Changelog for gap-xmod-2.92-lp155.10.1.noarch.rpm :

* Tue Jan 23 2024 Jan Engelhardt - Update to release 2.92
* Added methods for WhiteheadXMod etc. for xmods which are not permanent xmods
* Now using the NC version of PreImagesRepresentative
* Sun Jun 25 2023 Jan Engelhardt - Update to release 2.91
* added a chapter on double groupoids with operations EnhancedBasicDoubleGroupoid, DoubleGroupooidWithZeroBoundary
* added PreXModWithTrivialRange
* Sat Feb 11 2023 Jan Engelhardt - Update to release 2.89
* added RegularActionHomomorphism(Object/2DimensionalGroup)
* Sat Nov 19 2022 Jan Engelhardt - Update to release 2.88
* Lots of new and renamed functions
* Mon Dec 25 2017 jengelhAATTinai.de- Update to new upstream release 2.6.4
* fixed tests to work with both 4r8 and dev in 3 options
* removed attribute AutoGroup (=Range(XModAction)) for xmods
* added operations SinglePiecePreXModWithObjects(NC)
* added Root2dGroup for prexmods with objects
* ImageElmXModAction now works for xmods of groupoids
* added operation ImageElmXModAction
* renamed test files and made them independent
* Fri Sep 08 2017 jengelhAATTinai.de- Update to new upstream release 2.62
* Replaced PreXModIsomorphismByIsomorphisms by the more general IsomorphismByIsomorphisms; then functions such as IsomorphismPerm2DimensionalGroup rewritten to use it.
* Added IsomorphismByIsomorphisms for pre1-cat-groups
* New functions added for crossed square <-> cat2-group: ConjugationActionForCrossedSquare; ElementsRelationsForSemidirectProduct
* Added CoproductInfo for coproducts FactorXMod now FactorPreXMod (ditto NaturalMorphisms)
* Added Is2dGroupMorphismData and modified construction functions Method for IsNormal now applies to precrossed modules added PeifferSub2dGroup
* Added operation DiagonalCat1 and example S3xS3 => S3
* Added operation CoproductXMod and files `coprod.g`, `coprod.tst`
* Sat Apr 29 2017 jengelhAATTinai.de- Update to new upstream release 2.59
* added property IsEndomorphismPreCat1
* modified IsomorphismPerm2dGroup for PreCat1 objects
* Mon Nov 21 2016 jengelhAATTinai.de- Update to new upstream release 2.58
* added files hap.gd, hap.gi
* Wed Jun 08 2016 jengelhAATTinai.de- Update to new upstream release 2.56
* remove functions from util.g(d/i) now in Utils; require Utils
* Sat Mar 12 2016 jengelhAATTinai.de- Update to new upstream release 2.51
* renamed Rank and MiddleLength and now for p-groups only
* XPair -> XPairing, etc.
* IsomorphismPermPre(XMod/Cat1) -> IsomorphismPerm2dGroup, etc.
* IsStemGroup & IsStemXMod -> IsStemDomain etc.
* RestrictionMappingGroups -> GeneralRestgrictedMapping
* CentralQuotient now a crossed module or a crossed square
* added LeftRightMorphism and UpDownMorphism for crossed squares
* methods for InnerMorphism, ActorXMod, CentreXMod, etc. now specified only for permutation crossed modules
* Tue Dec 08 2015 jengelhAATTinai.de- Update to new upstream release 2.44
* added Centralizer and Normalizer methods for crossed modules
* added ExternalSetXMod
* added operation Displacement
* added AllStemGroupFamilies and Set various Names
* added NaturalHomomorphismByNormalSubXMod
* added CrossActionSubgroup
* Sun Feb 22 2015 jengelhAATTinai.de- Update to new upstream release 2.31
* Metadata update (homepage URL) only