Quantum Computing
Greg Kuperberg's user avatar
Greg Kuperberg's user avatar
Greg Kuperberg's user avatar
Greg Kuperberg
  • Member for 4 years, 1 month
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17 Answers

Score Activity Newest
15 votes
Accepted

How can infinite information be theoretically encoded or stored in a single qubit?

10 votes
Accepted

Does the trace distance have a geometric interpretation?

10 votes
Accepted

Explicit Conversion Between Universal Gate Sets

8 votes

Prove that $\|p^{\otimes n} - q^{\otimes n}\| \leq n \|p-q\|$ for density operators $p,q$

7 votes

Burnside Decomposition in Kuperberg's Hidden Shift

7 votes
Accepted

What precisely is the quantum extended Church-Turing thesis?

7 votes
Accepted

Making sense of the Sycamore's computing prowess - power consumption

6 votes

Arbitrary powers of NOT and SWAP

6 votes
Accepted

Is quantum parallel search impossible?

5 votes

How to distinguish two states with same density matrix using a quantum state tomography?

4 votes
Accepted

How does successfully sampling from a random quantum circuit invalidate the Extended Church-Turing Thesis?

3 votes
Accepted

How exactly is solving the random circuit sampling problem a computation in the Church-Turing thesis sense?

3 votes

Nielsen & Chuang Exercise Question on CSS code

3 votes
Accepted

Why is the probability vector of a uniformly random state $\sum_i\alpha_i|i\rangle$ uniformly random only if $\alpha_i\in\mathbb C$?

3 votes

Secret sharing though quantum operations

2 votes
Accepted

Are 20 repetitions of Sycamore's one- and 2-qubit gates sufficient to produce a uniformly random state?

1 vote

Seeking Programming Projects and Tools for Quantum Gate Decomposition Implementations

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