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All  -cotilting modules are pure-injective |
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| Authors: | Jan Stoví cek |
| Institution: | Faculty of Mathematics and Physics, Department of Algebra, Charles University, Sokolovská 83, 186 75 Prague 8, Czech Republic |
| Abstract: | We prove that all  -cotilting  -modules are pure-injective for any ring  and any  . To achieve this, we prove that  is a covering class whenever  is an  -module such that  is closed under products and pure submodules. |
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