MAGMA Util package ChangeLog

2008-02-03 13:09  henrik

	* util.mag, util_hb.mag:

	Small updates

2008-01-30 08:53  henrik

	* Manifest, p_group.mag, ruth2.mag, util, util.mag, util_hb.mag:

	New util code

2007-11-26 22:42   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util_hb.mag:

	Added RandomConjugate

2007-11-12 13:52   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* p_group.mag, ruth2.mag, util, util.mag, util_hb.mag:

	Added p-group code

2007-10-29 08:32   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util_hb.mag:

	More features

2007-10-06 06:37   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util_hb.mag:

	Some more funcions moved here.

2007-08-17 06:54   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util_hb.mag:

	Moved code back to util

2007-08-13 11:53   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfixes

2007-08-11 23:03   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* Manifest, util, util.mag, util_hb.mag:

	General code now in util.mag, more private code in util_hb.mag

2007-08-10 17:19   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added derived group algorithm without words, and for all types of
	groups.

2007-07-07 16:33   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfix in use of WriteOverSmallerField

2007-06-30 15:29   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfix in use of SymmetricBilinearForm

2007-06-30 15:26   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfix in use of WriteOverSmallerField

2007-06-30 15:11   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added Bray algorithm for permutation groups

2007-06-10 19:50   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Diagonalisation now normalises eigenspaces. Important in Suzuki and
	Ree conjugation.

2007-06-01 16:21   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Changes from Eamonn and Allan.

2007-04-27 11:06   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Using built-in FrobeniusImage

2007-04-26 03:32   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag:

	Removed recursion

2007-04-26 03:32   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added some new general functions.

2007-04-24 04:10   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag:

	More testing

2007-04-23 08:53   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag:

	More comparisons with Magma machinery

2007-04-23 00:32   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* Manifest:

	Moves prospector to new package

2007-04-23 00:31   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Updated for Magma release

2006-11-01 01:25   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag, util, util.mag:

	Added transvection/transposition generating sets

2006-10-25 12:47   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* nullity.mag:

	Better test

2006-10-19 02:54   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added random permutation generation

2006-10-18 12:20   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* nullity.mag:

	Slightly more efficient

2006-10-11 15:47   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* prospect.mag:

	Moved prospector to another package

2006-10-11 12:37   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* nullity.mag, util:

	Added Jack Edmonds rank algorithm

2006-10-11 03:23   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* prospect.mag:

	Better chi^2 test, now using normal approximation

2006-10-10 17:27   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* prospect.mag:

	Bugfix in Rattle

2006-10-10 12:31   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* prospect.mag:

	Better tests

2006-10-10 00:58   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* prospect.mag:

	Fixed bug in chi square test

2006-10-08 20:18   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* prospect.mag, Manifest, util:

	Product Replacement Prospector

2006-07-22 05:02   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Code cleanup

2006-06-15 10:14   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Small bugfixes.

2006-06-07 23:03   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* AUTHORS:

	SL2 code no longer in util.

2006-05-27 03:47   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Code cleanup

2006-05-18 17:56   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Fixed bugs and added documentation.

2006-05-06 20:24   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfixes

2006-04-26 17:11   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added intrinsic for building random matrices.

2006-03-31 22:53   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Cleaned up code

2006-03-30 14:29   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	New parameters to specify given element when finding random
	elements.

2006-03-20 11:03   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Moved The Formula completely

2006-03-09 16:09   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag:

	Use good Magma SLP eval

2006-03-02 13:42   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	The Formula working better

2006-03-01 20:16   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Trying to get The Formula to work

2006-02-27 02:54   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added getMapFunction

2006-02-27 00:21   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added The Formula

2006-02-20 23:55   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added new FrobeniusImage

2006-02-16 13:08   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Has to save height and width of each block

2006-02-16 00:02   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	More utility code

2006-02-13 11:51   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util:

	No SLP code

2006-02-09 13:35   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Allow strange CBM rings

2006-02-07 16:23   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Filtration bugfixes

2006-02-02 22:03   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfix

2006-02-02 13:03   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Now calculating filtration with MeatAxe maps

2006-01-26 13:10   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added Kronecker Delta

2006-01-23 14:21   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Better module twisting

2006-01-19 13:27   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added code for orthogonal complement

2006-01-17 19:49   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Better method to get MeatAxe maps

2006-01-10 20:29   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added general code to get MeatAxe maps

2005-12-15 16:28   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfixes

2005-12-02 17:51   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added code for getting derived group

2005-12-02 17:38   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added test for derived group membership

2005-09-01 12:54   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Can get random element of pseudo order

2005-08-15 22:02   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfixes

2005-08-15 22:02   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util:

	Added SLP code

2005-08-11 08:11   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag:

	Text cleanup

2005-08-11 07:57   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag:

	Code cleanup

2005-08-11 07:48   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* slp.mag:

	New MAGMA SLP code

2005-08-09 00:50   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* Manifest, util:

	SL2 code now in Magma

2005-07-29 21:43   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Removed Monte-Carlo SL2 check

2005-07-12 22:26   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Bugfix in Bray algorithm

2005-07-08 13:25   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added dihedral trick

2005-07-06 21:21   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Changed Bray trick

2005-07-06 10:35   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Moved Bray trick etc to Util

2005-06-17 18:03   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* Makefile, Manifest, util.mag:

	Added necessary files for distribution

2005-06-17 17:58   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* AUTHORS:

	Added author list

2005-06-09 15:58   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Added upper limit to the number of tries when searching for random
	elements.

2005-06-07 00:42   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Generalised involution finder

2005-06-06 11:52   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag:

	Changed diagonalisation behaviour

2005-05-16 11:33   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util, util.mag:

	SL2 code fixed

2005-05-02 22:30   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag, util:

	Initial import

2005-05-02 22:30   Henrik Brnhielm, <h.baarnhielm@qmul.ac.uk>

	* util.mag, util:

	Initial revision

