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This file describes changes in 'Polenta'.

This file was added after the 1.2.7 release. Any information pertaining older Polenta versions may not be complete accurate, as it was re-created from old records. If you notice anything amiss, please let us know.

1.3.11 (2025-04-10)

  • Updated Max Horn's contact details once again ...
  • Janitorial changes

1.3.10 (2022-03-29)

  • Updated Max Horn's contact details
  • Janitorial changes

1.3.9 (2019-10-01)

  • Janitorial changes

1.3.8 (2017-11-29)

  • Internal changes (use TestDirectory() to run tests in tst/testall.g)

1.3.7 (2016-11-09)

  • Disabled some unused code for multiplicative Jordan decomposition and for simultaneously diagonalizing commuting matrices
  • Avoid using polycyclic's NaturalHomomorphism operation, instead use NaturalHomomorphismByNormalSubgroup

1.3.6 (2016-03-08)

  • Internal changes (refactor ClosureBasePcgs_word, fix a URL)

1.3.5 (2016-02-14)

  • Fix a bug in IsomorphismPcpGroup for finite matrix groups

1.3.4 (2016-01-07)

1.3.3 (2014-11-28)

  • Fixed a bug in ExponentVector_AbelianSS which could lead to IsomorphismPcpGroup running into an error.

1.3.2 (2014-04-01)

  • Moved the homepage
  • Updated Max Horn's contact details
  • Changed how the manual is built (now AutoDoc is used to automatically generate the title page from PackageInfo.g)

1.3.1 (2012-06-01)

  • Fixed warning when loading without aclib
  • Some minor tweaks and cleanups

1.3 (2011-09-23)

  • Updated README
  • Added GPL license text
  • Added this CHANGES file
  • Fixed bug in POL_KroneckerProduct (used by the examples)
  • Added Max Horn as addition package maintainer; removed outdated email address for Bjoern Assmann and removed his maintainer flag (at least for the time being, due to lack of time on his part)
  • Removed references to KANT / KASH -- which is a dependency of (old versions of) Alnuth, so we should not have to worry about it here.
  • Fixed handling of matrix groups over finite fields that are not prime fields.
  • Changed IsSolvableGroup method installation so that calling them on matrix groups not defined over a field does not cause weird errors anymore.
  • Changed the IsPolycyclicMatGroup methods to IsPolycyclicGroup methods, so that more code can automatically benefit from this functionality. The only remaining IsPolycyclicMatGroup method simply invokes IsPolycyclicGroup. It will be removed in a future version.
  • Converted documentation to GAPDoc format.
  • Turn IsTriangularizableMatGroup into a property.
  • Fixed bug that could cause an error while building an isomorphism from a matrix group to a pcp group.

1.2.7 (2007-06-17)

  • TODO

1.2.6 (2007-06-11)

  • TODO

1.2.5 (2007-06-10)

  • TODO

1.2.4 (2007-06-07)

  • TODO

1.2.3 (2006-07-17)

  • TODO

1.2.2 (2006-01-10)

  • TODO

1.2.1 (2005-08-09)

  • TODO

1.2 (2004-02-04)

  • TODO

1.1 (2003-11-02)

  • TODO

1.0 (2003-11-02)

  • TODO