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Proposition 3.2.7 of Bland on short exact sequences, part 2

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#abstract-algebra #modules #exact-sequence
648
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split epimorphims and direct sum

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#abstract-algebra #modules
52
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What is the necessary and sufficient condition that $\mathbb{Z}/m\mathbb{Z}$ is a $\mathbb{Z}/n\mathbb{Z}$-module?

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#abstract-algebra #modules
384
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Submodule of a torsion module

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#abstract-algebra #modules #principal-ideal-domains
235
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Sub-modules of finitely generated free $\mathbb{Z}$-module

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#modules
214
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Modules over commutative absolutely flat rings vs. vector spaces

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#linear-algebra #abstract-algebra #soft-question #modules
143
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submodules of a group algebra

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#abstract-algebra #modules #group-rings
119
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Ideals of Nagata Trivialization

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#abstract-algebra #commutative-algebra #modules #ideals
383
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Universal property for the "countably-direct" sum

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#abstract-algebra #category-theory #modules #universal-property
83
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Maps of modules over a ring in terms of ring actions

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#abstract-algebra #modules
107
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An equivalent formulation of the definition of a projective module

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#abstract-algebra #ring-theory #modules #homological-algebra #projective-module
113
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Sum of a faithfully flat module and a flat module

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#modules #homological-algebra #projective-module #flatness
89
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Freeness of endomorphism module

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#commutative-algebra #modules #projective-module
325
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Augmentation ideal of graded algebra.

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#abstract-algebra #modules #graded-rings
178
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How can I give an explicit presentation of the ring of differential operators over a smooth variety?

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#algebraic-geometry #modules #differential-operators #d-modules

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