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Why this s.e.s. splits?

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#modules #homological-algebra #injective-module
71
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Is direct sum of injective modules quasi-injective

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#direct-sum #injective-module
211
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Injective and quasi injective modules

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#injective-module
241
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Is $\mathbb{Q}_p/\mathbb{Z}_p$ an injective $\mathbb{Z}_p$-module?

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#homological-algebra #p-adic-number-theory #injective-module
51
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Is the delta module injective?

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#modules #homological-algebra #injective-module #d-modules
88
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Equivalent condition to exactness

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#modules #homological-algebra #exact-sequence #injective-module
49
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Injective Linear transformation .

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#functions #injective-module
59
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If (co)domain of map of chain complexes is in(pro)jective, then every quasi-isomorphism is a homotopy equivalence

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#homological-algebra #projective-module #injective-module
65
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whether the function is injective surjective or both

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#functions #injective-module
407
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Why can't an embedding have self-intersections?

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#general-topology #derivatives #differential-geometry #injective-module #continuous-homomorphisms
49
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Injectivity of the $\mathbb{Z}$ -module $\mathbb{Z}(p^\infty)$

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#abstract-algebra #commutative-algebra #modules #injective-module
356
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Existence of Projective Cover

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#abstract-algebra #category-theory #modules #projective-module #injective-module
88
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If $I$ injective then $\operatorname{Hom}_R(M,I)=0$ imply $M=0$?

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#commutative-algebra #modules #injective-module
184
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Hartshorne's proof of Lemma III.3.3. (Localization of injective module is surjective)

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#algebraic-geometry #commutative-algebra #homological-algebra #injective-module
777
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Properties of injective modules

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#abstract-algebra #category-theory #homological-algebra #injective-module #algebraic-k-theory

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