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15
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Inverse limit of the group $\mathbb{Q}_p$ of $p$-adic numbers

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#group-theory #reference-request #p-adic-number-theory #limits-colimits
108
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$k:A\to 0$ implies $A\cong 0$

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#solution-verification #category-theory #limits-colimits #topos-theory
84
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Category is equivalent to the colimit of its finite subcategories and colimit in Cat

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#category-theory #limits-colimits #equivalence-of-categories
148
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Profinite spaces are either finite or uncountable

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#general-topology #limits-colimits
41
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Direct system where all maps are injections

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#abstract-algebra #category-theory #limits-colimits
344
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Continuous function space on a profinite group as a direct limit

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#reference-request #continuity #category-theory #limits-colimits #profinite-groups
90
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Ideals of direct limit of rings

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#abstract-algebra #ring-theory #limits-colimits
43
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Terminology: (Co)equalizer of a family of morphisms?

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#abstract-algebra #category-theory #terminology #limits-colimits #morphism
72
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(co)limits of polynomial rings $R[x]/(x^n)$

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#polynomials #limits-colimits
56
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Direct limit of Cyclic Groups

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#group-theory #cyclic-groups #limits-colimits
156
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Size-issues in the definition of categorical limits

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#abstract-algebra #category-theory #definition #limits-colimits #functors
88
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Two definitions of categorical limits

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#abstract-algebra #category-theory #definition #limits-colimits #yoneda-lemma
83
Views

How many universal cones from $\Delta_{A\times A}$ to D?

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#category-theory #limits-colimits #natural-transformations
83
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Inclusion functor is final?

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#general-topology #algebraic-topology #category-theory #limits-colimits #adjoint-functors
26
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Help studying the derived functor of the limit functor

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#algebraic-topology #soft-question #book-recommendation #limits-colimits #derived-functors

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