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The complexity of the parity function in unbounded fan-in, unbounded depth circuits. (English) Zbl 0749.94025
An involved study of the complexity of the parity function $$f_ n$$ of $$n$$ variables realised by unbounded fan-in Boolean circuits is presented. The number of gates of a circuit is considered as the main complexity measure, but the number of wires is also investigated in some cases. Several optimal and almost optimal (lower and upper) bounds on the complexity of $$f_ n$$ for distinct bases are established. The proof techniques used include several nice ideas, and are interesting for everybody working in Boolean function complexity theory.

##### MSC:
 94C10 Switching theory, application of Boolean algebra; Boolean functions (MSC2010) 68Q25 Analysis of algorithms and problem complexity
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##### References:
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