Extensions multiples de catégories
Keeping an historical and unifying point of view, the cohomology of (small) categories in higher orders is interpreted by extensions of categories: double extensions and n-fold extensions.
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Format: | Article |
Language: | English |
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Sapienza Università Editrice
2006-01-01
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Series: | Rendiconti di Matematica e delle Sue Applicazioni |
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Online Access: | https://www1.mat.uniroma1.it/ricerca/rendiconti/ARCHIVIO/2006(3-4)/351-365.pdf |