The duality theory and the basic isomorphisms of group systems and nets and co-nets of group systems (Q2653013)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The duality theory and the basic isomorphisms of group systems and nets and co-nets of group systems |
scientific article |
Statements
The duality theory and the basic isomorphisms of group systems and nets and co-nets of group systems (English)
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1945
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group system
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countable set of abelian groups
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boundary operator
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homology groups
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duality theorems
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Alexander duality
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Poincaré-Pontryagin duality
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