Yes, by directing a specific pebble through a prescribed path.
you can pebble graphs in curling, you need to pebble the ice could you, over a pebbling game on a graph, make a graph-theoretical curling?
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I had been thinking in terms of collective excitations of large numbers of pebbles on large graphs with small time interval, just to try perhaps to be pushy about the analogy.
End of conversation
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