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For the torus, what you call the boundary is no different from any of the other cells. If you were to live on such a grid, you’d be able to find out that it’s a
by Someone 4y ago
For the torus, what you call the boundary is no different from any of the other cells. If you were to live on such a grid, you’d be able to find out that it’s a torus and how many grid items there are, but you wouldn’t be able to see any difference between the individual grid cells.