JADED 发表于 2025-3-28 17:22:19
ld provide an equally rich and interesting supply of examples. We also had to restrict the themes in our theoretical exposition. In spite of the fact that closure operators generalize the uni versal closure operations of abelian category theory and of topos- and sheaf theory, we chose to mention these aspect978-90-481-4631-4978-94-015-8400-5START 发表于 2025-3-28 19:28:51
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