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Applied Categorical Structures - Thomas Streicher asked on the category theory mailing list whether every essential, hyperconnected, local geometric morphism is automatically locally connected. We... 相似文献
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Semigroup Forum - FitzGerald identified four conditions (RI), (UR), (RI*) and (UR*) that are necessarily satisfied by an algebra if its monoid of endomorphisms has commuting idempotents. We show... 相似文献
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Applied Categorical Structures - We systematically investigate, for a monoid M, how topos-theoretic properties of $${{\,\mathrm{\mathbf {PSh}}\,}}(M)$$ , including the properties of being atomic,... 相似文献
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