Galvagni Figures for Polymings

Definitions

A polyming, or pseudo-polyiamond, is a figure formed of equilateral triangular cells joined edge to edge or vertex to vertex at 60° or 120° angles. A Galvagni figure is a minimal figure that can be tiled with a polyform in two or more ways. Math Magic for November 2004 shows Galvagni figures for many kinds of polyforms.

Dimings

There are three dimings (including the ordinary diamond), all with Galvagni figures:

Trimings

There are 11 trimings, 9 with Galvagni figures:

Tetramings

There are 75 tetramings, 69 with Galvagni figures:

Last revised 2011-05-26.

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Col. George Sicherman [ HOME | MAIL ]