File gap-groupoids.changes of Package gap-groupoids
------------------------------------------------------------------- Mon Sep 23 11:17:50 UTC 2024 - Jan Engelhardt <[email protected]> - Update to release 1.76 * fix error caused re immutable ExtRepOfObj ------------------------------------------------------------------- Wed Jan 24 00:20:36 UTC 2024 - Jan Engelhardt <[email protected]> - Update to release 1.74 * Avoid trivial function wrappers ------------------------------------------------------------------- Sun Jun 25 09:43:59 UTC 2023 - Jan Engelhardt <[email protected]> - Update to release 1.73 * Basic double groupoids * Added RegularActionHomomorphismGroupoid and used in gpdhom.tst ------------------------------------------------------------------- Sat Feb 11 11:16:53 UTC 2023 - Jan Engelhardt <[email protected]> - Update to release 1.72 * moved attempt at double groupoids to XMod * added RegularActionHomomorphismGroupoid and used in gpdhom.tst ------------------------------------------------------------------- Sat Nov 19 00:07:56 UTC 2022 - Jan Engelhardt <[email protected]> - Update to release 1.71 * Renamed GpdIsDigraph etc as IsGroupoidDigraph * Replaced IsDiscrete by IsDiscreteMagmaWithObjects * Changed nicemap.tst to cope with alternative NiceMonomorphisms ------------------------------------------------------------------- Wed Nov 14 22:52:31 UTC 2018 - Jan Engelhardt <[email protected]> - Update to new upstream release 1.63 * Corrections to methods for RightCoset and LeftCoset * Removed HomsetCosetsGroupoidCoset + old IsHomsetCosetsType * Operation RayElementsOfGroupoid is now Attribute RaysOfGroupoid and Attribute RaysOfGroupoid is now Operation RayArrowsOfGroupoid. * Changed HomsetCosets from IsPositionalObjectRep; corrected SubgroupoidByPieces when rays are involved * Add IsomorphismNewObjects method for hom discrete methods for \in for AutomorphismGroupOfGroupoid * Added property IsAutomorphismGroupOfGroupoidAsGroupoid * Added method for \in for automorphisms of groupoids * Added attribute PieceIsomorphisms for homogeneous dwos * Added attribute ParentMappingGroupoids for restricted mappings * Added GroupoidAutomorphismByObjectPerm method for groupoid with rays. * Removed attribute InverseOfIsomorphismFpSemigroup * Added AutomorphismGroupoidOfGroupoid for homogeneous groupoids * Replaced SmallGroup(8,4) with QuaternionGroup(8) * Added 'GGRWS' to 'FreeProductWithAmalgamation', 'HnnExtension' * Added ReducedImageElm for IsMappingToFreeProductWithAmalgamation IsFpaGroup now IsFreeProductWithAmalgamation; sim. IsHnnGroup. ------------------------------------------------------------------- Sun Dec 24 12:37:49 UTC 2017 - [email protected] - Update to new upstream release 1.54 * added MappingGeneratorsImages method for hom discrete mappings * added other method for GroupoidInnerAutomorphism(R,S,r); * added method for RestrictedMappingGroupoids for homdisc * added DirectProductOp for groupoids; Projection & Embedding * added MappingWithObjectsByFunction and associated prop/attr and then added new manual section on the inner automorphism group * added operation GroupoidInnerAutomorphism ------------------------------------------------------------------- Fri Sep 8 17:18:11 UTC 2017 - [email protected] - The package was renamed from gpd to groupoids upstream - Update to new upstream release 1.51 * added various methods for String, ViewString, PrintString ------------------------------------------------------------------- Sat Apr 29 21:31:04 UTC 2017 - [email protected] - Update to new upstream release 1.46 * Removed method for IsCommutative from gpd.gi which was causing slowdown in the main GAP tests. ------------------------------------------------------------------- Mon Nov 21 15:07:05 UTC 2016 - [email protected] - Update to new upstream release 1.45 * improved RestrictedMappingGroupoids * Added IsomorphismStandardGroupoid to gpdhom.g{d,i}; GroupoidAutomorphismByRayImages->GroupoidAutomorphismByRayShifts; SinglePieceGroupoidByGenerators->SinglePiceSubgroupoidByGenerators; improved RestrictedMappingGroupoids * ImagesOfRays renamed ImageElementsOfRays * Replaced Image(hom,x) with ImageElm(hom,x) throughout * Moved AutomorphismGroup methods to AutomorphismGroupOfGroupoid * Added EmbeddingsInNiceObject * Converted cases of \in to new InAutomorphismGroupOfGroupoid ------------------------------------------------------------------- Sun Jun 19 11:18:00 UTC 2016 - [email protected] - Update to new upstream release 1.43 * dealt with new diffs in test files ------------------------------------------------------------------- Fri Mar 11 22:28:22 UTC 2016 - [email protected] - Update to new upstream release 1.42 * new method for ObjectGroupHomomorphism * converted RootObject from an operation to an attribute * renamed IsDigraph etc as GpdIsDigraph * RestrictionMappingGroupoids -> RestrictedMappingGroupoids * added method for WeightedAdjacencyMatrix for FpWeightedDigraphs * added PrintObj & Viewobj for groupoid right cosets * removed RestrictionMappingGroups: now GeneralRestrictedMapping * replacing test IsScalar for objects with IsObject/IsSet added examples in section 4.1.1 where the objects are free group generators or strings * Added method for ImagesRepresentative( gpdhom, arrow ) ------------------------------------------------------------------- Tue Aug 4 09:10:56 UTC 2015 - [email protected] - Update to new upstream release 1.34 * added method for GeneratorsOfMagma for a magma with objects * attempted fix of problem with NormalFormGGRWS * PackageInfo.g: Kan is now an accepted package * converted the bibliography to BibXMLext format and added an URL to Emma's thesis (moore.ps.gz) * changed 'InversesIfNonzero' to 'Inverse' in category names ------------------------------------------------------------------- Sun Feb 22 10:35:23 UTC 2015 - [email protected] - Update to new upstream release 1.31 * rays were inadvertently arrows, so swapped the names: RaysOfGroupoid with RayElementsOfGroupoid * added second Kd8method for IsHomogeneousDomainWithObjects * renamed MultiplicativeElementWithObjects as Arrow, IsElementOfMagmaWithObjects as IsArrowIn, GroupoidElement no longer needed: use Arrow, IdentityElement as IdentityArrow, ConjugateGroupoidElement as ConjugateArrow. * changed Arrow to ArrowNC in GeneratorsOfMagmaWithObjects ------------------------------------------------------------------- Wed Feb 5 16:32:24 UTC 2014 - [email protected] - Update to new upstream release 1.22 * Adjusted flip function in mwohom.g and mwohom.tst. * Added method for ImageElm for mwohoms and more than one piece. * Added IsElementOfMagmaWithObjects (in place of \in). * Renamed Arrowelt -> ElementOfArrow, etc. ------------------------------------------------------------------- Fri May 10 13:47:02 UTC 2013 - [email protected] - Split gpd (version 1.19) off the gap RPM package
