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Some commutative algebra 阅读全文
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Hom和$\otimes$如何把我绕晕 阅读全文
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Some pictures I really want to draw... 阅读全文
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日常破案——时隔一年的谜团终于解开 阅读全文
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Trianglated categories and derived categories are two thing I heard but do not learn for sake of short in motivations. 阅读全文
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Elementary Baire Category Theory (The theory of small) 阅读全文
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Elementary Tauberian Theory 阅读全文
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总算安顿下来了…… 阅读全文