xistrat 0.6.90 file released: xistrat-0.6.90.tar.bz2

-2-body system started
-representation theory
-Schur cover of holonomy group (second cohomology)
-McKay correspondence
-morphing group continued
-procedural 3D textures (Perlin noise)
-Costa, M_24, L2_7, S5, A6
-Java-1.5 compatibility
-J3DBuffer ...

01:04AM on Dec 11 2006

xistrat 0.6.59 file released: xistrat-0.6.59.tar.gz

-demo applet
-generalized Rubik game variants (rubicon group treatment M12 etc.) started
-Go variant (with random engine)
-'vector' groups (single figure A)
-Penrose quasicrystal (inflation/deflation)
-new graph examples
-torus knots (Jones ...

12:00AM on Mar 25 2003

xistrat 0.6.34 file released: xistrat-0.6.34.tar.gz

-noncommutative geometry aspects discussed
-boundary treatment theory improved
-updated bibliography
-GUI optional 3D mirror views
-transposition hashtables and best-first move ordering
-compatibility fixes to autoplayer engine for recent gcj

12:00AM on Sep 04 2002

xistrat 0.6.13 file released: xistrat-0.6.13.tar.gz

-save position feature
-figure 'F' (asymmetric) added
-characteristic polynomial computation for a graph and dual
-group theory about chess figure movements
-autoplayer chess engine with alpha-beta and speedups 
-probabilistic naive coloring procedure ...

12:00AM on Apr 25 2002

xistrat 0.5.68 file released: xistrat-0.5.68.tar.gz

group theory investigation using GAP software
replay games feature 
some fixes

12:00AM on Jan 05 2002

xistrat 0.5.57 file released: xistrat-0.5.57.tar.gz

bug fixes here and there
flickery rendering solved
chess engine speed up
improved docu

12:00AM on Nov 25 2001

xistrat 0.5.42 file released: xistrat-0.5.42.tar.gz

07:47PM on Oct 15 2001