Abstract
We prove that the pure global dimension of a polynomial ring over an integral domain k in a finite or countable number n⩾2 of commuting (non-commuting, resp.) variables is t + 1, provided |k| = ℵ t . As an application, we determine the pure global dimension of wild algebras of quiver type, also (in case k is an algebraically closed field) of the wild local and wild commutative algebras of finite k-dimension.
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