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Results tagged with universal-gates
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user 12547
For questions about the set of quantum gates that form a set of gates from which another gate can be produced; this set is analogous the classical set of universal gates (either a NOR gate or a NAND gate can produce any other gate). This tag, however, is not to be used for the classical set of universal gates; those questions are probably more appropriate on Computer Science SE.
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Minimum number of 2 qubit gates to build any unitary
Any unitary $U$ acting on $N$ qubits can be decomposed in a finite product $U=U_1U_2...U_n$ where every $U_i$ acts on only 2 qubits, for example through decomposition in CNOT, phase shifts and 1 qubit …
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