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

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#############################################################################
##
##  LocalizeRingAtPrimeBasic.gi                    LocalizeRingBasic package
##
##  Copyright 2013, Mohamed Barakat, University of Kaiserslautern
##                  Vinay Wagh, Indian Institute of Technology Guwahati
##
##  Implementations of procedures for "fake" localized rings.
##
#############################################################################

####################################
#
# global variables:
#
####################################

InstallValue( CommonHomalgTableForFakeLocalRingsBasic,
        
        rec(
BasisOfRowModule :=
  function( M )

    Error( "BasisOfRowModule is not supported over fake local rings\n" );
    
end,

BasisOfColumnModule :=
  function( M )
    
    Error( "BasisOfColumnModule is not supported over fake local rings\n" );
    
  end,

BasisOfRowsCoeff :=
  function( M, T )

    Error( "BasisOfRowsCoeff is not supported over fake local rings\n" );    
    
  end,

BasisOfColumnsCoeff :=
  function( M, T )
      
      Error( "BasisOfColumnsCoeff is not supported over fake local rings\n" );    

  end,

DecideZeroRows :=
  function( A, B )
      
      Error( "DecideZeroRows is not supported over fake local rings\n" );    
      
  end,

DecideZeroColumns :=
  function( A, B )
      
      Error( "DecideZeroColumns is not supported over fake local rings\n" );    
      
  end,

DecideZeroRowsEffectively :=
  function( A, B, T )
      
      Error( "DecideZeroRowsEffectively is not supported over fake local rings\n" );    
      
  end,

DecideZeroColumnsEffectively :=
  function( A, B, T )
      
      Error( "DecideZeroColumnsEffectively is not supported over fake local rings\n" );    
      
  end,

SyzygiesGeneratorsOfRows :=
  function( M )
    
      Error( "SyzygiesGeneratorsOfRows is not supported over fake local rings\n" );    
      
  end,

RelativeSyzygiesGeneratorsOfRows :=
  function( M, N )
    
      Error( "RelativeSyzygiesGeneratorsOfRows is not supported over fake local rings\n" );    
      
  end,

SyzygiesGeneratorsOfColumns :=
  function( M )
        
      Error( "SyzygiesGeneratorsOfColumns is not supported over fake local rings\n" );    
      
  end,
  
RelativeSyzygiesGeneratorsOfColumns :=
  function( M, N )
        
      Error( "RelativeSyzygiesGeneratorsOfColumns is not supported over fake local rings\n" );    
      
  end,

            )
);