Galvagni Figures for Polylines
A right polyline
(or square polyedge, or (2,1)-polyominoid)
is a plane figure made of equal line segments joined
end to end at straight or right angles.
A Galvagni figure is a figure that can be tiled by a polyform
in more than one way—a kind of self-compatibility figure.
Galvagni figures first appeared in Erich Friedman's
for November 2004.
Galvagni figures for polylines first appeared in
for August 2006.
Here are minimal known Galvagni figures for polylines.
The gray polylines are unsolved.
The black polylines have no Galvagni figures.
Last revised 2009-11-07.
Back to Galvagni Compatibility
Col. George Sicherman