. muEC::TYP::IsSkewDiag – tests whether the argument is a skew diagram
The muEC::TYP::IsSkewDiag function tests whether expr is a skew diagram that is a a list with two components l1 and l2, l1 being the exterior shape, l2 the interior shape. The corresponding diagram of boxes must be connected, that is .
Skew diagrams are special cases of skew partitions.
Call:
muEC::TYP::IsSkewDiag(expr)
Parameters:
|
expr: |
any expression |
Related Functions:
muEC::TYP::IsPart, muEC::TYP::IsSkewPart
muEC::TYP::IsSkewDiag( [[3,1,1], [2,1]] );
muEC::TYP::IsSkewPart( [[3,1,1], [2,1]] );
muEC::TYP::IsSkewDiag( [[3,2], [1,1]] );
