Abstract
Assume that you are given a graph G = (V,E) with an initial
coloring, where each node is black or white. Then, in discrete-time rounds
all nodes simultaneously update their color following a predefined deterministic rule. This process is called two-way r-bootstrap percolation, for
some integer r, if a node with at least r black neighbors gets black and
white otherwise. Similarly, in two-way α-bootstrap percolation, for some
0 <α< 1, a node gets black if at least α fraction of its neighbors are
black, and white otherwise. The two aforementioned processes are called
respectively r-bootstrap and α-bootstrap percolation if we require that
a black node stays black forever.
For each of these processes, we say a node set D is a dynamic monopoly
whenever the following holds: If all nodes in D are black then the graph
gets fully black eventually. We provide tight upper and lower bounds on
the minimum size of a dynamic monopoly.
coloring, where each node is black or white. Then, in discrete-time rounds
all nodes simultaneously update their color following a predefined deterministic rule. This process is called two-way r-bootstrap percolation, for
some integer r, if a node with at least r black neighbors gets black and
white otherwise. Similarly, in two-way α-bootstrap percolation, for some
0 <α< 1, a node gets black if at least α fraction of its neighbors are
black, and white otherwise. The two aforementioned processes are called
respectively r-bootstrap and α-bootstrap percolation if we require that
a black node stays black forever.
For each of these processes, we say a node set D is a dynamic monopoly
whenever the following holds: If all nodes in D are black then the graph
gets fully black eventually. We provide tight upper and lower bounds on
the minimum size of a dynamic monopoly.
Original language | English |
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Title of host publication | Language and Automata Theory and Applications |
Subtitle of host publication | 13th International Conference, LATA 2019, St. Petersburg, Russia, March 26-29, 2019, Proceedings |
Publisher | Springer Cham |
Pages | 381-393 |
ISBN (Print) | 978-3-030-13434-1 |
DOIs | |
Publication status | Published - 2019 |
Externally published | Yes |
Event | 13th International Conference on Language and Automata Theory and Applications - St. Petersburg, Russian Federation Duration: 26 Mar 2019 → 29 Mar 2019 |
Conference
Conference | 13th International Conference on Language and Automata Theory and Applications |
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Abbreviated title | LATA 2019 |
Country/Territory | Russian Federation |
City | St. Petersburg |
Period | 26/03/19 → 29/03/19 |