烧瓶
发表于 2025-3-23 13:39:52
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infarct
发表于 2025-3-23 17:35:52
Kan Extensions,tal concepts in category theory. With them we find again that each fundamental concept can be expressed in terms of the others. This chapter begins by expressing adjoints as limits and ends by expressing “everything” as Kan extensions.
一窝小鸟
发表于 2025-3-23 20:06:12
https://doi.org/10.1007/978-3-319-16333-8First we describe categories directly by means of axioms, without using any set theory, and call them “metacategories”. Actually, we begin with a simpler notion, a (meta)graph.
不成比例
发表于 2025-3-24 01:55:48
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评论性
发表于 2025-3-24 05:36:43
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CHIDE
发表于 2025-3-24 08:52:52
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CALL
发表于 2025-3-24 13:51:20
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LAPSE
发表于 2025-3-24 18:55:34
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Irremediable
发表于 2025-3-24 20:11:25
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ABHOR
发表于 2025-3-25 03:01:15
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