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15
73
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Basis of induced representation

Published on
#abstract-algebra #group-theory #vector-spaces #modules #representation-theory
110
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Tensor product of matrix modules over matrix ring

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#linear-algebra #matrices #modules #tensor-products
65
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chain map from a resolution to another injective resolution induced by linear map is unique up to chain homotopy equivalence

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#algebraic-topology #commutative-algebra #modules #homological-algebra #injective-module
82
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definition of chain homotopy

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#commutative-algebra #modules #homology-cohomology #homological-algebra #abelian-categories
45
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Understanding excision with another approach

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#algebraic-topology #modules #homological-algebra #simplicial-complex #free-modules
111
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Does $\operatorname{Ann}_B(B \otimes_A M) = (\operatorname{Ann}_A(M))^e$ when $M$ is finitely generated?

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#abstract-algebra #commutative-algebra #modules #tensor-products
49
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Exact sequence of tensor products when a module homomorphism is not an epimorphism

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#abstract-algebra #modules #tensor-products #exact-sequence
131
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Isotypical decomposition of a semisimple module

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#abstract-algebra #modules #representation-theory #noncommutative-algebra
63
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A module $M$ is finitely generated if and only if any increasing chain $M_i$ of submodules with union $M$ stabilizes.

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#abstract-algebra #modules #finitely-generated
51
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Help with proof of characterization of finitely generated modules over a PID

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#abstract-algebra #ring-theory #modules #finitely-generated
79
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Associativity of tensor product for (bi)modules

Published on
#modules #tensor-products
16
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Embedding of a topologically free algebra in another topologically free algebra

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#abstract-algebra #ring-theory #modules #free-modules
49
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Hom and Injective envelope

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#commutative-algebra #modules #homological-algebra #injective-module
102
Views

Infinite Product of Module categories over rings is not equivalent to Module category over infinite product of rings

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#category-theory #modules #abelian-categories
35
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relation between support and submodules

Published on
#commutative-algebra #modules #noetherian

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