...

2006-12-10:	0.6.90

	-2-body system started
	-representation theory (group ring, characters, modules, invariants, groups of Lie type)
	-Schur cover of holonomy group (piece of type A, Darstellungsgruppe, second cohomology)
	-McKay correspondence
	-morphing group continued
	-procedural 3D textures (Perlin noise)
	-Costa, M_24, L2_7, S5, A6
        -Java-1.5 compatibility
	-J3DBuffer used
	-MathML


2003-03-25:	0.6.59

	-demo applet (using XML dumps)
	-generalized Rubik game variants (Rubicon group treatment M12 etc.) started
	-Go variant (with random engine)
	-'vector' groups (single piece of type A)
	-Penrose quasicrystal (inflation/deflation)
	-more graph examples
	-torus knots (Jones polynomial)
	-iterative deepening in Chess engine
	-general bugfixes


2002-09-04:	0.6.34

	-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


2002-04-25:	0.6.13
	
	-save position feature
	-piece 'F' (asymmetric) added
	-characteristic polynomial computation for a graph and its dual	
	-group theory about the pieces' movements
	-autoplayer Chess engine with alpha-beta and speedups 
	-probabilistic naive coloring procedure algorithm
	-documentation fixes and updates
	-use of JavaDoc 
	-cool HomePage design


2002-01-05:	0.5.68

	-lattice group investigation
	-load and replay games feature 
	

2001-11-26: 	0.5.57

	-bugfixes here and there
	-flickery rendering solved
	-undo feature
	-Chess engine speed up
	-improved documentation 


2001-10-15:	0.5.42 

	-initial release


spring 2001:	XiStrat started