Goal.
Explaining basic concepts of (a classical course in) algebra in an intuitive way.

This time.
What is...a group? Or: Abstract symmetries.

Disclaimer.
Nobody is perfect, and I might have said something silly. If there is any doubt, then please check the references.

Slides.
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Material used (some of the graphics).
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Material used (various Mathematica files).
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#algebra
#galoistheory
#mathematics

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