Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
practical perspective, what do we really mean by scalable? Put simply, if an algorithm runs properly on n qubits or for input size of n , then it should run equally fine on 2 * n to 10 * n or even 100 * n or 1,000 * n qubits or input of that size. Some of the common sizes that algorithms should