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modified 6 hours ago KAJ226 2,773

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30

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answered 20 hours ago jyu00 371

3

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asked yesterday Vaisakh M 21

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104

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modified yesterday LPenguin 113

3

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106

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answered yesterday keisuke.akira 1,333

4

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63

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modified yesterday Jonathan Trousdale 2,528

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modified 2 days ago Martin Vesely 6,630

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modified yesterday glS 11.4k

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60

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modified yesterday glS 11.4k

2

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42

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In Uhlmann's theorem, should the polar decomposition be written as $A=|A|V$ or $A=V|A|$?

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4

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41

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answered yesterday tsgeorgios 936

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34

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IBMQ backends: How can I know the repetition rate and depth limits of real devices?

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1

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50

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50

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modified yesterday glS 11.4k

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35

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2

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2

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26

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18

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How to write the classical algorithm for lights out problem?

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modified Nov 28 at 21:39 user9318 306

1

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1

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60

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CSS Code and Fault-tolerant Problem in Nielsen and Isaac Chuang‘s book

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modified Nov 28 at 13:30 QC-learner 49

4

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2

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108

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Is the trace distance between multipartite states invariant under permutations?

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modified Nov 26 at 17:58 glS 11.4k

2

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33

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In QAOA why do we need $m \log(m)$ repititions to get at least $F_{p}(\beta , \gamma) - 1$ with probability of $1 - 1/m$?

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modified Nov 29 at 0:55 tap86 25

2

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2

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53

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Is there a quantum processor with physically implemented Toffoli gate?

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modified Nov 27 at 20:04 luciano 795

1

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1

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60

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Pauli Matrix tolerant and encoding

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14

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modified yesterday glS 11.4k

5

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129

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Closeness of purifications of states

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2

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53

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Does it make sense to sum two Choi operators?

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answered Nov 26 at 18:12 user2723984 817

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2

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293

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How do I create an inverse identity gate?

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answered Nov 24 at 11:10 Martin Vesely 6,630

3

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2

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74

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What is the “sum-over-paths” picture of quantum computing?

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modified Nov 26 at 14:04 ahelwer 3,253

4

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35

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Is there a good reason to use T-count minimization for circuits executed on current IBM open quantum systems (real hardware)?

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modified Nov 27 at 23:04 luciano 795

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1

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16

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Why do I get the error name operator is not defined?

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answered Nov 28 at 1:18 KAJ226 2,773

4

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1

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37

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In QAOA, why do we pick the initial Hamiltonian $B$ to be $\sigma_x$ applied to each qubit?

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modified Nov 26 at 11:36 glS 11.4k

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2

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74

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What is $\sum_{i}\langle i \vert U \vert j\rangle$ for unitary $U$?

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modified Nov 26 at 11:27 glS 11.4k

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modified Nov 27 at 14:10 user9318 306

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19

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To find the best angles in QAOA why we do not optimize over a maximum ofall shots instead of a mean?

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answered Nov 27 at 8:00 Martin Vesely 6,630

2

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1

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60

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Question about quantum error correction and density matrixs

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modified Nov 26 at 2:52 Hasan Iqbal 1,103

0

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1

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69

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modified Nov 27 at 19:09 glS 11.4k

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51

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modified Nov 26 at 12:32 glS 11.4k

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1

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36

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Error while trying to execute the Quantum Circuits in IBMQ

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modified Nov 27 at 15:55 met927 2,588

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1

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50

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modified Nov 27 at 19:10 glS 11.4k

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