GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
############################################################################# ## ## OrbifoldTriangulation.gd SCO package Simon Goertzen ## ## Copyright 2007-2008 Lehrstuhl B für Mathematik, RWTH Aachen ## ## Declaration stuff for Orbifold Triangulations. ## ############################################################################# ## DeclareCategory( "IsOrbifoldTriangulation", IsAttributeStoringRep ); ## DeclareGlobalFunction( "OrbifoldTriangulation" ); ## DeclareOperation( "Vertices", [ IsOrbifoldTriangulation ] ); ## DeclareOperation( "Simplices", [ IsOrbifoldTriangulation ] ); ## DeclareOperation( "Isotropy", [ IsOrbifoldTriangulation ] ); ## DeclareOperation( "Mu", [ IsOrbifoldTriangulation ] ); ## DeclareOperation( "MuData", [ IsOrbifoldTriangulation ] ); ## DeclareOperation( "InfoString", [ IsOrbifoldTriangulation ] );