Tag: qaoa

9 What is the difference between QAOA and Quantum Annealing? 2018-04-01T03:53:27.287

9 Barren plateaus in quantum neural network training landscapes 2018-06-11T20:18:39.413

8 Is VQE a class of algorithms or a specific algorithm? 2019-10-24T15:22:43.307

8 Is there a mistake in the VQE Ansatz in Cirq's tutorial? 2019-11-06T08:57:33.393

7 Why does QAOA achieve quantum supremacy in an algorithmic sense? 2021-02-08T18:51:55.030

4 Resource recommendation on quantum simulations 2020-05-23T15:29:12.487

4 QUBO, Ising Hamiltonians and VQA 2020-10-11T17:36:51.753

4 In QAOA, why do we pick the initial Hamiltonian $B$ to be $\sigma_x$ applied to each qubit? 2020-11-25T13:51:59.150

4 In QAOA why do we need $m \log(m)$ repititions to get at least $F_{p}(\beta , \gamma) - 1$ with probability of $1 - 1/m$? 2020-11-28T08:47:42.797

4 Classical optimisation of angles in QAOA for TSP gets stuck in local minima? 2020-12-03T11:18:33.083

4 Why QAOA with $p \rightarrow \infty $ gives the optimal solution? 2021-01-03T05:22:03.123

4 Properties of QAOA 2021-02-07T20:36:52.473

4 Solving higher-order (unconstrained) binary optimization problems with QAOA without quadratization 2021-02-12T23:10:23.837

3 QAOA and symmetry effects on the angles 2019-07-14T15:31:24.693

3 How does the fact that the output of a quantum circuit cannot be efficiently simulated classically help for optimisation? 2019-07-20T19:13:15.657

3 Quantum algorithms, combinatorial optimization, and approximation bounds 2019-11-14T21:40:25.330

3 QAOA for MaxCut - Algorithm motivation 2020-02-18T18:12:55.830

3 QAOA Belongs into VQE or the other way around? 2020-04-10T21:05:18.240

3 What is the implication of locality in QAOA? 2020-07-19T14:10:13.613

3 How does the classical optimization of the angles $\gamma$ and $\beta$ in QAOA work? 2020-09-29T11:17:26.440

3 Can QAOA solve a constraint optimization problem? 2020-12-17T01:05:55.323

3 Implemented QAOA returns wrong result 2021-01-05T02:30:16.220

3 Is $\gamma \in [0,2 \pi]$ or $\gamma \in [0,\pi]$ in $CU1(2\gamma)_{(i,j)} $? 2021-01-26T18:54:28.677

3 Initial state definition for QAOA 2021-02-07T08:27:02.830

2 QAOA Maxcut for larger qubits 2019-09-27T15:13:53.767

2 What does the notation $U(B,\beta) = \prod_{j =1}^n e^{-i \beta \sigma_j^x} $ mean in the context of QAOA? 2020-04-03T13:00:24.627

2 What does the maximum of a Hamiltonian means (in a particular paper)? 2020-04-06T12:57:27.337

2 Why do we transform a Boolean variable into a a Pauli Z matrix 2020-06-08T21:31:24.203

2 Quantum Circuit Optimization with Machine Learning 2020-09-14T16:24:03.300

2 Can QAOA be considered as simulation of a quantum annealer on a gate-based quantum computer? 2020-10-06T14:04:29.787

2 How to solve QUBO problems in Q#? 2020-10-12T11:34:24.273

2 Papers on classical optimization in QAOA 2020-10-15T19:56:29.473

2 How to implement the Mixer of Quantum Alternating Operator Ansatz for Max-Independent-Set 2020-10-25T19:13:32.030

2 Optimum Solution calculation for QAOA 2020-10-28T13:40:13.633

2 To find the best angles in QAOA why we do not optimize over a maximum ofall shots instead of a mean? 2020-11-26T14:30:24.063

2 Why does the problem Hamiltonian of QAOA always consist of $Z$ and $I$ gates? 2020-12-03T18:57:11.123

2 Decomposition of 2-qubit Hamiltonian into standard gate set for QAOA 2020-12-13T17:57:31.053

2 qiskit: Traveling Salesman Problem using QAOA fails for more than 3 cities 2020-12-16T14:54:40.790

2 How to use Initial States in Qiskits QAOA? 2021-01-21T09:08:21.517

2 Qiskit: getting QAOA expectation 2021-01-24T10:53:29.623

2 Is the problem Hamiltonian in QAOA and AQC always a phase Hamiltonian? 2021-01-30T13:54:30.550

2 Quantum Machine Learning in NISQ era 2021-02-05T17:02:05.933

2 Qiskit: Taking a QUBO matrix into `qubit_op' 2021-02-16T14:08:22.023

1 How to understand run_algorithm() inputs in qiskit 2019-09-05T13:59:11.317

1 Backend Warning: The skip Qobj validation does not work for IBMQ provider. Disable it 2019-09-19T00:43:41.580

1 VQE with error dim. mismatch using qiskit.aqua.vqe 2020-02-28T16:19:41.897

1 Is there a limit to the size of problems that your simulators can run on Qiskit Aqua? 2020-04-28T22:57:08.987

1 Evaluated Standard deviation during QAOA/VQE optimization is always zero. Qiskit 0.19 2020-05-11T17:06:10.273

1 What is meant by "local minimum" in QAOA? 2020-09-03T06:43:48.973

1 Deriving Expression For QAOA Optimal Trial State Parameters 2020-09-12T09:10:31.277

1 How to construct Hamiltonian for combinatorial optimization problems and then convert into Pauli basis? 2020-09-18T11:13:37.307

1 An effective way to submit all the jobs for VQE/QAOA at a time to an IBMQ machine? 2020-10-09T19:22:23.420

1 Quantum Approximate Optimization Algorithm for $p=1$ 2020-11-02T19:40:12.083

1 Will there be any difference in solution for a weighted and unweighted graph? I mean is there any relation between weight and solution? 2021-02-16T14:23:21.893

1 IBM Qiskit QAOA gate implementation question 2021-02-20T15:27:52.117

1 What exactly happening in QAOA in a general way? 2021-02-23T14:03:38.620

0 VQE for Beginners : Using Tutorial and Cirq 2020-04-11T02:24:04.093

0 QAOA with Qiskit: Is the initial state affected by the noise model? 2020-05-14T11:40:41.767

0 How to do the direct evaluation by hand in QAOA algorithm 2020-07-27T02:43:21.897

0 Custom Mixer for QAOA: Error 'Operator' object has no attribute 'primitive_strings' 2020-10-02T13:15:25.173

0 Interpret graph nodes as qubits 2021-02-14T05:12:24.327