CoCalc -- Abelian.g

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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

Project: cocalc-sagemath-dev-slelievre

Path: gap4r8 / pkg / ExamplesForHomalg-2017.09.02 / examples / Abelian.g

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## Abelian.g
Read( "ReducedBasisOfModule.g" );

## abelian category: [HS, Prop. II.9.6]
d := Resolution( W );
d2 := CertainMorphism( d, 2 );
C_coker := CokernelSequence( d2 );
C_ker := KernelSequence( d2 );