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Macaulay2 web site
Posets
::
moebiusFunction
moebiusFunction -- returns Moebius function values
Ways to use
moebiusFunction
:
moebiusFunction(Poset)
-- returns the Moebius function values for the unique minimal element to each element of the poset
moebiusFunction(Poset,Thing,Thing)
-- returns the Moebius function values for the minimal element of a closed interval to each element of the interval