Is it possible to build something similar to the Karnaugh Map but instead of classical bits input and output with qubits input and output?
It looks like it has been even patented ...
(19) United States (12) Patent Application Publication (10) Pub. No.: US 2011/0138344 A1 AHN (43) Pub. Date: Jun. 9, 2011 (54) QUANTUM KARNAUGH MAP