A New Version of Toom's Proof
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CitationGacs, Peter. "A New Version of Toom's Proof“, Technical Report BUCS-1995-009, Computer Science Department, Boston University, March 27, 1995. [Available from: http://hdl.handle.net/2144/1570]
There are several proofs now for the stability of Toom's example of a two-dimensional stable cellular automaton and its application to fault-tolerant computation. Simon and Berman simplified and strengthened Toom's original proof: the present report is simplified exposition of their proof.