Version 2.18

Author: fingolfin

CHANGES.md

@@ -1,5 +1,11 @@
 This file describes changes in the GAP package 'polycyclic'.
 
+2.18 (2026-04-09)
+  - Let `Centralizer( U, g )` work if `g` is not contained in `U`
+  - Improve `Intersection` to work in more cases (instead of erroring out),
+    specifically if one of the arguments is finite
+  - Various janitorial changes
+
 2.17 (2025-08-28)
   - Add a method `SemidirectProduct( N, alpha, G)` where `N` and `G` are both PcpGroups
     (contributed by Sam Tertooy)

PackageInfo.g

@@ -9,8 +9,8 @@ SetPackageInfo( rec(
 
 PackageName := "Polycyclic",
 Subtitle    := "Computation with polycyclic groups",
-Version     := "2.17",
-Date        := "28/08/2025", # dd/mm/yyyy format
+Version     := "2.18",
+Date        := "09/04/2026", # dd/mm/yyyy format
 License     := "GPL-2.0-or-later",
 
 Persons          := [
@@ -164,7 +164,7 @@ Keywords := [
 AutoDoc := rec(
     TitlePage := rec(
         Copyright := """<Index>License</Index>
-&copyright; 2003-2025 by Bettina Eick, Max Horn and Werner Nickel<P/>
+&copyright; 2003-2026 by Bettina Eick, Max Horn and Werner Nickel<P/>
 The &Polycyclic; package is free software;
 you can redistribute it and/or modify it under the terms of the
 <URL Text="GNU General Public License">http://www.fsf.org/licenses/gpl.html</URL>
@@ -179,4 +179,3 @@ users and developers.""",
 ),
 
 ));
-