#5037: Bug fixes and new functionalities for Words library
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Reporter: slabbe | Owner: slabbe
Type: enhancement | Status: new
Priority: major | Milestone: sage-combinat
Component: combinatorics | Keywords:
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Add to Word Morphism the following functions :
* {{{__add__()}}} that merges two Word Morphisms on disjoint domain.
* {{{restriction(self, alphabet)}}} that returns a new Word Morphism
constructed from self by restricting the domain to Words over the given
alphabet.
* {{{disjoint_alphabet(self)}}}, for involutions only, that returns a
partition A,B,C of the alphabet s.t. self(A) = B, self(B)=A and self(C) =
C.
'''Note : I am still not convince of those three names.'''
Fix in Word Morphism the following function :
* {{{is_involution(self)}}} : should first check that self is an
endomorphism
Fix in word.py the following functions :
* {{{colored_vector}}} : Fails on empty word.
Add in word.py the following possibilities:
* {{{colored_vector}}} : Put a label on the graphical word displayed.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5037>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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