Geodesic
On Extensions for Gentle Algebras
Canadian journal of mathematics, Tome 73 (2021) no. 1, pp. 249-292

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DOI

We give a complete description of a basis of the extension spaces between indecomposable string and quasi-simple band modules in the module category of a gentle algebra.
DOI : 10.4153/S0008414X2000005X
Mots-clés : gentle algebra, extensions, bounded derived category, homotopy string and bands, string combinatorics 
Çanakçı, İlke; Pauksztello, David; Schroll, Sibylle. On Extensions for Gentle Algebras. Canadian journal of mathematics, Tome 73 (2021) no. 1, pp. 249-292. doi: 10.4153/S0008414X2000005X
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     author = {\c{C}anak\c{c}{\i}, \.Ilke and Pauksztello, David and Schroll, Sibylle},
     title = {On {Extensions} for {Gentle} {Algebras}},
     journal = {Canadian journal of mathematics},
     pages = {249--292},
     year = {2021},
     volume = {73},
     number = {1},
     doi = {10.4153/S0008414X2000005X},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X2000005X/}
}
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