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Quantum Computing

Benefactor

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First bounty you manually award on your own question.
Awarded 60 times.
Projection and inner products in stim
Awarded Jul 18 at 3:38
Solving quantum equation using qiskit
Awarded May 29 at 6:25
Surface Code - Convert Control Error to Clifford Error
Awarded May 12 at 13:06
Classical electronics controls from both sides - could we do it for some quantum electronics?
Awarded Apr 6 at 11:40
Physical Realizability of Outer product
Awarded Mar 15 at 23:51
Truthfulness of Entanglement Fidelity
Awarded Feb 22 at 7:10
Truncated Qumode States and Support
Awarded Jan 24 at 20:50
Running circuits back to back in Qiskit
Awarded Jan 10 at 14:03
How to devise a flag qubit scheme for concatenated codes?
Awarded Dec 26, 2023 at 21:34
Why is it hard to prove complexity bounds for variational algorithms?
Awarded Nov 15, 2023 at 0:08
how is logical error rate calculated?
Awarded Oct 5, 2023 at 23:17
How should $\rho(b,b')$ be interpreted in the context of classical-quantum state
Awarded Sep 1, 2023 at 18:21
Why is the combination of NTRU Prime and X25519 ECDH in OpenSSH believed to be secure against quantum attacks?
Awarded Jul 26, 2023 at 9:48
Is it possible to automatically rename a job at submission time?
Awarded Feb 16, 2023 at 16:57
Realizing a swap gate using a commutator sequence and an auxiliary qudit
Awarded Dec 6, 2022 at 20:57
CNOT quasiprobability decomposition with $\gamma = 3$
Awarded Oct 25, 2022 at 16:42
Prove that a channel is close to acting on only one system
Awarded Sep 1, 2022 at 17:02
Why can't there be an error detecting code with fewer than 4 qubits?
Awarded Aug 5, 2022 at 12:57
On the photonic implementation of Shor's code
Awarded Jun 22, 2022 at 14:41
Qubit dephasing times
Awarded May 16, 2022 at 8:04
Is it essential to apply Quantum Singular Value transformation twice for Hamiltonian simulation?
Awarded Apr 23, 2022 at 13:41
Two definitions of the Clifford group and their relation
Awarded Mar 27, 2022 at 9:41
State evolution and phase correction for iterative phase estimation
Awarded Feb 21, 2022 at 5:36
In a transmon qubit, what corresponds to the ground and excited states?
Awarded Dec 9, 2021 at 20:25
Understanding the Quantum Hebbian algorithm
Awarded Nov 16, 2021 at 12:01
What is the connection between Bures metric and (finite) Bures distance?
Awarded Jul 14, 2021 at 13:20
Transpilation on restricted topology does not yield an equivalent circuit in Qiskit
Awarded Jun 24, 2021 at 8:16
Apply readout error mitigation to mid-circuit measurement
Awarded Jun 15, 2021 at 18:16
Symbolic computation with quantum circuits
Awarded Apr 17, 2021 at 17:43
In Shor’s 9-qubit code, is the error syndrome for qubit 5 phase-flip the same as that for qubit 6 phase-flip?
Awarded Apr 11, 2021 at 2:20
What's the state-of-the-art to calculate $|Ab\rangle$, given a matrix $|A\rangle$ and a vector $|b\rangle$ in QRAM encoding
Awarded Mar 16, 2021 at 10:22
What is the general method for creating real gate sequences from mathematical algorithms?
Awarded Mar 7, 2021 at 22:21
How significant is achieving electronic transport in a single qubit at room temperature?
Awarded Mar 2, 2021 at 19:05
Condition that a tripartite/multipartite qubit state does/does not admit a Schmidt decomposition?
Awarded Feb 27, 2021 at 3:46
Confusion about the output distribution of Haar random quantum states
Awarded Feb 2, 2021 at 15:07
Nielsen&Chuang 5-qubit quantum error-correction encoding gate
Awarded Nov 6, 2020 at 8:51
How can the Holevo bound be used to show that $n$ qubits cannot transmit more than $n$ classical bits?
Awarded Aug 11, 2020 at 14:16
What is the pseudo threshold of a QECC using stabilizer formalism
Awarded Jul 26, 2020 at 16:46
Product of block-encoded matrices
Awarded Jul 5, 2020 at 12:55
Is there a quantum operation to change a phase $e^{(0.q_0 q_1 q_2 q_3)}$ into $e^{(0.q_1 q_2 q_3)}$?
Awarded Jun 28, 2020 at 3:25
What are the biggest obstacles currently preventing us from solving real world problems defined in terms of quantum simulation?
Awarded May 27, 2020 at 10:11
ZX-Calculus: how to prove this simple equation between two very small circuits
Awarded Feb 17, 2020 at 15:50
Atom magnetic moment caused by orbiting electron
Awarded Feb 1, 2020 at 7:45
Syndrome extraction operator as matrix?
Awarded Jan 8, 2020 at 17:10
Reversal of time arrow on IBM Q
Awarded Jan 6, 2020 at 21:55
Nielsen and Chuang, Exercise 6.12: How to simulate the specific Hamiltonian in the search algorithm by the Oracle gates?
Awarded Jan 4, 2020 at 13:25
Implications of commuting within the code space
Awarded Dec 2, 2019 at 3:55
Why does entanglement not increase the classical capacity of a channel?
Awarded Sep 20, 2019 at 19:15
Does the Copenhagen interpretation (+ "quasi-classical measuring apparatus") allow one to bypass a derivation's objection?
Awarded Sep 20, 2019 at 18:10
Intuition about Knill-Laflamme QEC conditions
Awarded Aug 29, 2019 at 22:35
Can we amplify BPP algorithms with a random quantum circuit?
Awarded Jul 2, 2019 at 12:15
Quantum teleportation of a state, from one of two bases
Awarded Apr 3, 2019 at 15:10
How to speed up the matrix multiplication steps in multi-linear regression?
Awarded Sep 8, 2018 at 12:50
What could be the possible future applications for HHL algorithm?
Awarded Jul 20, 2018 at 14:06
Quantum XOR Linked List Construction
Awarded Jul 2, 2018 at 15:19
Why is it crucial that the initial Hamiltonian does not commute with the final Hamiltonian in adiabatic quantum computation?
Awarded Jul 2, 2018 at 7:39
Jones Polynomial
Awarded Jun 18, 2018 at 5:12
Grover's Algorithm and its relation to complexity classes?
Awarded Jun 4, 2018 at 16:44
Does a complete list of open quantum software projects exist?
Awarded May 3, 2018 at 3:56
In a Quantum Turing Machine, how is the decision to move along the memory tape made?
Awarded Apr 7, 2018 at 15:50