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Let A = c[Q]/I be a finite dimensional quotient of a path algebra over a quiver Q, with I being the ideal of relations.

Is it true that the I-adic completion of A has finite homological dimension?

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Do you really mean the $I$-adic completion of $A$, or do you mean the $I$-adic completion of $c[Q]$? (The ideal $I$ "becomes zero" in the factor algebra $A$.) –  Manny Reyes Jul 31 '13 at 14:44
    
To continue Manny's question, another thing you might mean is: the completion of A with respect to the ideal of all arrows. That is the completion which I have seen used (e.g., in representations of quivers with potential). –  Hugh Thomas Aug 15 '13 at 4:53
    
You're right: I meant the I-adic completion of c[Q]. –  andre Oct 18 '13 at 18:47
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