i1 : P = poset({a,b,c,d,e,f,g}, {(a,b), (a,c), (a,d), (b,e), (c,e), (c,f), (d,f), (e,g), (f,g)}) o1 = Poset{cache => CacheTable{} } GroundSet => {a, b, c, d, e, f, g} RelationMatrix => | 1 1 1 1 1 1 1 | | 0 1 0 0 1 0 1 | | 0 0 1 0 1 1 1 | | 0 0 0 1 0 1 1 | | 0 0 0 0 1 0 1 | | 0 0 0 0 0 1 1 | | 0 0 0 0 0 0 1 | Relations => {(a, b), (a, c), (a, d), (b, e), (c, e), (c, f), (d, f), (e, g), (f, g)} o1 : Poset |
i2 : moebiusFunction(P,b,g) o2 = HashTable{b => 1 } e => -1 g => 0 o2 : HashTable |
i3 : moebiusFunction(P,g,b) o3 = HashTable{b => 1 } e => -1 g => 0 o3 : HashTable |