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thehighergeometer.wordpress.com | ||
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bartoszmilewski.com
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| | | | | This is part 12 of Categories for Programmers. Previously: Declarative Programming. See the Table of Contents. It seems like in category theory everything is related to everything and everything can be viewed from many angles. Take for instance the universal construction of the product. Now that we know more about functors and natural transformations, can... | |
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www.jeremykun.com
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| | | | | This post is mainly mathematical. We left it out of our introduction to categories for brevity, but we should lay these definitions down and some examples before continuing on to universal properties and doing more computation. The reader should feel free to skip this post and return to it later when the words "isomorphism," "monomorphism," and "epimorphism" come up again. Perhaps the most important part of this post is the description of an isomorphism. | |
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thehousecarpenter.wordpress.com
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| | | | | A natural transformation is an operation on a category, or more precisely a family of operations, one for each object in the category, which is preserved by morphisms in the category. Each operation in the family is associated with a specific object $latex A$ in the category, which it is said to be on. The... | |
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thisandthatthenextpart.wordpress.com
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| | | There used to be tables between the benches that face each other. | ||
