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math.CO2012★ 7 cited
The time of bootstrap percolation for dense initial sets
Béla Bollobás, Cecilia Holmgren, Paul Smith +1
In r-neighbour bootstrap percolation on the vertex set of a graph G, vertices are initially infected independently with some probability p. At each time step, the infected set expa…
math.CO2011
Counterexamples to a Monotonicity Conjecture for the Threshold Pebbling Number
Johan Björklund, Cecilia Holmgren
Graph pebbling considers the problem of transforming configurations of discrete pebbles to certain target configurations on the vertices of a graph, using the so-called pebbling mo…