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Changelog

All notable changes to this project will be documented in this file.

0.36.0 - 2025-05-19

The following gives an overview of the changes compared to the previous release. This list is not complete, many more internal or minor changes were made, but we tried to only list those changes which we think might affect some users directly.

Number fields

Bugfix

  • #1859 Fix order_type for generic non-simple absolute fields

New features or extended functionality

  • #1840 Overhaul printing of orders, (fractional) ideals, and related objects

Noncommutative algebras

New features or extended functionality

  • #1863 Performance improvements for orders and lattices

Other changes

Bugfix

  • #1858 Fix local_factor for Hermitian lattices

New features or extended functionality

  • #1871 Bump Nemo to 0.50, AA to 0.45, Polymake to 0.12
  • #1825 Add is_maximal & is_prime for some PIDIdeal subtypes

0.35.19 - 2025-04-27

The following gives an overview of the changes compared to the previous release. This list is not complete, many more internal or minor changes were made, but we tried to only list those changes which we think might affect some users directly.

Number fields

Bugfix

  • #1859 Fix order_type for generic non-simple absolute fields

Other changes

Bugfix

  • #1858 Fix local_factor for Hermitian lattices

New features or extended functionality

  • #1228 Add multiplication of sparse matrices

0.35.18 - 2025-04-23

The following gives an overview of the changes compared to the previous release. This list is not complete, many more internal or minor changes were made, but we tried to only list those changes which we think might affect some users directly.

Noncommutative algebras

New features or extended functionality

  • #1854 Make order element arithmetic faster (for noncommutative algebras)

Other changes

Bugfix

  • #1852 Fix rescaling of form in neighbour method for Hermitian lattices

New features or extended functionality

  • #1835 Cleanup hom methods for FinGenAbGrp and TorQuadModule (deprecate methods with domain/codomain)

0.35.16 - 2025-04-02

The following gives an overview of the changes compared to the previous release. This list is not complete, many more internal or minor changes were made, but we tried to only list those changes which we think might affect some users directly.

Number fields

Bugfix

  • #1834 Fix principal ideal test for non-maximal fractional ideals

New features or extended functionality

  • #1832 Deprecate MaximalOrder -> maximal_order, Order -> order
  • #1824 Improved torsion unit computation for cyclotomic fields
  • #1822 Remove restriction in torsion unit computation

Function fields

New features or extended functionality

  • #1828 Add more operations for divisors

Noncommutative algebras

New features or extended functionality

  • #1810 Add functionality for quaternion algebras
  • #1809 Add quaternion_algebra constructor

Other changes

Bugfix

  • #1807 Fix unterminated doctest

New features or extended functionality

  • #1818 Add tutorial builder using Literate.jl
  • #1813 Add ideal_type and ^ for PIDIdeal
  • #1796 Add right divrem and right gcd for polynomial rings over noncommutative rings

0.35.15 - 2025-03-16

The following gives an overview of the changes compared to the previous release. This list is not complete, many more internal or minor changes were made, but we tried to only list those changes which we think might affect some users directly.

Other changes

Bugfix

  • #1807 Fix interminated doctest

0.35.14 - 2025-03-15

The following gives an overview of the changes compared to the previous release. This list is not complete, many more internal or minor changes were made, but we tried to only list those changes which we think might affect some users directly.

Number fields

New features or extended functionality

  • #1798 Add official support for subfield
  • #1797 Add is_isomorphic for local fields

Noncommutative algebras

Bugfix

  • #1793 Disallow standard quaternion algebras in characteristic 2
  • #1791 Restore caching of maximal orders
  • #1789 Remove wrong degree(::MatAlgebra) implementation

New features or extended functionality

  • #1802 Add schur_index_over_center for arbitrary algebras
  • #1795 Improvements for quaternion algebra (elements)

Other changes

New features or extended functionality

  • #1790 Add group theoretic rank for finitely generated abelian groups

0.35.13 - 2025-03-01

The following gives an overview of the changes compared to the previous release. This list is not complete, many more internal or minor changes were made, but we tried to only list those changes which we think might affect some users directly.

Number fields

New features or extended functionality

  • #1779 Add is_cyclotomic_polynomial_with_data

Function fields

New features or extended functionality

  • #1781 Add factoring over inseparable extensions

Other changes

Bugfix

  • #1785 Fix euler_phi_inv(1)