Notation Notions: Operations on Ominoes

Here’s a tiling of the 3+2-ominoes: This use of a plus sign seems natural enough, but we might want to think a bit more about what it implies. We have established an operation on polyform sets, and a notation for that operation. This raises some questions: what other operations might we want to use? How … Continue reading Notation Notions: Operations on Ominoes