GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
############################################################################# ## ## Relative.gd Graded Modules package ## ## Copyright 2008-2010, Mohamed Barakat, University of Kaiserslautern ## Markus Lange-Hegermann, RWTH Aachen ## ## Declarations of procedures for the relative situation. ## ############################################################################# #################################### # # global functions and operations: # #################################### # basic operations: DeclareOperation( "RelativeRepresentationMapOfKoszulId", [ IsHomalgModule, IsHomalgRing ] ); DeclareOperation( "RelativeRepresentationMapOfKoszulId", [ IsHomalgModule ] ); DeclareOperation( "DegreeZeroSubcomplex", [ IsHomalgComplex, IsHomalgRing ] ); DeclareOperation( "DegreeZeroSubcomplex", [ IsHomalgComplex ] );