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1 vote
1 answer
26 views

ModuleNotFoundError: No module named 'qiskit_algorithms'

3 votes
1 answer
41 views

How to calculate guessing probability for quantum key distribution?

4 votes
2 answers
118 views

Why do Bell states have all real coefficients?

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0 answers
10 views

qiskit DraperQFTAdder

14 votes
4 answers
5k views

Is there a simple, formulaic way to construct a modular exponentiation circuit?

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2 answers
183 views

Modular addition in Qiskit

2 votes
1 answer
83 views

Is there a simple condition under which X-and-Z-error correctability leads automatically to Y-error correctability?

2 votes
2 answers
223 views

Why can't Quantum Fisher Information be negative?

2 votes
1 answer
53 views

Beyond polynomial speedups in diagonal entries estimation

1 vote
1 answer
101 views

Why circuit in Shor algorithm differs for different factorized numbers?

3 votes
1 answer
39 views

How does one identify Pauli logicals in a hyperbolic surface code?

3 votes
1 answer
57 views

What exacly is passManager and passes in qiskit?

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37 views

Getting a Hermitian operator from a Quantum circuit, and taking its expectation value

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1 answer
48 views

How to interpret the product of POVM elements?

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