Читать книгу Reversible and DNA Computing - Hafiz M. H. Babu - Страница 51

This gate can be realized with cost 4. It is just like a Toffoli gate but without the last Feynman gate from right. This is the cheapest realization of a complete (universal) 3 3 permutation gate. Figure 1.12 shows the quantum realization of a Peres gate.