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CHANGES
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CHANGES
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==========================================================================
Changes from version 1.34 to 1.35:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
ElementIn_vA_AsElementInIndecProj
FromMatrixToHomomorphismOfProjectives
LeftSupportQuiverAlgebraElement
RightSupportQuiverAlgebraElement
SupportQuiverAlgebraElement
Discontinued/removed functions:
------------------------------------------------------------
None
Changed code for:
----------------------------------------------------------------------
1stSyzygy
Fixed bugs in:
----------------------------------------------------------------------
AlgebraAsQuiverAlgebra
AlmostSplitSequenceInPerpT
EndOfModuleAsQuiverAlgebra
Enumerator (Quiver)
QuiverAlgebraOfAmodAeA
ReadAlgebra
SaveAlgebra
RightApproximationByAddM (list version)
Bugs for isolated vertices fixed in:
CoKernelProjection
KernelInclusion
RestrictionViaAlgebraHomomorphism
RightAlgebraModuleToPathAlgebraMatModule
SubRepresentationInclusion
Miscellaneous
----------------------------------------------------------------------
Added computation of a basis of a algebra of an acyclic quiver
Enumerator test added for quivers
Fixed typos in CHANGES, documentation, headers of functions
Updated documentation for
==========================================================================
Changes from version 1.33 to 1.34:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
DoubleQuiver
HomOverAlgebraWithBasisFunction
IrreducibleMorphismsEndingIn
IrreducibleMorphismsStartingIn
PreprojectiveAlgebra, added classical implementation
Discontinued/removed functions:
------------------------------------------------------------
None
Changed code for:
----------------------------------------------------------------------
None
Fixed bugs in:
----------------------------------------------------------------------
None
Miscellaneous
----------------------------------------------------------------------
Updated documentation for OrderOfNakayamaAutomorphism
==========================================================================
Changes from version 1.32 to 1.33:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
AdmissibleSequenceGenerator
EnvelopingAlgebraHomomorphism
OppositeAlgebraHomomorphism
TrivialExtensionOfQuiverAlgebraProjection
Functions for string algebras - see stringalgebra.gd and validity.gd
Discontinued/removed functions:
------------------------------------------------------------
None
Changed code for:
----------------------------------------------------------------------
AllSubmodulesOfModule
IsIndecomposableModule
ProjectivePathAlgebraPresentation
RightApproximationByAddM
TensorProductOfPathAlgebras
Fixed bugs in:
----------------------------------------------------------------------
DominantDimensionOfAlgebra
IsSymmetricAlgebra
RightApproximationByPerpT
Miscellaneous
----------------------------------------------------------------------
Added file makedoc.g
Updated README
Updated PackageInfo.g
Updated testall.tst
Removed AINV
==========================================================================
Changes from version 1.31 to 1.32:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
None
Discontinued/removed functions:
------------------------------------------------------------
None
Changed code for:
----------------------------------------------------------------------
None
Fixed bugs in:
----------------------------------------------------------------------
IsSymmetricAlgebra
Miscellaneous
----------------------------------------------------------------------
Update create-release.sh
==========================================================================
Changes from version 1.30 to 1.31:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
DecomposeModuleViaCharPoly (experimental)
DecomposeModuleViaTop (experimentral)
DTr, TrD on homomorphisms
FrobeniusForm
FrobeniusLinearFunctional
FromIdentityToDoubleStarHomomorphism
MatrixOfHomomorphismBetweenProjectives
PreprojectiveAlgebra
ProjectiveResolutionOfSimpleModuleOverEndo
QuiverAlgebraOfeAe
RadicalRightApproximationByAddM
TopOfModule for morphisms
TransposeOfModule on homomorphisms
Discontinued/removed functions:
------------------------------------------------------------
Changed code for:
----------------------------------------------------------------------
BlockSplittingIdempotents
Center
DualOfAlgebraAsModuleOverEnvelopingAlgebra
ExtOverAlgebra
Kernel
NthSyzygy
QuiverAlgebraOfAmodAeA
Fixed bugs in:
----------------------------------------------------------------------
CotiltingModule
DualOfModule
ImageProjectiveInclusion
IsCotiltingModule
IsFiniteTypeAlgebra
IsSymmetricAlgebra
LiftingMorphismFromProjective
Poset
RightModuleOverPathAlgebra
SaveAlgebra
StarOfModuleHomomorphism
Miscellaneous
----------------------------------------------------------------------
Added CONTRIBUTING.md
==========================================================================
Changes from version 1.29 to 1.30:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
AllIndecModulesOfLengthAtMost
AllModulesOfLengthAtMost
AllSimpleSubmodulesOfModule
AllSubmodulesOfModule
BlocksOfAlgebra
BongartzTest
LeftApproximationByAddM
QuiverAlgebraOfAmodAeA
RestrictionViaAlgebraHomomorphismMap
RightApproximationByAddM
Discontinued/removed functions:
------------------------------------------------------------
NthSyzygyNC
Changed code for:
----------------------------------------------------------------------
Complex
NthSyzygy (removed output)
YonedaProduct
Fixed bugs in:
----------------------------------------------------------------------
AlgebrasAsQuiverAlgebra
AllSubmodulesOfModule
Complex
HaveFiniteCoresolutionInAddM
HaveFiniteResolusionInAddM
ElementOfQuotientPathAlgebra
LiftTwoOrthogonalIdempotents
TauOfComplex
Miscellaneous
----------------------------------------------------------------------
==========================================================================
Changes from version 1.28 to 1.29:
==========================================================================
Updated release script.
Fixed issue #27.
==========================================================================
Changes from version 1.27 to 1.28:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
BrauerAlgebra
DecomposeModuleProbabilistic
HighLevelGroebnerBasis
Discontinued/removed functions:
------------------------------------------------------------
Changed code for:
----------------------------------------------------------------------
DecomposeModule
IsDirectSumOfModules
PathAlgebra
Fixed bugs in:
----------------------------------------------------------------------
Isolated vertices bugs (reported by Erich Neun)
Quiver product decomposition problems (reported by Erich Neun, fixed
by Oeystein Skartsaeterhagen)
RestrictionViaAlgebraHomomorphism (reported and fixed by Erich Neun)
StarOfModule (reported and fixed by Erich Neun)
Miscellaneous
----------------------------------------------------------------------
Added tests to the test file.
Added Travis CI and Codecov integration (Alexander Konovalov)
Fixed broken link to issues page.
Fixed files in examples (Erich Neun)
Improved the efficiency of the operation CommonDirectSummand.
Removed the obsolete MutableNullMat and replaced it with NullMat.
==========================================================================
Changes from version 1.26 to 1.27:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
IsPosetAlgebra
IsNthSyzygy
PartialOrderOfPoset
Poset (implementation of Mohamed Barakat)
PosetAlgebra
PosetOfPosetAlgebra
RestrictionViaAlgebraHomomorphism
TensorAlgebraInclusion
TrivialExtensionOfQuiverAlgebraLevel
Discontinued/removed functions:
------------------------------------------------------------
PositionsProperty (moved from QPA to GAP)
Changed code for:
----------------------------------------------------------------------
SimpleTensor
TensorProductOfAlgebras
TrivialExtensionOfQuiverAlgebra
Fixed bugs in:
----------------------------------------------------------------------
ReadAlgebra and SaveAlgebra (reported by Klaus Lux)
RightModuleOverPathAlgebra (reported by Rene Marczinzik)
==========================================================================
Changes from version 1.25 to 1.26:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
AlmostSplitSequence - an new version
AlmostSplitSequenceInPerpT
ElementInIndecProjective
IsTriangularReduced
TensorProductOfModules
Miscellaneous
----------------------------------------------------------------------
Updated coordinates for people and URL's in PackageInfo.g
==========================================================================
Changes from version 1.24 to 1.25:
==========================================================================
Added functions in this release:
----------------------------------------------------------------------
InjectiveEnvelope
InjectiveResolution
LeftApproximationByAddTHat
ReadAlgebra
RejectOfModule
RightApproximationByPerpT
SaveAlgebra
Miscellaneous
----------------------------------------------------------------------
Added source repository and issue tracker to PackageInfo.g
==========================================================================
Changes from version 1.23 to 1.24:
==========================================================================
Delete the file banner.g, as this file now is obsolete.
Updated doc/chapterintroduction.xml to take into account that QPA is now
a deposited package in GAP.
Updated the files version, PackageInfo.g and doc/qpadocumentation.xml
to version 1.24.
==========================================================================
Changes from version 1.22 to 1.23:
==========================================================================
Updated the files version, PackageInfo.g and doc/qpadocumentation.xml
to version 1.23.
==========================================================================
Changes from version 1.21 to 1.22:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
Complexes can automatically detect repetition and change to "repeat"
type. New type "next/repeat" which can be used when specifying
complexes. This works like the type "next" (each differential is
produced by a function which takes the previous differential as
argument), but will automatically convert itself to type "repeat" (all
differentials are given by a finite list which is repeated
indefinitely) if it detects repetition.
Added functions in this release:
----------------------------------------------------------------------
AlgebraAsQuiverAlgebra
IdealOfQuotient
Immediate methods for GlobalDimension for semisimple and selfinjective
algebras
Immediate method for IsFinitetypeAlgebra for Nakayama algebras
IsTauPeriodic
IsZero (for IsPathAlgebraMatModule)
LiftingCompleteSetOfOrthogonalIdempotents
LiftingIdempotent
MakeQPADocumentation (function for building documentation)
RelationsOfAlgebra
Changed code for:
----------------------------------------------------------------------
AlgebraAsModuleOverEnvelopingAlgebra
Center/Centre
IsAdmissibleIdeal (avoiding computing radical series of the algebra)
IsFiniteTypeAlgebra
NakayamaAlgebra
RadicalOfModuleInclusion
Print for homomorphisms
Fixed bugs in:
----------------------------------------------------------------------
EndOfModuleAsQuiverAlgebra (reported by Bernhar Boelhmer)
IdempotentsForDecomposition
IsDistributiveAlgebra (reported by Bernhard Boelhmer and
Rene Marczinzik)
IsomorphismOfModules
Print for complexes with empty middle part
Documentation:
----------------------------------------------------------------------
Documentation was updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
None
Synonyms
------------------------------------------------------------
None
Discontinued functions:
------------------------------------------------------------
None
Miscellaneous
------------------------------------------------------------
Removed chap0.html, manual.pdf and manual.six from the git
repository. Changed create-release.sh.
The create-release script was updated.
Added an introduction to QPA and some exercises.
Improved the script for generating the documentation.
==========================================================================
Changes from version 1.20 to 1.21:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
None
Changed code for:
----------------------------------------------------------------------
None
Fixed bugs in:
----------------------------------------------------------------------
IsAdmissibleIdeal
Documentation:
----------------------------------------------------------------------
Documentation was updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
DirectSumOfModules ----> DirectSumOfQPAModules (conflict with
the happrime package)
Synonyms
------------------------------------------------------------
None
Discontinued functions:
------------------------------------------------------------
None
Miscellaneous
------------------------------------------------------------
Updated PackageInfo.g (removing any reference to SourceForge
and replacing it with GitHub information), tst/testall.tst,
==========================================================================
Changes from version 1.19 to 1.20:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
None
Changed code for:
----------------------------------------------------------------------
PrimitiveIdempotents (change from a global function to an attribute)
Fixed bugs in:
----------------------------------------------------------------------
None
Documentation:
----------------------------------------------------------------------
Documentation was updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
PrimitiveIdempotentsOfSimpleAlgebra ----> PrimitiveIdempotents
(went back to name prior to last change)
Synonyms
------------------------------------------------------------
None
Discontinued functions:
------------------------------------------------------------
AsLeftModuleModuleGeneralMappingByImages (remove implementation
of this function as it was conflicting the test alghom.tst
and it was not in use in QPA).
Miscellaneous
------------------------------------------------------------
None
==========================================================================
Changes from version 1.18 to 1.19:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
IsHereditaryAlgebra
IsSemisimpleAlgebra (added method)
Changed code for:
----------------------------------------------------------------------
AlgebraAsModuleOverEnvelopingAlgebra (takes the algebra as an argument
instead of the enveloping
algebra of the algebra)
FaithfulDimension (changed from operation to attribute)
Fixed bugs in:
----------------------------------------------------------------------
None
Documentation:
----------------------------------------------------------------------
Documentation was added and updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
ConnectedComponents ----> ConnectedComponentsOfQuiver
IsComplex ----> IsQPAComplex
IsSimpleModule ----> IsSimpleQPAModule
IsVertex ----> IsQuiverVertex
PrimitiveIdempotents ----> PrimitiveIdempotentsOfSimpleAlgebra
Synonyms
------------------------------------------------------------
None
Discontinued functions:
------------------------------------------------------------
Removed two attributes "P0" and "P1" of a
"IsProjectiveResolution" as they were not in use in QPA and
they are likely to overwrite other variables when QPA is
loaded. Pointed out by A. Konovalov.
Miscellaneous
------------------------------------------------------------
Removed the bin directory from the repository (not in use,
pointed out by A. Konovalov). Trimmed the file PackageInfo.g
for comments.
==========================================================================
Changes from version 1.17 to 1.18:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
IsHereditaryAlgebra (added a method).
LeftInverseOfHomomorphism
RightInverseOfHomomorphism
Changed code for:
----------------------------------------------------------------------
ChainMap
IsIsomorphism
IsSplitMonomorphism (made into a property)
IsSplitEpimorphism (made into a property)
IsomorphismOfModules
MoreLeftMinimalVersion
Fixed bugs in:
----------------------------------------------------------------------
TransposeOfModule (Reported by Florian Eisele).
TrivialExtensionOfQuiverAlgebra
Documentation:
----------------------------------------------------------------------
Documentation was added and updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
None
Synonyms
------------------------------------------------------------
None
Discontinued functions:
------------------------------------------------------------
None
Miscellaneous
------------------------------------------------------------
Removed a conflicting declaration and definition of the
command NewBasis.
Updated PackageInfo.g, README, init.g and read.g.
Added a test file, tst/testall.tst
==========================================================================
Changes from version 1.16 to 1.17:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
AllComplementsOfAlmostCompleteTiltingModule
CotiltingModule
DynkinQuiver
InjDimension
InjDimensionOfModule
IsCotiltingModule
IsTiltingModule
FaithfulDimension
HaveFiniteCoresolutionInAddM
HaveFiniteResolutionInAddM
NumberOfComplementsOfAlmostCompleteTiltingModule
NumberOfComplementsOfAlmostCompleteCotiltingModule
LeftMutationOfTiltingModuleComplement
RightMutationOfTiltingModuleComplement
TiltingModule
Changed code for:
----------------------------------------------------------------------
MinimalRightAddMApproximation (return zero if one takes
the approximation of the zero module. Reported by
Rene Marczinzik.)
Fixed bugs in:
----------------------------------------------------------------------
DominantDimensionOfAlgebra (Reported by Rene Marczinzik.)
GorensteinDimensionOfAlgebra (Reported by Rene Marczinzik.)
Documentation:
----------------------------------------------------------------------
Documentation was added and updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
None
Synonyms
------------------------------------------------------------
AllComplementsOfAlmostCompleteCotiltingModule ==
AllComplementsOfAlmostCompleteTiltingModule
LeftMutationOfCotiltingModuleComplement ==
LeftMutationOfTiltingModuleComplement
RightMutationOfCotiltingModuleComplement ==
RightMutationOfTiltingModuleComplement
Discontinued functions:
------------------------------------------------------------
None
Miscellaneous
------------------------------------------------------------
==========================================================================
Changes from version 1.15 to 1.16:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
TraceOfModule
RightFacMApproximation
MinimalRightFacMApproximation
LeftFacMApproximation
MinimalLeftFacMApproximation
RightSubMApproximation
MinimalRightSubMApproximation
LeftSubMApproximation
MinimalLeftSubMApproximation
Changed code for:
----------------------------------------------------------------------
None
Fixed bugs in:
----------------------------------------------------------------------
None
Documentation:
----------------------------------------------------------------------
Documentation was added and updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
None
Synonyms
------------------------------------------------------------
MinimalRightAddMApproximation == MinimalRightApproximation
MinimalLeftAddMApproximation == MinimalLeftApproximation
RightFacMApproximation == TraceOfModule
RightFacApproximation == TraceOfModule
Discontinued functions:
------------------------------------------------------------
None
Miscellaneous
------------------------------------------------------------
==========================================================================
Changes from version 1.14 to 1.15:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
AssignGeneratorVariables
AssociatedMonoimalAlgebra
DominantDimensionOfAlgebra
DominantDimensionOfModule
EulerBilinearFormOfAlgebra
GlobalDimension (attribute)
GlobalDimensionOfAlgebra
GorensteinAlgebraDimension
N_RigidModule
ProjDimension (attribute)
ProjDimensionOfModule
Changed code for:
----------------------------------------------------------------------
CartanMatrix, CoxeterMatrix, CoxeterPolynomial
Fixed bugs in:
----------------------------------------------------------------------
EndOfModuleAsQuiverAlgebra
TrivialExtensionOfQuiverAlgebra
Documentation:
----------------------------------------------------------------------
Documentation was added and updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
None
Synonyms
------------------------------------------------------------
None
Discontinued functions:
------------------------------------------------------------
None
Miscellaneous
------------------------------------------------------------
None
==========================================================================
Changes from version 1.13 to 1.14:
==========================================================================
Added structures in this release:
----------------------------------------------------------------------
None
Added functions in this release:
----------------------------------------------------------------------
OrbitDim
Changed code for:
----------------------------------------------------------------------
IsFiniteTypeAlgebra, also extending the function to give a definite
answer for radical square algebras.
Fixed bugs in:
----------------------------------------------------------------------
EndOfModuleAsQuiverAlgebra
Documentation:
----------------------------------------------------------------------
Documentation was added and updated.
Changes in function names:
Old name -------> New name
------------------------------------------------------------
None
Synonyms
------------------------------------------------------------
None
Discontinued functions:
------------------------------------------------------------
None
Miscellaneous
------------------------------------------------------------
None
==========================================================================
Changes from version 1.12 to 1.13:
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Added structures in this release:
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None
Added functions in this release:
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\= (for path algebra matrix modules)
ComplexityOfAlgebra
ComplexityOfModule
DualOfAlgebraAsModuleOverEnvelopingAlgebra
EndOfModulesAsQuiverAlgebra
IsDistributiveAlgebra (added before, but not mentioned)
IsGentleAlgebra (added implementation)
IsomorphismOfModules
MinimalGeneratingSetOfIdeal
New way of introducing AR-quivers in degorderfinitetype
TrivialExtensionOfQuiverAlgebra
Changed code for:
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RightModuleOverPathAlgebra (now check if the entered matrices are over
the correct field)
Fixed bugs in:
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CoxeterPolynomial
EnvelopingAlgebra
Documentation:
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Documentation was added and updated.
Changes in function names:
Old name -------> New name
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None
Synonyms
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None
Discontinued functions:
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None