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comment Applications of the concept of homomorphism
... Something that adds some salt or spice. A sugar-coated pill to attach a Pavlovian feel-good factor to the concept. The more concrete the better.
Sep
3
comment Applications of the concept of homomorphism
@Qiaochu Yuan: I studied some algebra years ago, mostly on the basis of memorizing stuff to pass exams. It seemed on the whole to be a lot of abstract nonsense. In particular I was nonplussed by homomorphisms. It wasn't a concept that felt nice and good. It gave more a feeling of discomfort. Then the other day I wrote the question about arithmetic of n-dimensional arrays and the above example about polynomial solutions occured to me and suddenly the concept of homomorphism felt good so I guess I'm looking for more examples that improve the taste of the concept of homomorphisms. more...
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asked Applications of the concept of homomorphism
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