Report 08 24 2021 - qiskit-community/repo-monitor GitHub Wiki

Issues report | 08-24-2021

Qiskit/qiskit-terra

Community member related issues
Issue # Title of the issue Days since last update Days since last comment by member Last comment by Created at Author PR Assignee
923 QASM parser needs polishing 795 1067 jwoehr 2018-09-20 1ucian0 None None
3289 X Gate after measure impacts measurement on real backends. 612 671 taalexander 2019-10-21 patdenim None None
3250 Implement pass checking for multiple measurements on the same qubit 612 671 taalexander 2019-10-12 Travis-S-IBM None None
2402 Circular import at pulse.schedule and pulse.ops 612 None 2019-05-11 diego-plan9 None None
1963 Make Parallel Functions Able to Run on Multiple Nodes on a Cluster 612 None 2019-03-13 Qutrit None None
3542 Discussion: should gates be equal if their type and parameters match? 602 629 dime10 2019-12-03 dime10 None None
3433 Incorrect transpilation of phase-gadgets with small angles on optimisation level 2 and 3 602 602 ajavadia 2019-11-07 alexcowtan None None
3360 Transpiler won't remove Gate->Inverse pairs when basis_gates is None 602 662 jwoehr 2019-10-30 kdk None ajavadia
3315 Plot_city_state central plane not drawn behind all positive columns 602 None 2019-10-24 dime10 None None
3333 Warning msg instead of error msg "JobStatus.ERROR" when no classical register is defined 588 588 kdk 2019-10-28 patdenim None None
3804 Extracting values from Parameter 563 563 kdk 2020-02-07 mx73 None None
1742 Factor out OpenQASM parser 555 556 jwoehr 2019-02-01 eddieschoute None None
3294 execute should take job_name as a kwarg 531 None jwoehr 2019-10-22 nonhermitian None None
3540 Make add_control identify known definitions by type not name 511 587 kdk 2019-12-03 dime10 None None
3728 Instruction.params updates not reflected in definition (if definition already called) 509 511 willhbang 2020-01-20 kdk None None
4010 Gate.control() method rasies the error 'Cannot make controlled gate with id instruction' 491 511 ewinston 2020-03-24 ljubabu None ewinston
3626 expand BackendProperties in PassManagerConfig 445 445 BlakeGerard 2019-12-18 ajavadia None None
4742 Running qasm_simulator for more than 24 Qbits 402 None 2020-07-17 gitkarma None None
3407 qiskit.quantum_info needs module level docstrings 391 None abhik-99 2019-11-06 nonhermitian None None
4891 pi_check works on too many values 381 None a-kapila 2020-08-07 a-kapila None None
4896 statevector_simulator gives wrong results for circuits with classical bits 378 379 a-kapila 2020-08-08 a-kapila None a-kapila
4892 Incorrectly overlaid subplots when ax= parameter of plot_state_qsphere is used 374 None amirebrahimi 2020-08-08 amirebrahimi None None
4923 Transpiler adds gates on unused qubits with routing_method='lookahead' 373 None DavideFrr 2020-08-13 cduck None None
4741 Utilizing multiple cores of machine for qasm_simulator 373 None gitkarma 2020-07-17 gitkarma None None
4916 Statevector objects are not scriptable 372 None DavideFrr 2020-08-12 nonhermitian None None
4886 Teleportation circuit plot 371 None bettinaheim 2020-08-04 bettinaheim None None
4956 Inverse and Pseudo-Inverse of operator using Qiskit-terra operator class. 368 None 2020-08-20 YashawantParab None None
4608 Add optional restore_layout flag to transpiler 364 364 1ucian0 2020-06-23 mlxd None 1ucian0
3995 Filter qubits from the circuit and a mutable circuit width 359 None BKGodd 2020-03-19 Cryoris None kdk
4688 Small issue of qasm.node.Real (and a question) 354 405 mrcdr 2020-07-13 mrcdr None None
5042 ParameterExpression is killing the Performance of Parameter.bind 349 None 2020-09-08 eliphatfs None None
4922 Almost duplicate job_monitor.py in qiskit-terra & qiskit-ibmq-provider 349 349 1ucian0 2020-08-12 immaryw None None
4625 BasicAer needs H 348 348 1ucian0 2020-06-27 zhangl64 None None
5090 Inverse and Pseudo-Inverse of operator using Qiskit-terra operator class. 339 339 Cryoris 2020-09-18 YashawantParab None None
4844 Add an entangle function 339 339 Cryoris 2020-07-31 edwinagnew None None
5021 Support to plot multiple statevectors on the same Bloch sphere using plot_bloch_multivector 330 None Vismai-Khanderao 2020-09-03 dhruvbhq None None
5011 Should unitarily-defined gates be moved to quantum_info? 329 356 scottwn 2020-09-01 1ucian0 None None
5082 qc.qasm() generate as many gate definitions as gate usages 326 333 1ucian0 2020-09-17 raulotaolea None None
5036 Qasm parsing error for custom gates. 326 348 special-kay 2020-09-07 special-kay None None
3213 rename QiskitBackendNotFoundError to BackendNotFoundError 326 686 Nic0lasBB 2019-10-06 1ucian0 None None
901 Comments should be AST nodes 326 916 jwoehr 2018-09-13 1ucian0 None None
5155 Change distance matrix for layout mapping 325 325 peachnuts 2020-09-30 peachnuts None None
4447 qasm() don't work with gate added by squ() 323 356 1ucian0 2020-05-14 Zhuravlev-A-E None None
4374 diagonal gate "qasm" is not valid qasm 323 340 olipinski 2020-05-01 1ucian0 None None
5158 Ancilla qubits added by transpiler are not AncillaQubit's ? 321 321 kdk 2020-09-30 aeddins-ibm None None
4623 Error in extracting qasm code from a controlled UnitaryGate 321 323 faisaldebouni 2020-06-26 MatthewGregoire42 None None
5226 Gaussian square parametric pulse documentation 314 None 2020-10-13 miamico None None
5236 Suboptimal transpilation of UCCSD with custom connectivity 310 None SeifMostafa 2020-10-15 yaelbh None None
5275 template library organization 301 None born-2learn 2020-10-22 ajavadia None None
4158 Using measure_all causes get_counts to return misformed data 301 301 1ucian0 2020-04-14 sportwagon None None
888 The parser should care less about the semantics and focus exclusively on the syntaxis 293 917 chetmurthy 2018-09-11 1ucian0 None None
5376 Calling execute over a list of circuits duplicates the main running process x9 285 285 pedrorrivero 2020-11-11 pedrorrivero None None
5395 CrosstalkAdaptiveSchedule does not parse backend properties correctly for U1,U2,U3 gates 283 None 2020-11-13 prakashmurali None None
5445 Getting Choi-matrix of a subsystem 268 None 2020-11-28 danielecuomo None None
5456 FakeRueschlikon has wrong backend properties 264 None 2020-12-02 VicentePerezSoloviev None None
5491 Optimization level 3 gives more complex circuits 258 None 2020-11-17 wjy99-c None None
5214 print full SHA1 revision number in release+revision number in version.py 256 256 1ucian0 2020-10-12 jlatone None None
5052 CSPLayout should be noise-aware 256 346 czachow 2020-09-10 czachow None None
5571 parallel map raises BrokenProcessPool error on macOS 11.1 with Python 3.9.1. 233 None 2021-01-02 kurabirko None None
5381 Implement functional schedule equivalence 221 None jonathanortega2023 2020-11-11 lcapelluto None None
5252 FM/PM Gates in OpenPulse 221 309 drewrisinger 2020-10-16 drewrisinger None None
5148 Instructions SetFrequency/ShiftFrequency do not accumulate phase 220 None moroses 2020-09-29 taalexander None None
3688 Registration decorator for parametric pulse shapes 220 464 drewrisinger 2020-01-06 lcapelluto None eggerdj
3842 diag_gate does not raise when diagonal entries do not have modulus 1 217 217 Cryoris 2020-02-14 hhyap None ewinston
5285 Raise at construction time when CouplingMap or Layout are built with negative or invalid numbers 214 None enavarro51 2020-10-23 1ucian0 None None
5713 VQE parameter bounds 209 291 woodsp-ibm 2020-11-04 MariaSapova None None
5709 VQE: more shots on last iteration; stop iteration on-demand 209 300 pbark 2020-10-19 aeddins-ibm None None
5715 Grover's algorithm error correction 209 209 woodsp-ibm 2020-10-12 edwinagnew None None
5720 Ability to stop job if it fails with 9999 error code 209 None 2020-04-22 AzizNgoueya None None
5721 Not expected ordering of parameters in energy evaluation call 208 208 Cryoris 2020-11-13 dgiannelli None None
5729 Efficient implementation of exp(iHt) for an arbitrary hermitian matrix H 208 371 molar-volume 2020-08-13 anedumla None None
5724 VectorStateFn(primitive, is_measurement=True) can not be converted to_circuit_op 208 None deeplokhande 2020-08-06 molar-volume None None
5745 SummedOp: chop summands with a coefficient of 0 206 414 JosephDenman 2020-07-03 Cryoris None None
5726 Allow for appending multiple circuits at once 203 203 enavarro51 2021-01-27 nonhermitian None None
5747 Parallelization of parameter evaluation 203 203 woodsp-ibm 2020-08-04 gvnjones None None
5799 Attribute Error: Can't pickle local object when sending multiple circuits in job 199 199 naezzell 2021-02-04 naezzell None None
5820 quantum measurement method qiskit doesn't work 195 None sassan72 2021-02-09 sassan72 None None
5815 error with new version of qiskit. 195 195 sassan72 2021-02-09 sassan72 None None
5763 Implement the Variational Quantum Linear Solver (VQLS) 194 194 stefan-woerner 2020-10-13 nelimee None None
5817 multicontrolled gates 193 193 sassan72 2021-02-09 sassan72 None None
5856 result.repr crashes for backend unitary_simulator 188 189 vvilpas 2021-02-15 brunorijsman None None
5862 CrosstalkAdaptiveSchedule needs to be updated according to the latest basis gates 187 None 2021-02-17 peachnuts None None
5832 Maximum iteration reached. max_iteration=1000 186 186 kdk 2021-02-10 jasonlarkin None None
5932 Specification of figure windows to plot to 175 None 2021-03-01 peendebak None None
5942 Add name or label to Channel 174 None 2021-03-02 peendebak None None
5878 CommutativeCancellation performs incorrect commutation 173 None godott 2021-02-19 Serock3 None None
6004 Evaluating expectations having used QuantumCircuit.isometry gives wrong results with StateFn 158 158 Cryoris 2021-03-10 anedumla None jlapeyre
5233 ParameterVector support for Schedules 157 157 alejomonbar 2020-10-14 lcapelluto None alejomonbar
3885 Pulse visualizations should support ability to provide a matplotlib ax 157 308 godspeed5 2020-02-25 taalexander None godspeed5
6091 Binding to Parameters name rather than parameters instance. 150 None santoshkumarradha 2021-01-30 santoshkumarradha None None
6094 Issue with circuit.draw('mpl') when used in Jupyter Notebook. 150 None divshacker 2020-12-30 Archit3115 None None
6093 something like base estimators in sklearn 148 148 Cryoris 2021-01-22 vishwas1234567 None None
6136 MatplotlibDeprecationWarning: The M attribute was deprecated in Matplotlib 3.4 144 144 mtreinish 2021-04-01 sanori None None
6204 RunningPassManager overwrites calibrations from passes 132 133 nelimee 2021-04-12 nelimee None nelimee
6104 Automatic ordering of parameters inside ParameterView 132 132 molar-volume 2021-03-29 molar-volume None None
6247 Commutation aware SWAP transpiler passes 129 None 2021-04-16 johannes-weidenfeller None None
6246 Initialize should be composed of Resets + StatePreparation 129 None 2021-04-16 adjs None None
6205 Fix: RunningPassManager overwrites calibrations from passes 125 None 2021-04-12 nelimee https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6205 eggerdj
6074 Draft: Parameters 125 None 2021-03-24 molar-volume https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6074 None
5953 Remove explicit parameter sorting from algorithms 125 125 molar-volume 2021-03-03 woodsp-ibm None Cryoris
5725 ipython_display in QuantumCircuit allows nice output when circuits are the last stmt in jupyter notebooks 125 207 CLAassistant 2021-01-27 1ucian0 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5725 None
5573 BQSKit Integration in UnitarySynthesis Pass 125 None CLAassistant 2021-01-04 edyounis https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5573 1ucian0
5399 Fixes problem with CrosstalkAdaptiveSchedule not parsing backend properties correctly for U1, U2, U3 gates 125 None 2020-11-16 elmandouh https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5399 None
5293 fixed issue 5283 by changing output of result.py 125 None CLAassistant 2020-10-26 Vansh-Sethi https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5293 None
5186 [WIP] fixed issue 5155 by changing distance of sabre mapping beging noise aware 125 None CLAassistant 2020-10-06 peachnuts https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5186 None
5179 Fixed issue 4526 by adding InitializeGate 125 301 incud 2020-10-03 incud https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5179 None
5144 Add OpaqueInstruction type 125 None CLAassistant 2020-09-29 1ucian0 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5144 mtreinish
5033 Fixed issue 3995 by incorporating circuit mutability 125 None 2020-09-05 BKGodd https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5033 None
4843 Entangle function 125 None 2020-07-31 edwinagnew https://api.github.com/repos/Qiskit/qiskit-terra/pulls/4843 None
4825 [WIP] Added plot_state_pixel to State Visualizations 125 336 nonhermitian 2020-07-29 AustinGilliam https://api.github.com/repos/Qiskit/qiskit-terra/pulls/4825 None
3950 enable controlled opaque gates. 125 454 CLAassistant 2020-03-10 ewinston https://api.github.com/repos/Qiskit/qiskit-terra/pulls/3950 None
6279 Cannot Repeat HHL Example Result 124 None 2021-04-21 hywong2 None None
6122 Transpiler returning the shortest-depth circuit 124 124 kdk 2021-03-31 AlessandroCarbone None None
6264 Better batching of circuits 123 123 ShellyGarion 2021-04-20 rsln-s None None
6208 Aer and BasicAer generate different states for the UC gate 123 None 2021-04-12 adjs None None
6276 Add option on qiskit.visualization.plot_histogram to show all possible states 122 122 kdk 2021-04-21 SushantGautam None None
5075 Noiseaware CSPLayout pass 122 124 1ucian0 2020-09-16 czachow https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5075 1ucian0
4949 QuantumCircuit.diagonal does not provide global phase when it is used in a controlling circuit 122 None 2020-08-19 ljubabu None None
6301 Add functionality to retrieve index of qubit in a register 119 None 2021-04-26 peendebak None None
6243 Max Likelihood Amplitude Estimator applies post processing twice to the confidence interval 119 None Francesco-Benfenati 2021-04-16 Francesco-Benfenati None Cryoris
6308 When drawing the pulse using Schedule's draw function, the pulse is not displayed from 0s. 118 None 2021-04-27 kUmezawa None kUmezawa
6332 Tutorial "machine-learning-qiskit-pytorch" not working with more recent version of qiskit 116 None 2021-04-29 alessandrofarace None None
6330 Parallel circuit averaging 116 None 2021-04-29 Mvfitzpatrick None None
6140 Function to plot bloch sphere using Amplitude of States 114 124 Arihant-Joshi 2021-04-02 Arihant-Joshi None None
6342 Create representation methods for qiskit classes 113 None 2021-05-02 peendebak None None
6346 QuantumCircuit has no attribute 'save_statevector' 110 110 WiFisunset 2021-05-03 teaguetomesh None None
6371 Testing Latex drawer using binder 109 None 2021-05-06 TharrmashasthaPV None None
6376 ParameterExpression does not support comparison operators 105 105 ewinston 2021-05-07 eendebakpt None None
6400 CircuitStateFn in opflow could be extended to support quantum circuits with classical registers 104 None 2021-05-12 riddhisw None None
6398 Wrong ordering convention in opflow tensor docs? 103 103 Cryoris 2021-05-11 aeddins-ibm None jlapeyre
5568 Fix issue with assigning parameters to pulse gate definitions #5524 103 116 javabster 2020-12-29 paolob67 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5568 lcapelluto
5398 [WIP] Attempt to implement a functional schedule equivalence 103 116 javabster 2020-11-15 elmandouh https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5398 lcapelluto
5240 Enhancement Schedule assign_parameters to include ParameterVector 103 141 alejomonbar 2020-10-15 alejomonbar https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5240 lcapelluto
4861 Raise errors if value of rep_time and rep_delay is set and the value not acceptable by the backend 103 116 javabster 2020-08-04 rochisha0 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/4861 None
5708 SPSA: occasionally evaluate at unperturbed parameters 97 97 Cryoris 2020-11-18 aeddins-ibm None None
1179 Switch from pylint to flake8 90 265 enavarro51 2018-10-31 mtreinish None None
6468 small rotation angles (parametrised) not removed by transpiler passes 88 88 howie-kuo 2021-05-27 howie-kuo None None
6481 Plots generated by plot_circuit_layout need to be more readable for multi-register circuits 84 87 EgrettaThula 2021-05-28 EgrettaThula None None
5692 Equivalence checker 84 84 burgholzer 2021-01-24 yaelbh None None
5748 Statevector probabilities hard to read due to floating point round-off not being truncated 82 86 TheGupta2012 2021-01-29 nonhermitian None None
6499 Grover's Migration from Aqua to Qiskit Terra 81 81 Cryoris 2021-06-02 atilsamancioglu None None
6007 Draft: Sharpness-Aware Minimisation module 81 None 2021-03-10 molar-volume https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6007 None
6509 Adding migration guide for local repos to change branch from master to main as default branch 80 None 2021-06-04 paniash None None
6490 [WIP] Arithmetic circuit library subtractors 78 None 2021-06-01 ManjulaGandhi https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6490 None
6466 Loading a circuit from a QASM file created from a QuantumVolume circuit fails. 78 84 singhmeet11 2021-05-26 adekusar-drl None None
6079 dedicated directory for pulse transformations in the transpiler 77 98 fs1132429 2021-03-24 ajavadia None amitracal
5098 Some QuantumCircuit methods have label parameter, some not. 77 77 javabster 2020-09-21 enavarro51 None eptru
6535 fixes issue 5748 by changing default round off error 76 None 2021-06-08 TheGupta2012 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6535 None
6526 The schematic plot is broken if I use space in tex style name. 76 None 2021-06-08 yoshida0112 None None
6518 Add support for abs to ParameterExpression 76 None peendebak 2021-06-07 peendebak None None
6195 Transpiler optimization not finding solutions mod 2pi 76 None TheGupta2012 2021-04-10 jaygambetta None levbishop
6529 [WIP] correct broken schematic plot when I use space in tex style name 75 None CLAassistant 2021-06-08 yoshida0112 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6529 None
6516 Returns 2**num_qubits 75 76 WiFisunset 2021-06-06 WiFisunset https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6516 None
6397 Title overlaps in plot_bloch_multivector 75 None singhmeet11 2021-05-11 roshanrajeev None singhmeet11
6044 repair examples/python/ibmq/using_qiskit_terra_level_2.py 74 None CLAassistant 2021-03-17 ecpeterson https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6044 None
6019 Fake backends have different max_shots configurations 74 162 ishworii 2021-03-13 nonhermitian None None
3425 Aer in combination with multiprocessing 73 655 SiddharthaMorales 2019-11-06 mkiffner None atilag
4312 new qasm library 71 448 HuangJunye 2020-04-28 ajavadia None None
6569 ECR Gate with parameter 70 70 ajavadia 2021-06-14 catornow None None
6579 Visualize state vector using circle notation 69 None 2021-06-15 toural None None
5973 fixed issue 5862 by updating the basis gates 69 None peachnuts 2021-03-05 peachnuts https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5973 None
6583 Flattened conditional circuits give incorrect results 68 69 TharrmashasthaPV 2021-06-15 chriseclectic None None
6586 Method to unbind numerical values to build a parametric quantum circuit 67 67 kdk 2021-06-16 des137 None None
5607 Adding a new argument to plot_state_qsphere to visualize all the possible states on qsphere when set to True 67 None 2021-01-11 pragyakatyayan https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5607 mtreinish
2307 qiskit/visualization/counts_visualization.py needs testing 67 119 tgag17 2019-05-05 1ucian0 None tgag17
6615 Document behaviour of the qiskit passes run method 63 None 2021-06-21 eendebakpt None None
6544 Propagate limit_amplitude keyword argument to parametric pulses 63 70 dhruvbhq 2021-06-09 taalexander None dhruvbhq
6617 transpile may produce wrong results when coupling restraints are present. Example ccx 60 62 Costor 2021-06-21 Costor None None
6574 Multiple smaller issues found in source code of qiskit/circuit/ 59 59 1ucian0 2021-06-14 TimAlexisKoerner None None
6649 Fixed issue 6612 by covering ibmq examples by lint check 58 None dhruvbhq 2021-06-27 dhruvbhq https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6649 None
6648 Fix for issue #6616 by updating plot_circuit_layout in gate_map.py 58 None CLAassistant 2021-06-26 artmenlope https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6648 None
6651 Adding a function 'plot_state_surf' to qiskit.visualization 57 None 2021-06-28 WiFisunset None None
6632 QuantumCircuit.append ignores calibrations 55 None Nnayak3110 2021-06-23 eggerdj None None
5131 Enable discriminator/kernel return in QASM and add defaults 54 None CLAassistant 2020-09-25 zachschoenfeld33 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5131 None
6552 Fixed issue#6397 by adjusting the height of the title in plot_bloch_multivector 53 53 javabster 2021-06-09 singhmeet11 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6552 None
6169 Initilize instruction does not write a QASM definition 51 128 jwoehr 2021-04-06 omarcostahamido None None
6089 OpenQASM2 redo ANTLR Grammar -> AST -> QuantumCircuit 50 None jwoehr 2021-03-26 jwoehr None 1ucian0
5710 Potential issues with qasm parser 49 None FelixTruger 2021-01-26 FelixTruger None None
6692 [Visualization]: plot_histogram() mis-pairs states & labels when comparing data with number_to_keep=int 48 None drewrisinger 2021-07-06 drewrisinger None None
6657 New OpenQASM2 translator based on ANTLR4 grammar 48 55 jwoehr 2021-06-29 jwoehr https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6657 None
6486 Fix marginal counts for pulse jobs. Fixes #6430. 48 48 taalexander 2021-05-30 rithikaadiga https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6486 None
6053 Qasm2 as a module 48 None jwoehr 2021-03-19 jwoehr https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6053 None
6058 New Global Optimizer - Differential Evolution from Scipy 47 47 Cryoris 2021-03-19 davindratulsi https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6058 Cryoris
5278 add relational, min, max, floor, ceil, sqrt, arctan2 to ParameterExpression 47 47 peendebak 2020-10-22 ewinston https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5278 None
6706 Getting saved statevectors 46 None 2021-07-08 wagnersj None None
6698 Visualization: fix histograms (#6692) 46 None drewrisinger 2021-07-07 drewrisinger https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6698 None
6712 Cast circ to qasm via .qasm() fails when unitary added via circ.unitary() 46 None 2021-07-06 naezzell None None
5280 Undoing swappers with LayoutTransformation 46 None CLAassistant 2020-10-23 1ucian0 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5280 None
6230 Inconsistant ordering of marginal counts 45 45 mattwright99 2021-04-14 nonhermitian None mattwright99
6517 Create string_initialization function 43 76 WiFisunset 2021-06-06 WiFisunset https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6517 None
6707 Fix PiecewiseChebyshev for constant functions 42 46 anedumla 2021-07-08 anedumla https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6707 None
6514 Remove label parameter from gate methods in QuantumCircuit 42 None CLAassistant 2021-06-06 eptru https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6514 1ucian0
6734 PhaseOracle.from_dimacs_file() returns "Index out of range" error 41 None 2021-06-30 AlvinSeyir None 1ucian0
6735 Optimization levels not minimizing CX gates 41 41 kdk 2021-06-25 antetoko None None
6441 Implementing ADAPT-QAOA in qiskit.algorithms 41 None Avhijit-codeboy 2021-05-19 desireevl None None
6226 Global phase uc 41 111 ewinston 2021-04-14 adjs https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6226 ewinston
5657 Add the Solovay-Kitaev algorithm to the transpiler passes 41 None CLAassistant 2021-01-20 LNoorl https://api.github.com/repos/Qiskit/qiskit-terra/pulls/5657 1ucian0
6742 ImportError related to Tweedledum for Macosx-arm64 40 None willemrc 2021-07-14 JoelHBierman None None
6740 Utilizing the symmetry of MCX/Toffoli gates for optimization 40 None 2021-07-13 msciwoj1 None None
5228 UnitarySynthesis pass escapes basis 40 None singhmeet11 2020-10-14 ajavadia None None
6750 Fix typos and adopt a single convention for writing fractions and using parentheses in the documentation for standard gates 39 None 2021-07-14 tnemoz None None
5839 Transpiler may permute qubit ordering in statevectors, but not density matrices 39 193 chriseclectic 2021-02-11 Serock3 None None
3099 dag_drawer should check the existence of filename extension 39 42 Rajan117 2019-09-14 we-taper None Rajan117
6761 [WIP] Support for classical conditioning of gates on a list of classical bits 37 None 2021-07-17 TharrmashasthaPV https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6761 None
6731 Error in reverse_bits() method when used with circuits with isolated qubits 37 None apcarrik 2021-07-13 TharrmashasthaPV None apcarrik
6461 truth table from circuit 36 53 JoshDumo 2021-05-25 ajavadia None None
6764 [WIP] Allow to normalize statevector in Initialize 35 None 2021-07-19 daniel-fry https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6764 None
6760 Use Isometry to implement Initialize instruction 35 35 Cryoris 2021-07-17 EgrettaThula None None
6502 Create binder styles tests for pulse 35 None MartinBeseda 2021-06-03 enavarro51 None None
6752 Fix issue6684 branch 34 None CLAassistant 2021-07-15 Rajan117 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6752 None
6728 Fix Matplotlib renderer.M deprecation 34 34 jakelishman 2021-07-13 splch https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6728 None
6781 Add option for user supplied measurement error correction in QuantumInstance 33 None 2021-07-21 eendebakpt None None
6769 Seeing issue like previously closed on #6018 33 None TharrmashasthaPV 2021-07-19 jgermain48 None None
6687 Modify a copy of instruction instead of the same instance in circuit.data in QuantumCircuit.qasm() method. 33 33 lcapelluto 2021-07-06 HuangJunye None None
6653 [WIP] Pulse-efficient Transpiler Passes 33 None 2021-06-28 catornow https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6653 ajavadia
6475 Single classical bit conditioning breaks various functions 33 33 jakelishman 2021-05-28 TharrmashasthaPV None None
6435 u gate matrix representation check 33 None jond01 2021-05-18 zlatko-minev None None
6434 u3 gate and global phase definition - small inconsistency between matrix & gate defn. 33 62 zlatko-minev 2021-05-18 zlatko-minev None ajavadia
6791 qasm_simulator no results from a circuit for histogram 32 None jgermain48 2021-07-22 jgermain48 None None
6768 Add Quantum Random Access Code(QRAC) feature map 32 32 woodsp-ibm 2021-07-19 LDongWang None None
6678 Delay (sorry, again) 32 46 zlatko-minev 2021-07-04 yaelbh None nkanazawa1989
6793 Warn against usage of VQE with certain combinations of options 31 31 woodsp-ibm 2021-07-23 eendebakpt None None
6798 IBMQ issue with getting connected to server every time of iteration if untouched for a few min 30 30 SarthakCh 2021-07-24 SarthakCh None None
6684 [RFC] Sorted histogram data 29 34 Rajan117 2021-07-06 eendebakpt None None
6804 Problem in drawing circuit for conditional measurement using multiple classical registers 27 None AbeerVaishnav13 2021-07-26 AbeerVaishnav13 None None
6762 Bug/fix reverse bits with isolated qubits 27 32 apcarrik 2021-07-18 apcarrik https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6762 None
6618 fixed issue 6544 by propagating limit_amplitude to ParametricPulse classes 27 None 2021-06-21 dhruvbhq https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6618 None
6810 inverse of conditional gate is not conditional 26 26 ewinston 2021-07-26 aeddins-ibm None ewinston
6809 Given an IBM Quantum experience job id, how do you get the logical to physical layout? 25 25 nonhermitian 2021-07-26 vtomole None None
6830 Nested flow control for Passmanagers 24 None dhruvbhq 2021-07-29 mtreinish None None
6596 Add a new argument to plot_state_qsphere (update to #5607) 24 None 2021-06-17 pragyakatyayan https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6596 None
6785 [WIP] Added to_gate methods to PrimitiveOp subclasses (#5711) 23 None ocareyde 2021-07-22 ocareyde https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6785 None
6284 Changed lazy parameter to default to False 22 123 haggaila 2021-04-22 haggaila https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6284 None
5350 Extracting permutation of classical registers from Quantum Circuit 22 22 nonhermitian 2020-11-06 yourball None None
6566 Consistently truncate too wide gate parameters in circuit drawers based on string length 20 56 dhruvbhq 2021-06-13 dhruvbhq https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6566 None
6338 Enhancements for plot_bloch_vector() 20 97 1ucian0 2021-04-30 Arihant-Joshi https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6338 None
6873 Implement Shor's algorithm for the DLP 19 None mhinkie 2021-08-05 mhinkie None None
6871 Job metaclass is missing an error_message() function, used in job submitting 19 None 2021-08-05 shahakL None None
6860 Removing then adding a QuantumRegister adds the register but not the qubits 19 20 rmlarose 2021-08-02 rmlarose None None
6718 Implementing the bridge gate. 19 19 ajavadia 2021-07-12 Djakam https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6718 None
6061 Latex drawer now graphs symmetrical gates and their names together 19 19 javabster 2021-03-20 jsistos https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6061 None
6050 Symmetric side text gates do not display properly in the latex drawer 19 None jsistos 2021-03-18 enavarro51 None enavarro51
5784 Inconsistency when drawing singleton registers 19 75 TheGupta2012 2021-02-04 1ucian0 None enavarro51
6637 Fixissue5784 by adding checks for circuit size 18 19 enavarro51 2021-06-24 TheGupta2012 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6637 1ucian0
6259 MPL drawer extended for drawing circuits with single classical bit conditioning 18 None 2021-04-20 TharrmashasthaPV https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6259 None
6244 Single bit conditioning support for registerless circuits 18 None 2021-04-16 TharrmashasthaPV https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6244 None
6887 Small improvement QFT code 14 14 Cryoris 2021-08-10 ElePT https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6887 None
2015 Consider switching to quantikz for latex_source drawing 14 14 1ucian0 2019-03-25 tigerjack None None
6450 Latex drawer tested using notebook in binder 13 20 TharrmashasthaPV 2021-05-21 TharrmashasthaPV https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6450 None
6248 Latex drawer extended for drawing circuits with single classical bit conditioning 13 None 2021-04-16 TharrmashasthaPV https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6248 None
6906 Transpiling cp into ['u', 'cx'] works; transpiling cx into ['u', 'cp'] doesn't 10 10 levbishop 2021-08-13 probvar None None
6880 HHL Algorithm gives incorrect answer 10 10 Cryoris 2021-08-06 cdtho None None
6749 Get saved statevectors 9 None wagnersj 2021-07-14 wagnersj https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6749 None
6724 Add transpiler directory for pulse transforms 7 None vkumar19 2021-07-12 vkumar19 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6724 None
6717 Clarify marginal_counts documentation and fix default behavior (#6230) 7 7 taalexander 2021-07-12 mattwright99 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6717 None
6799 Fix issue 6667 by updating transpiler 6 17 Kovi11Day 2021-07-24 Kovi11Day https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6799 None
6928 Calibrating X90 Pulses with Pulses on Control Channel 4 None 2021-08-19 npkhedkar None taalexander
6924 Fixes 6709 by skipping save_state instructions in basis translation 4 None 2021-08-17 TheGupta2012 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6924 None
6901 Unit incorrect for rep_delay_range parameter in qiskit.providers.models.BackendConfiguration documentation 4 4 taalexander 2021-08-12 wmurphy-collabstar None None
6894 Show one-bit registers without subscripts in circuit drawers 4 None 2021-08-10 enavarro51 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6894 1ucian0
6877 Fix latex drawer symmetrical gates display 4 None enavarro51 2021-08-05 enavarro51 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6877 None
6872 Infinite job submissions when submitted jobs' status is error/cancelled/unknown status 4 None TheGupta2012 2021-08-05 shahakL None None
6822 Fix measure with condition display in mpl and latex drawers 4 10 enavarro51 2021-07-27 enavarro51 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6822 None
6702 function to calculate 2-qubit gate depth 4 4 y4izus 2021-07-08 ajavadia None y4izus
6920 Define __str__ for Instruction objects 3 None Lolcroc 2021-08-16 Lolcroc None TheGupta2012
6821 Quantum instance job submission has infinite loop 3 None TheGupta2012 2021-07-27 nonhermitian None None
6784 EchoRZXWeylDecomposition Transpiler Pass 3 20 levbishop 2021-07-21 catornow https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6784 levbishop
6294 Added calibrations annotation to matplotlib 3 3 javabster 2021-04-23 wmurphy-collabstar https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6294 None
6839 [WIP] add termination callback to SPSA 1 19 peendebak 2021-07-30 peendebak https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6839 None
6937 Pad results with zeros for unmeasured states 0 0 ajrazander 2021-08-23 ajrazander None None
6932 Add the __repr__ method for Instructions 0 0 TheGupta2012 2021-08-20 TheGupta2012 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6932 None
6909 Fixes issue #6872, #6821 by adding finite control loops with flags 0 None TheGupta2012 2021-08-14 TheGupta2012 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6909 None
6870 Support Dict[str, OperatorBase] for aux_operators (fix #6772) 0 18 CisterMoke 2021-08-04 CisterMoke https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6870 None
6855 Generalize CXCancellation optimization pass to generic gate-inverse pairs 0 19 lcapelluto 2021-08-02 vadebayo49 https://api.github.com/repos/Qiskit/qiskit-terra/pulls/6855 lcapelluto
6732 Drawing error in circuits with isolated qubits 0 3 enavarro51 2021-07-13 TharrmashasthaPV None enavarro51
6719 transpiler changes the state generated by circ.uc with up_to_diagonal=True. 0 None TheGupta2012 2021-07-12 adjs None None
6709 Remove save_state instructions when transpiling to backend that does not support them 0 0 TheGupta2012 2021-07-08 wagnersj None None
6616 plot_circuit_layout output unexpected with registerless circuits 0 42 Quant02 2021-06-21 1ucian0 None None
6531 Get gate from name. 0 68 eptru 2021-06-08 idnm None eptru
6372 qiskit.execute(...) can not bind parameters 0 0 kdk 2021-05-07 liebreiz None None

Qiskit/qiskit-tutorials

Community member related issues
Issue # Title of the issue Days since last update Days since last comment by member Last comment by Created at Author PR Assignee
988 Added Teleportation 381 381 anto-pv 2020-08-07 anto-pv https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/988 None
1027 Advanced Circuits tutorial lacks explanations. 364 None 3yakuya 2020-08-25 3yakuya None None
1035 Solver Error for QSVM legacy tutorial 342 343 zzt0009 2020-09-10 fishgoesbloop None None
1038 QSVM on multiclass Classification 338 None 2020-09-19 KillerStrike17 None None
1052 Little endian and big endian concepts mixed in Tutorial on Circuits - Summary of Quantum Operations 312 None 2020-10-15 ertogrul None None
1012 Requesting feature for "Dark Mode" , pop up: "Do you Know" , BookMark and Others 308 308 nonhermitian 2020-08-12 Aniruddha120 None None
992 Some ipynb files should improve markdown for rst conversion 304 None souji555 2020-08-08 souji555 None None
1077 Intro tutorial on Aqua operators 279 279 e-eight 2020-11-06 hay-k https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1077 None
1104 LinAlgError: Schur form not found. Possibly ill-conditioned. in one for the tutorial 229 None divshacker 2020-12-17 KillerStrike17 None None
1122 Broken Link in "11_time_series" in Finance section of Tutorials 199 None divshacker 2021-01-29 divshacker None None
1132 Chemistry - 01_Electronic_Structure - include Jordan-Wigner derivation 179 179 pbark 2021-02-24 kaelynj None None
1140 Miss Alignment in qiskit.aqua.components.initial_states.Custom.html 173 None 2021-03-03 divshacker None None
1032 Quantum Half and Full Adders 165 None CLAassistant 2020-09-01 ajay-cogsci https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1032 None
993 Qiskit tutorials being inside the documentation reduce it's outreach 150 380 divshacker 2020-08-08 rochisha0 None None
1078 6_examples_max_cut_and_tsp Typesetting Bug 148 None divshacker 2020-11-02 leonox None None
1051 replacing big endian with little endian concept for bit ordering in q… 148 307 divshacker 2020-10-15 ertogrul https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1051 None
1049 Arbitrary State Preparation 148 None divshacker 2020-10-12 Abduhu None None
1156 Coming soon tutorials 141 None 2021-04-05 omarcostahamido None None
1018 fixed description to match code 139 None 3yakuya 2020-08-13 edwinagnew https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1018 None
1164 correction in theory section of vehicle routing tutorial 137 137 woodsp-ibm 2021-04-08 arunvellat None None
1165 Updating description of a layer of operations. 135 None review-notebook-app[bot] 2021-04-10 3yakuya https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1165 None
1172 save_unitary state error? It's not saving the unitary and providing an output. 112 None WiFisunset 2021-04-23 WiFisunset None None
1145 Frequency anomaly after "Add more shots to the data" example in RB 108 None rafal-pracht 2021-03-17 pdc-quantum None None
1182 Qiskit for multiple architectures tutorial missing 103 None divshacker 2021-05-12 tanujkhattar None None
1166 Deleting the bit about changelog 103 None 2021-04-10 3yakuya https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1166 None
1147 changed the method for non-local quantum error 96 None CLAassistant 2021-03-19 vabite https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1147 None
1187 Add Qiskit Chemistry Tutorial File 88 88 woodsp-ibm 2021-05-27 Abrar2652 https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1187 None
1002 Pulse Simulator missing in the High Perfomance simulators tutorial on qiskit tutorials 76 None divshacker 2020-08-11 charmerDark None None
1000 The tutorials must be able to have syntaxes that can be converted to rst. 76 None divshacker 2020-08-11 SooluThomas None None
1148 Incorrect equation for the Hamiltonian in Max Cut 71 None Claeb101 2020-09-19 camitava0321 None None
1196 Closes #1189 Replacing 'state matrix' by 'density matrix' 67 None review-notebook-app[bot] 2021-06-09 shil-m https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1196 None
1203 reduce system sizes to prevent timeout issues 66 None review-notebook-app[bot] 2021-06-18 quantumjim https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1203 None
1129 Missing icons in tutorials pages 63 None shil-m 2021-02-15 beckykd None None
1188 New tutorials for Initialize and QFT 52 None gabrieleagl 2021-05-28 gabrieleagl https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1188 None
1213 fixed typo in 3_summary_of_quantum_operations.ipynb 48 None review-notebook-app[bot] 2021-07-03 niuxueyan https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1213 None
1210 fixed typo in 3_summary_of_quantum_operations.ipynb 48 None review-notebook-app[bot] 2021-07-02 niuxueyan https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1210 None
948 Where to put amplitude_estimation and generating_random_variates tutorials 46 None wagnersj 2020-07-13 nonhermitian None None
1230 Update the name of the FakeVigo backend in simulators/2_device_noise_simulation.ipynb 45 None 2021-07-10 clausia None None
1176 Save states need 'from qiskit.providers.aer import Aer' called first in order to function. 44 112 WiFisunset 2021-05-03 WiFisunset https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1176 None
1231 Fixed a code typo in 02_operators_overview.ipynb 43 None review-notebook-app[bot] 2021-07-12 elberttl https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1231 None
1232 Fixed mismatches 09_IQPE.ipynb, 01_IQPE.ipynb 42 None review-notebook-app[bot] 2021-07-12 elenasuraeva https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1232 None
1236 Update 02_gradients_framework.ipynb 41 None CLAassistant 2021-07-13 AbdulahAmer https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1236 None
1205 Single and multi-qubit SWAP test tutorial 41 45 darshkaushik 2021-06-26 darshkaushik https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1205 None
1197 Fixed-Point Grover Search 41 41 woodsp-ibm 2021-06-11 atithi8 https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1197 None
1119 Page "qiskit.providers.aer.noise.phase_damping_error" text copied from "qiskit.providers.aer.noise.phase_amplitude_damping_error" 41 None clausia 2021-01-27 gypsyzz None None
1239 Typo and duplications in 04_transpiler_passes_and_passmanager.ipynb 40 None review-notebook-app[bot] 2021-07-14 tbcdebug https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1239 None
1228 SWAP test tutorial 40 None 2021-07-08 darshkaushik None None
1237 Clearing up a repetition code (noise) tutorial example 39 None clausia 2021-07-13 clausia https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1237 None
1235 Update noise model for RB Sequence with T1,T2 (RB tutorial) 39 None review-notebook-app[bot] 2021-07-13 clausia https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1235 None
1216 Add documentation on using Parameters with Schedules 34 None MartinBeseda 2021-07-06 lcapelluto None None
1039 Deprecation warning in the linear_systems_of_equations.ipynb 34 None coleparadis 2020-09-19 coleparadis None None
1242 Qiskit import error 29 None 2021-07-25 hongxiahao91 None None
1244 [WIP] Add phase estimation tutorial 18 None review-notebook-app[bot] 2021-08-05 jlapeyre https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1244 None
1201 Two images due to %matplotlib inline in a few tutorials 14 None clasicus 2021-06-13 singhmeet11 None None
1180 Duplicated circuit visualizations on Quantum Lab 13 None divshacker 2021-05-11 filippotramonto None None
1229 Function to write the state as bra and ket 11 None aburousan 2021-07-08 aburousan None None
1233 tutorial on how to find paths in graphs using Grover's Algorithm 7 None review-notebook-app[bot] 2021-07-12 AntonSimen06 https://api.github.com/repos/Qiskit/qiskit-tutorials/pulls/1233 None
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