Galvagni Figures for Polyaboloes
A polyabolo is a plane figure formed by
joining equal isosceles right triangles along equal edges.
A Galvagni figure is a figure that can be tiled by a polyform
in more than one way—a kind of self-compatibility figure.
first appeared in Erich Friedman's
for November 2004.
Here are minimal known Galvagni figures for polyaboloes.
Some polyaboloes have solutions that are technically Galvagni
figures but are not polyaboloes.
They are formed by joining parallelograms to make voided rhombuses.
Unsolved or Impossible
Last revised 2014-10-28.
Back to Galvagni Compatibility
Col. George Sicherman