642 citations · 3k across the 35 of their papers we have counts for
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quant-ph2012★ 6 cited
Duality between a deterministic cellular automaton and a bosonic quantum field theory in 1+1 dimensions
Gerard 't Hooft
Methods developed in a previous paper are employed to define an exact correspondence between the states of a deterministic cellular automaton in 1+1 dimensions and those of a boson…
quant-ph2012★ 9 cited
Relating the quantum mechanics of discrete systems to standard canonical quantum mechanics
Gerard 't Hooft
Discrete quantum mechanics is here defined to be a quantum theory of wave functions defined on integers P_i and Q_i, while canonical quantum mechanics is assumed to be based on wav…