Abstract
We will use Watts’s theorem together with Lenzing’s characterization of finitely presented modules via commuting properties of the induced tensor functor in order to study commuting properties of covariant Ext-functors.
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Research supported by the CNCS-UEFISCDI grant PN-II-RU-TE-2011-3-0065.
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Breaz, S. Modules M such that \({\rm {\bf Ext}}_{{\bf \textit{R}}}^{\bf{1}}{({\bf \textit{M}},-)}\) Commutes with Direct Limits. Algebr Represent Theor 16, 1799–1808 (2013). https://doi.org/10.1007/s10468-012-9382-y
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DOI: https://doi.org/10.1007/s10468-012-9382-y