User Martin Vesely

16 votes

1 answer

4k views

Why are non-Clifford gates more complex than Clifford gates?

asked Jan 31, 2020 at 11:11

12 votes

3 answers

4k views

How to approximate $Rx$, $Ry$ and $Rz$ gates?

asked May 5, 2020 at 10:21

11 votes

2 answers

2k views

How many classical bits are needed to represent a qubit?

asked Mar 13, 2020 at 14:45

10 votes

1 answer

2k views

Travelling salesman problem on quantum computer

asked Jan 12, 2020 at 21:43

8 votes

1 answer

2k views

How to perform quantum state tomography on two qubits?

asked Dec 1, 2019 at 15:08

8 votes

1 answer

892 views

Classical algorithm with complexity similar to Shor's discovered: Are there more efficient quantum algorithms than Shor's?

asked Mar 9, 2021 at 13:59

8 votes

0 answers

176 views

How can time crystals be useful in qRAM design?

asked Aug 15, 2021 at 21:15

7 votes

2 answers

161 views

Quantum annealing - studies showing empirical evidence for better performance in comparison with classical computers

asked Jun 1, 2021 at 12:46

7 votes

1 answer

4k views

How to implement a Fredkin gate using Toffoli and CNOTs?

asked Dec 27, 2019 at 20:40

7 votes

1 answer

2k views

Physical implementation of gates on IBM Q

asked Mar 17, 2020 at 12:36

7 votes

1 answer

261 views

Why is phase gate a member of universal gate set?

asked May 6, 2020 at 13:59

7 votes

1 answer

585 views

Why is a different convention used for the $Rz$ implementation on IBM Q?

asked May 7, 2020 at 11:32

6 votes

2 answers

933 views

What are examples of quantum computing platforms availble for free (other than IBM Q)?

asked Apr 28, 2020 at 22:23

6 votes

1 answer

1k views

What is the state of the art on Quantum Random Access Memories? [duplicate]

asked Jan 4, 2020 at 12:54

6 votes

2 answers

806 views

Custom gates on IBM Q

asked Dec 13, 2019 at 13:04

6 votes

1 answer

215 views

Reversal of time arrow on IBM Q

asked Dec 25, 2019 at 16:24

6 votes

0 answers

297 views

Solving linear system $Ax=b$ with exponential speed-up via binary optimization?

asked Jun 17, 2021 at 8:46

6 votes

2 answers

664 views

What is a maximal number factored by Shor's algorithm so far?

asked Oct 26, 2020 at 12:00

6 votes

1 answer

190 views

Could a new benchmark of quantum processors Q-Score by Atos be more useful than quantum volume?

asked Dec 7, 2020 at 12:02

5 votes

2 answers

1k views

Is there a circuit to compare two quantum states?

asked Sep 21, 2020 at 7:12

5 votes

1 answer

495 views

Can QAOA be considered as simulation of a quantum annealer on a gate-based quantum computer?

asked Oct 6, 2020 at 14:04

5 votes

2 answers

375 views

Moore's law for quantum computers

asked May 31, 2020 at 6:58

5 votes

3 answers

687 views

Drawing the circuit in Qiskit - how to set same style as in Composer?

asked May 6, 2021 at 6:57

5 votes

1 answer

88 views

Is it possible to set quantum volume in IBM Quantum simulator?

asked Nov 26, 2021 at 9:59

5 votes

1 answer

317 views

Problem with quantum tomography on two qubits

asked Dec 13, 2019 at 14:40

5 votes

2 answers

1k views

Trying to build a circuit for quantum teleportation on IBMQ I get ERROR_RUNNING_JOB error

asked Nov 5, 2019 at 12:42

5 votes

1 answer

330 views

Why is implementation of controlled Hadamard on IBM Q so complex?

asked Jan 6, 2020 at 17:12

5 votes

2 answers

4k views

How to convert QUBO problem to Ising Hamiltonian?

asked Apr 23, 2020 at 14:09

5 votes

2 answers

1k views

Quantum computing in finance - list of articles

asked Jan 18, 2020 at 11:15

5 votes

1 answer

1k views

What is the $\lambda$ parameter in the $U3$ gate used for?

asked Jan 27, 2020 at 13:24

Stack Exchange Network

78 Questions

Why are non-Clifford gates more complex than Clifford gates?

How to approximate $Rx$, $Ry$ and $Rz$ gates?

How many classical bits are needed to represent a qubit?

Travelling salesman problem on quantum computer

How to perform quantum state tomography on two qubits?

Classical algorithm with complexity similar to Shor's discovered: Are there more efficient quantum algorithms than Shor's?

How can time crystals be useful in qRAM design?

Quantum annealing - studies showing empirical evidence for better performance in comparison with classical computers

How to implement a Fredkin gate using Toffoli and CNOTs?

Physical implementation of gates on IBM Q

Why is phase gate a member of universal gate set?

Why is a different convention used for the $Rz$ implementation on IBM Q?

What are examples of quantum computing platforms availble for free (other than IBM Q)?

What is the state of the art on Quantum Random Access Memories? [duplicate]

Custom gates on IBM Q

Reversal of time arrow on IBM Q

Solving linear system $Ax=b$ with exponential speed-up via binary optimization?

What is a maximal number factored by Shor's algorithm so far?

Could a new benchmark of quantum processors Q-Score by Atos be more useful than quantum volume?

Is there a circuit to compare two quantum states?

Can QAOA be considered as simulation of a quantum annealer on a gate-based quantum computer?

Moore's law for quantum computers

Drawing the circuit in Qiskit - how to set same style as in Composer?

Is it possible to set quantum volume in IBM Quantum simulator?

Problem with quantum tomography on two qubits

Trying to build a circuit for quantum teleportation on IBMQ I get ERROR_RUNNING_JOB error

Why is implementation of controlled Hadamard on IBM Q so complex?

How to convert QUBO problem to Ising Hamiltonian?

Quantum computing in finance - list of articles

What is the $\lambda$ parameter in the $U3$ gate used for?