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Top Questions
31
votes
How does a quantum computer do basic math at the hardware level?
architecture
physical-realization
superconducting-quantum-computing
asked Mar 24 '18 at 5:37
quantumcomputing.stackexchange.com
29
votes
Introductory material for quantum machine learning
algorithm
resource-request
machine-learning
quantum-enhanced-machine-learning
asked May 26 '18 at 23:24
quantumcomputing.stackexchange.com
25
votes
Why are images of text, code and mathematical expressions discouraged?
discussion
images
accessibility
asked Dec 13 '18 at 16:41
meta.stackexchange.com
20
votes
What exactly are anyons and how are they relevant to topological quantum computing?
topological-quantum-computing
anyons
asked May 11 '18 at 15:17
quantumcomputing.stackexchange.com
20
votes
Why do optical quantum computers not have to be kept near absolute zero while superconducting quantum computers do?
quantum-computer
optical-quantum-computing
architecture
superconducting-quantum-computing
asked Mar 14 '18 at 21:54
quantumcomputing.stackexchange.com
18
votes
How are quantum gates implemented in reality?
quantum-gate
physical-realization
asked Mar 23 '18 at 11:12
quantumcomputing.stackexchange.com
17
votes
What is the use of categorical quantum mechanics?
foundations
category-theory
asked May 3 '18 at 9:10
quantumcomputing.stackexchange.com
16
votes
If quantum gates are reversible how can they possibly perform irreversible classical AND and OR operations?
quantum-gate
unitarity
asked Mar 15 '18 at 10:58
quantumcomputing.stackexchange.com
15
votes
What exactly is meant by “noise” in the following context?
noise
asked Mar 13 '18 at 10:05
quantumcomputing.stackexchange.com
15
votes
Why does the “Phase Kickback” mechanism work in the Quantum phase estimation algorithm?
quantum-state
quantum-fourier-transform
phase-estimation
phase-kickback
asked Jul 1 '18 at 19:47
quantumcomputing.stackexchange.com
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Top Answers
92
Is quantum computing just pie in the sky?
quantumcomputing.stackexchange.com
75
An open letter on the state of curation and moderation
meta.stackexchange.com
51
Post for clarifications on the updated pronouns FAQ
meta.stackexchange.com
30
Could all of the “confusion” around pronouns have been avoided if instead it was deliberate misgendering that was targeted?
meta.stackexchange.com
25
How to determine if a question has ever been a “hot network question”?
meta.stackexchange.com
23
How does bra-ket notation work?
quantumcomputing.stackexchange.com
22
Why is it important to eliminate the garbage qubits?
quantumcomputing.stackexchange.com
21
Currently, what are the best structured courses available online on quantum computing?
quantumcomputing.stackexchange.com
19
How are quantum gates implemented in reality?
quantumcomputing.stackexchange.com
18
Where will you draw the line?
meta.stackexchange.com
17
If quantum gates are reversible how can they possibly perform irreversible classical AND and OR operations?
quantumcomputing.stackexchange.com
17
Hide previously suspended nominations unless approved by Community Managers
meta.stackexchange.com
17
Quantum circuits explain algorithms, why didn't classical circuits?
quantumcomputing.stackexchange.com
15
How to input 2 qubits in 2 Hadamard gates?
quantumcomputing.stackexchange.com
14
What is the physical representation of a qubit?
quantumcomputing.stackexchange.com
13
Is there any general statement about what kinds of problems can be solved more efficiently using a quantum computer?
quantumcomputing.stackexchange.com
13
What is this clock icon near the voting buttons?
meta.stackexchange.com
12
Why can the Discrete Fourier Transform be implemented efficiently as a quantum circuit?
quantumcomputing.stackexchange.com
11
Why was this question manually removed from Hot Network Questions despite already being closed?
meta.stackexchange.com
11
Does a study guide exist that starts from a “purely CS background” and advances towards “making a new quantum programming language”?
quantumcomputing.stackexchange.com
11
“Move Comments to Chat” Mod button is broken
meta.stackexchange.com
11
The algorithm of the new quantum factoring record 1,099,551,473,989
quantumcomputing.stackexchange.com
10
A suggested edit cuts out allegedly malicious links. How do I safely check that claim and what review action do I take?
meta.stackexchange.com
9
An SE site for identifying an old postcard
meta.stackexchange.com
9
Representation of real numbers in quantum computers
quantumcomputing.stackexchange.com
9
Is dropping the final period in a bare url done by-design?
meta.stackexchange.com
9
Density matrices for pure states and mixed states
quantumcomputing.stackexchange.com
9
Implementing “Classical AND Gate” and “Classical OR Gate” with a quantum circuit
quantumcomputing.stackexchange.com
8
What is the purpose of the TDG gate in QISKit?
quantumcomputing.stackexchange.com
8
Measuring in standard basis meaning
quantumcomputing.stackexchange.com
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