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Better inverses #1021

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merged 47 commits into from
Nov 8, 2024
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5065769
Stub
james-d-mitchell Jun 25, 2024
56b10cb
Add possibly better method for InversesOfSemigroupElementNC
james-d-mitchell Jun 28, 2024
e874b8f
delete Nambooripad Method for Transformation Semigroup
Tianrun-Y Jul 1, 2024
d42b687
change inverses to a set
Tianrun-Y Jul 2, 2024
073e25a
change filter into IsMultiplicativeElementWithOne as it is required f…
Tianrun-Y Jul 2, 2024
d8dd7e1
add the AsSet to the test rather than the method
Tianrun-Y Jul 2, 2024
f40c494
fix consecutive empty lines
Tianrun-Y Jul 3, 2024
a7ab1d3
fix RightGreensMultiplierNC does not work on fp semigroups where ther…
Tianrun-Y Jul 4, 2024
1f5b58f
fix comment
Tianrun-Y Jul 4, 2024
99c1fc6
add OneInverseOfSemigroupElement and fix small issues
Tianrun-Y Jul 4, 2024
b86b177
fix declaration and filter problem
Tianrun-Y Jul 26, 2024
1849da6
Update gap/attributes/attr.gi
Tianrun-Y Jul 29, 2024
377d20d
Update gap/attributes/attr.gi
Tianrun-Y Jul 29, 2024
793bd63
fix formatting for gaplint
Tianrun-Y Jul 29, 2024
91309d0
Merge branch 'better-inverses' of github.com:/Tianrun-Y/Semigroups in…
Tianrun-Y Jul 29, 2024
479991a
fix issue
Tianrun-Y Jul 29, 2024
b760696
Update gap/attributes/attr.gi
Tianrun-Y Jul 29, 2024
b7327f1
Update gap/attributes/attr.gi
Tianrun-Y Jul 29, 2024
c967c92
fix issue
Tianrun-Y Jul 30, 2024
ee7cef2
Update gap/attributes/attr.gi
Tianrun-Y Jul 30, 2024
fff144c
Merge branch 'main' into better-inverses
Tianrun-Y Jul 30, 2024
ece58f0
addnon-no-check version of OneInverse, and a NC version for cannot us…
Tianrun-Y Jul 30, 2024
81a7cd3
fix small issues in the previous commit
Tianrun-Y Jul 30, 2024
aefbad1
Update gap/attributes/attr.gi
Tianrun-Y Jul 30, 2024
abc2e85
add declaration of OneInverseOfSemigroupElement
Tianrun-Y Jul 30, 2024
7149d71
Merge branch 'better-inverses' of github.com:/Tianrun-Y/Semigroups in…
Tianrun-Y Jul 30, 2024
7b23dbb
add documentation of OneInverseOfSemigroupElement
Tianrun-Y Jul 30, 2024
c969b11
fix formatting for gaplint
Tianrun-Y Jul 31, 2024
7cccf7c
fix syntax error
Tianrun-Y Jul 31, 2024
80b17ec
add test for OneInverseOfSemigroupElement
Tianrun-Y Jul 31, 2024
60ed671
addMultiplicativeNeutralElement as a return
Tianrun-Y Jul 31, 2024
a695534
addMultiplicativeNeutralElement as a return for the other one
Tianrun-Y Jul 31, 2024
0367685
update documentation for LeftGreensMultiplier
Tianrun-Y Jul 31, 2024
554e0dd
fix filter problem
Tianrun-Y Jul 31, 2024
513712b
fix filter problem and also add test
Tianrun-Y Jul 31, 2024
82d81bd
fix test problems
Tianrun-Y Jul 31, 2024
428e039
fix gaplint
Tianrun-Y Jul 31, 2024
1707bf6
fix test
Tianrun-Y Jul 31, 2024
f276972
add example in documentation
Tianrun-Y Aug 1, 2024
29eab45
Update doc/attr.xml
Tianrun-Y Aug 7, 2024
3f93d05
if there is no inverse
Tianrun-Y Aug 7, 2024
6508fc6
merge
Tianrun-Y Aug 7, 2024
54e651a
delete merge remnants
Tianrun-Y Aug 7, 2024
bf02a27
add to chapter
Tianrun-Y Aug 7, 2024
2b441e0
fix small issue
Tianrun-Y Aug 7, 2024
7f989c0
fix example format
Tianrun-Y Aug 7, 2024
1914eb5
Merge branch 'main' into better-inverses
james-d-mitchell Nov 8, 2024
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delete Nambooripad Method for Transformation Semigroup
  • Loading branch information
Tianrun-Y committed Jul 1, 2024
commit e874b8f6a4ffc07eccd7f13da2782817ef70c59d
13 changes: 0 additions & 13 deletions gap/attributes/attr.gi
Original file line number Diff line number Diff line change
Expand Up @@ -1052,19 +1052,6 @@ function(S)
return out;
end);

InstallMethod(NambooripadPartialOrder, "for a transformation semigroup",
[IsTransformationSemigroup],
function(S)
local elts, p, func, out, i, j;

if not IsRegularSemigroup(S) then
ErrorNoReturn("the argument (a semigroup) is not regular");
elif IsInverseSemigroup(S) then
return NaturalPartialOrder(S);
fi;

# DO SOME MAGIC
end);

InstallMethod(NambooripadLeqRegularSemigroup, "for a semigroup",
[IsSemigroup],
Expand Down