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Resumen de Reduced torsion pairs

Otto Kerner

  • Let H be a finite dimensional hereditary algebra of infinite representation type over an algebraically closed field. A torsion pair (T,F) in H-mod is called reduced if there are no indecomposable Ext-projective modules in T as well as no nonzero Ext-injective modules in F. An anti-chain of reduced torsion pairs of width card K will be constructed.


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