Tag: optimization

11 Is there any general statement about what kinds of problems can be approximated more efficiently using a quantum computer? 2018-04-05T01:34:23.260

11 Devising "structured initial guesses" for random parametrized quantum circuits to avoid getting stuck in a flat plateau 2018-05-15T02:06:58.443

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

9 Is there a general method of expressing optimization problem as a Hamiltonian? 2019-06-09T10:10:41.253

8 Minimum number of CNOTs for a 4-qubit increment on a planar grid 2018-08-07T22:28:33.967

8 Understanding the Group Leaders Optimization Algorithm 2018-10-17T17:25:00.750

8 Comparing method of differentiation in variational quantum circuit 2021-01-07T10:14:55.517

7 Minimum number of CNOTs for Toffoli with non-adjacent controls 2018-08-07T05:35:22.910

6 Travelling salesman problem on quantum computer 2020-01-12T21:43:49.257

5 Application of classical approximate optimization algorithm to bottlenecks of quantum computing 2018-07-24T19:21:03.107

5 Resources on hybrid quantum-classical algorithms applied to combinatorial optimization problems 2018-11-17T14:46:45.760

5 How to tell if the ground states of two Hamiltonians are solutions of the same optimization problem? 2019-06-09T11:11:50.623

5 Computing the expectation values of a Hamiltonian constructed from a cost functions in combinatorial optimization 2020-07-14T00:45:36.873

5 Qiskit Portfolio Optimization Application 2020-08-12T03:25:51.103

4 Genetic algorithm does not converge to exact solution 2019-04-01T18:40:42.057

4 How to implement NM Algorithm for Variational Quantum Eigensolver? 2019-06-23T02:24:04.223

4 General mixed integer linear programming problem with quantum computers 2019-10-27T23:59:16.030

4 How to explain that I get a value lower than the smallest possible through minimization procedure in VQE? 2019-12-08T20:41:38.690

4 What are the differences between the different transpiler optimization levels in qiskit 2020-04-11T18:23:52.967

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

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

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

3 How to run algorithms on IBMQ via Qiskit-Aqua? 2018-10-15T21:23:33.563

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 Optimizing over quantum channels 2020-01-16T11:31:47.577

3 Forbidden/allowed outputs of a quantum channel 2020-01-27T19:10:10.347

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

3 What is the query complexity of the QUBO algorithm? 2020-09-02T00:54:01.503

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

3 Does the Qiskit ADMM optimizer really run on quantum computers? 2020-12-13T02:31:57.737

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 Question on practical quantum computing programming code 2021-01-24T04:38:47.760

3 From QUBO matrix to Ising model in Qiskit 2021-02-20T16:16:53.787

2 Optimal sampling strategy for VQE 2019-01-30T04:04:05.687

2 Optimise implementation of a quantum algorithm when an input is fixed 2019-03-05T13:11:52.627

2 Evolving a quantum circuit using a genetic algorithm 2019-03-26T03:09:11.957

2 What does it mean to have 2000 qubits and 6016 couplers? 2019-04-22T00:20:46.663

2 Quantum Optimization algorithms 2019-11-15T00:06:10.653

2 Quantum Annealing - Job Shop Problem 2020-02-20T22:21:02.780

2 How can I implement partial transpose on a variable in Picos (Python, trying to solve an SDP)? 2020-02-24T17:03:07.037

2 How to convert QUBO problem to Ising Hamiltonian? 2020-04-23T14:09:57.277

2 How can I solve the problem of optimisation the quantum computer? 2020-08-17T12:47:41.097

2 Qiskit sample - Portfolio optimization 2020-09-06T06:11:31.773

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

2 Quadratic optimization in Qiskit: Error when QuadraticProgram with quadratic constraint converted to QUBO 2020-09-17T12:26:20.787

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 How to implement the Maximum or Minimum Searching Algorithm (QUMMSA) circuit in Quirk? 2020-11-10T00:36:10.040

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 Vertex Cover mappings from QUBO to Ising and vice versa 2021-02-17T13:26:46.093

1 Applying Group Leaders Optimization to Quantum Belief Systems 2018-10-19T16:51:09.613

1 Entanglement and teleportation in quantum annealing and parallel computation 2019-11-17T19:06:01.783

1 What is the risk factor on IBM's portfolio optimization notebook? 2020-03-21T13:53:57.843

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 van Dam's proof for adiabatic optimization and graph diameter 2020-05-05T01:04:05.717

1 SPSA max_trials 2020-05-08T16:35:35.330

1 Layout Method in qiskit 2020-05-11T11:14:29.663

1 Optimization using Quantum Logics 2020-08-26T20:50:22.620

1 Qiskit: Error when importing libraries for ADMM optimizer 2020-09-24T11:43:00.383

1 In quantum adiabatic simulation, is the $s$ in $(1-\frac{s}{T})H_{in}+\frac{s}{T} H_{cl}$ related to the $t$ in $e^{-iHt}$? 2021-02-22T04:20:07.283

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

0 Quantum algorithm for binary assignment problem 2020-01-31T13:30:44.110

0 What is Ising Hamiltonian ? What its role in Portfolio Diversification? 2020-04-08T18:26:02.577

0 How to stop optimization of a circuit during transpiling in web-interface of IBM Q? 2020-06-10T09:35:00.053

0 Is there a quantum circuit to find the maximum of two inputs? 2020-11-12T01:46:26.393

-1 Implementing a circuit that returns $|01\rangle$ and $|10\rangle$ with equal probability 2020-09-13T18:39:37.790