Homological dimension
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Homological dimension refers to a number of related concepts in homological algebra:
- Projective dimension, a homological dimension based on projective resolutions
- Injective dimension, a homological dimension based on injective resolutions
- Flat dimension, a homological dimension based on flat resolutions
- Global dimension, a homological dimension of a ring based on the projective and injective dimensions of its modules
- Weak global dimension, a homological dimension of a ring based on flat dimensions of its modules
- Cohomological dimension, the homological dimension of a group
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