The Ext-Algebra of a Representation-Fini
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Peter Brown
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Article
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1999
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Elsevier Science
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English
โ 157 KB
## Let be a basic representation-finite biserial finite-dimensional k-algebra. We describe a method for constructing a multiplicative basis and the bound quiver of the Ext-algebra E = mโฅ0 Ext m /r /r of using the Auslander-Reiten quiver of .