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positiveRoots
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positiveRoots -- the set of all positive roots
Ways to use
positiveRoots
:
positiveRoots(RootSystem)
-- the set of all positive roots
positiveRoots(RootSystem,Parabolic)
-- the set of all positive roots in a parabolic sugroups
For the programmer
The object
positiveRoots
is
a
method function
.