concepts of algebraic topology in an intuitive way. This time. What is a...Cayley complex? Or: Groups geometrically Disclaimer. Nobody is perfect, and I might have said something silly. If there is any doubt, then please check the references. Disclaimer. These videos are concerned with algebraic topology, and not general topology. (These two are not to be confused.) I assume that you know bits and pieces about general topology, but not too much, I hope. Slides. http://www.dtubbenhauer.com/youtube.html Website with exercises. http://www.dtubbenhauer.com/lecture-a... Material used. Hatcher, Chapter 1 https://math.stackexchange.com/questi... Cayley graph. https://en.wikipedia.org/wiki/Cayley_... Cayley complexes. https://en.wikipedia.org/wiki/Present... https://math.stackexchange.com/questi... https://math.stackexchange.com/questi... https://math.stackexchange.com/questi... Pictures used. https://en.wikipedia.org/wiki/Torus#/... Hatcher’s book (I sometimes steal some pictures from there). https://pi.math.cornell.edu/~hatcher/... Always useful. https://en.wikipedia.org/wiki/Counter... Mathematica. https://reference.wolfram.com/languag... https://mathworld.wolfram.com/GridGra... #algebraictopology #topology #mathematics