User Ian Gershon Teixeira - Quantum Computing Stack Exchange

13 votes

2 answers

627 views

What are the possible non-entangling two-qubit gates?

asked Sep 18, 2022 at 0:32

12 votes

3 answers

958 views

Why can't there be an error detecting code with fewer than 4 qubits?

asked Jul 28, 2022 at 15:02

9 votes

1 answer

1k views

Prove that adding any non Clifford gate to the Clifford group yields a universal gate set

asked Mar 6, 2022 at 3:02

8 votes

2 answers

759 views

Additive Codes: What are they? And how are they related to stabilizer codes?

asked Aug 5, 2022 at 13:56

7 votes

1 answer

217 views

Circuit from finite group of gates and classical simulations

asked Mar 6, 2022 at 14:02

7 votes

1 answer

558 views

Is the Clifford group a semidirect product?

asked Mar 20, 2022 at 15:58

7 votes

1 answer

258 views

Is this single qubit gate in the Clifford hierarchy?

asked Nov 2, 2022 at 21:19

7 votes

1 answer

230 views

Do non-stabilizer codes have integer weight enumerator?

asked Feb 14, 2023 at 16:22

7 votes

0 answers

181 views

Is every $ ((11,2,5)) $ code equivalent to the $ [[11,1,5]] $ stabilizer code?

asked Apr 25, 2023 at 21:01

7 votes

1 answer

219 views

Which Clifford groups are 2-designs?

asked Dec 23, 2023 at 16:38

7 votes

1 answer

184 views

Why is the orbit of a unitary t design a complex projective t design?

asked Jan 3 at 23:47

7 votes

2 answers

1k views

Is there a no-go theorem for or an upper bound on code threshold?

asked Feb 20 at 19:16

7 votes

1 answer

159 views

What is the stabilizer rank of the W state?

asked Jun 4 at 12:09

6 votes

0 answers

140 views

Universal gate set for the $ [[15,1,3]] $ code

asked Jun 16 at 14:11

6 votes

2 answers

129 views

Codes saturating the bound d=(n+1)/2

asked Feb 20 at 17:41

6 votes

1 answer

152 views

Is the Steane code the only $ [\![7,1,3]\!] $ CSS code?

asked Mar 2 at 2:43

6 votes

1 answer

166 views

Qutrit Steane Code

asked Nov 8, 2023 at 19:24

6 votes

1 answer

209 views

Is the Clifford hierarchy finite?

asked Nov 29, 2022 at 20:18

6 votes

1 answer

321 views

What are well-known orthogonal 2-designs, other than the real Clifford group?

asked Oct 9, 2022 at 15:51

6 votes

2 answers

734 views

Example non-stabilizer code?

asked Aug 3, 2022 at 13:32

6 votes

2 answers

1k views

What are the transversal gates of Shor's $[\![9,1,3]\!]$ code?

asked Jun 30, 2022 at 19:22

5 votes

1 answer

182 views

The adjoint representation and irreducibility of the Clifford group

asked Mar 20, 2022 at 17:09

5 votes

1 answer

469 views

In the Clifford group, is the center of $ \overline{\text{Cl}_n} \equiv\text{Cl}_n/U(1)$ trivial?

asked Feb 8, 2022 at 19:21

5 votes

1 answer

418 views

Eastin Knill Theorem and groups of transversal gates

asked Mar 2, 2022 at 2:21

5 votes

2 answers

419 views

Exotic transversal gate group for stabilizer code

asked Oct 27, 2022 at 2:08

5 votes

0 answers

106 views

Famous qutrit codes with no qubit analogue

asked May 1, 2023 at 12:59

5 votes

2 answers

230 views

Does a $ [[5,1,2]] $ CSS code exist?

asked Mar 24, 2023 at 11:05

5 votes

0 answers

154 views

Does a $ [[23,1,9]] $ code exist?

asked Mar 27, 2023 at 14:51

5 votes

1 answer

308 views

Do Clifford gates preserve distance?

asked Apr 6, 2023 at 16:30

5 votes

1 answer

219 views

Code whose only transversal gate is phase gate $ P $

asked Nov 18, 2022 at 19:53

Stack Exchange Network

108 Questions

What are the possible non-entangling two-qubit gates?

Why can't there be an error detecting code with fewer than 4 qubits?

Prove that adding any non Clifford gate to the Clifford group yields a universal gate set

Additive Codes: What are they? And how are they related to stabilizer codes?

Circuit from finite group of gates and classical simulations

Is the Clifford group a semidirect product?

Is this single qubit gate in the Clifford hierarchy?

Do non-stabilizer codes have integer weight enumerator?

Is every $ ((11,2,5)) $ code equivalent to the $ [[11,1,5]] $ stabilizer code?

Which Clifford groups are 2-designs?

Why is the orbit of a unitary t design a complex projective t design?

Is there a no-go theorem for or an upper bound on code threshold?

What is the stabilizer rank of the W state?

Universal gate set for the $ [[15,1,3]] $ code

Codes saturating the bound d=(n+1)/2

Is the Steane code the only $ [\![7,1,3]\!] $ CSS code?

Qutrit Steane Code

Is the Clifford hierarchy finite?

What are well-known orthogonal 2-designs, other than the real Clifford group?

Example non-stabilizer code?

What are the transversal gates of Shor's $[\![9,1,3]\!]$ code?

The adjoint representation and irreducibility of the Clifford group

In the Clifford group, is the center of $ \overline{\text{Cl}_n} \equiv\text{Cl}_n/U(1)$ trivial?

Eastin Knill Theorem and groups of transversal gates

Exotic transversal gate group for stabilizer code

Famous qutrit codes with no qubit analogue

Does a $ [[5,1,2]] $ CSS code exist?

Does a $ [[23,1,9]] $ code exist?

Do Clifford gates preserve distance?

Code whose only transversal gate is phase gate $ P $