11 steps wm75416wm75416 signature 13→3323→13 rule {{{1, 1, 2}} -> {{2, 2, 1}, {2, 3, 2}, {1, 2, 3}}, {{1, 2, 1}, {3, 4, 2}} -> {{4, 3, 2}}} {{{1, 1, 2}} -> {{2, 2, 1}, {2, 3, 2}, {1, 2, 3}}, {{1, 2, 1}, {3, 4, 2}} -> {{4, 3, 2}}}
make editable copy download notebook Basic EvolutionBasic evolution:[◼]WolframModel[{{{1,1,2}}{{2,2,1},{2,3,2},{1,2,3}},{{1,2,1},{3,4,2}}{{4,3,2}}},{{1,1,1},{1,1,1}},6,"StatesPlotsList"],,,,,,Event-by-event evolution:[◼]WolframModel[{{{1,1,2}}{{2,2,1},{2,3,2},{1,2,3}},{{1,2,1},{3,4,2}}{{4,3,2}}},{{1,1,1},{1,1,1}},<|"MaxEvents"6|>,"EventsStatesPlotsList"],,,,,,Vertex and edge counts:{vertexCountList,edgeCountList}=[◼]WolframModel[{{{1,1,2}}{{2,2,1},{2,3,2},{1,2,3}},{{1,2,1},{3,4,2}}{{4,3,2}}},{{1,1,1},{1,1,1}},45,{"VertexCountList","EdgeCountList"}];ListLogPlot{vertexCountList,edgeCountList},verticesedgesSymbolic expression for vertex count:FindSequenceFunction[vertexCountList,t]1-t+2tSymbolic expression for edge count:FindSequenceFunction[edgeCountList,t]DifferenceRootFunction{y.,n.},4+8n.+(1-n.)y.[n.]+(-3+n.)y.[1+n.]0,y.[1]2,y.[2]6,y.[3]14,y.[4]24[t]Result after 11 generations:WolframModel[]["FinalStatePlot"]Causal GraphCausal graph:WolframModel[]"CausalGraph",Rule[]Layered rendering:WolframModel[]["LayeredCausalGraph"]Causal graph distance matrix:MatrixPlotTransposeGraphDistanceMatrixWolframModel[]["CausalGraph"],Final State PropertiesHypergraph adjacency matrix:MatrixPlotAdjacencyMatrix@CatenateMapUndirectedEdge@@@Subsets[#,{2}]&,WolframModel[]["FinalState"],Vertex degree distribution:HistogramValuesCountsCatenateUnion/@WolframModel[]["FinalState"],Neighborhood volumes (ignoring directedness of connections):volumes=[◼]RaggedMeanAroundValues[◼]HypergraphNeighborhoodVolumesWolframModel[]["FinalState"],All,Automatic;ListLogLogPlotvolumes,Effective dimension versus radius:ListLinePlot[◼]LogDifferences[volumes],Successive neighborhood balls around a random vertex: [◼]HypergraphNeighborhoodsWolframModel[]["FinalState"],4,,,Distance matrix:distanceMatrix=GraphDistanceMatrixUndirectedGraph[◼]HypergraphToGraphWolframModel[]["FinalState"];MatrixPlotExp[-(distanceMatrix/.0None)],Distribution of distances in the graph:HistogramFlatten[distanceMatrix],Spreading of EffectsCausal graph adjacency matrix:MatrixPlotAdjacencyMatrixWolframModel[]["CausalGraph"],Neighborhood volumes in causal graph:ListLogLogPlotValues[◼]GraphNeighborhoodVolumesWolframModel[]["CausalGraph"],{1},Other Evolution OrdersRandom evolutions:[◼]WolframModel[{{{1,1,2}}{{2,2,1},{2,3,2},{1,2,3}},{{1,2,1},{3,4,2}}{{4,3,2}}},{{1,1,1},{1,1,1}},<|"MaxEvents"222|>,"FinalStatePlot","EventOrderingFunction""Random"]Different deterministic evolution orders:[◼]WolframModel[{{{1,1,2}}{{2,2,1},{2,3,2},{1,2,3}},{{1,2,1},{3,4,2}}{{4,3,2}}},{{1,1,1},{1,1,1}},<|"MaxEvents"222|>,"EventOrderingFunction"{#,"LeastRecentEdge","RuleOrdering","RuleIndex"}]["FinalStatePlot",PlotLabel#]&/@{"OldestEdge","LeastOldEdge","LeastRecentEdge","NewestEdge","RuleOrdering","ReverseRuleOrdering"},,,,,Graph Features of Statesgraph=[◼]HypergraphToGraphWolframModel[]["FinalState"];HistogramClosenessCentrality[graph],Cycle properties:EdgeCycleMatrix[UndirectedGraph[graph]]//MatrixPlotHistogram[Length/@FindFundamentalCycles[UndirectedGraph[graph]]]FindSpanningTree[UndirectedGraph[graph]]