Loic Stoic's user avatar
Loic Stoic's user avatar
Loic Stoic's user avatar
Loic Stoic
  • Member for 1 year, 8 months
  • Last seen more than a month ago
11 votes
2 answers
761 views

What is the complexity of determining if a state is entangled?

8 votes
0 answers
194 views

Optimal estimation of quantum state overlap - Circuit implementation?

4 votes
0 answers
120 views

Quantum Algorithm to Determine if two vectors are orthogonal

3 votes
1 answer
188 views

How do we compute quantum walks for a graph?

3 votes
1 answer
65 views

Avoiding garbage amplitudes in block-encoding

3 votes
0 answers
36 views

Non-promise problems that are BQP complete, and showing them to be or not to be in NP

2 votes
0 answers
58 views

Why do Hamiltonian simulation algorithms not depend on the size of the Hamiltonian for the gate complexity?

2 votes
0 answers
72 views

Quantum Signal Operator and the unitary state preparation oracle? [closed]

2 votes
1 answer
188 views

Confusion about quantum walks and the quantum walk operator

2 votes
2 answers
502 views

Matrix representation of SWAP on two qubit registers?

2 votes
2 answers
368 views

Why is an X gate a quantum coin flip?

2 votes
0 answers
105 views

Measure or Amplify the least probable state

2 votes
1 answer
110 views

How to calculate a matrix difference in a quantum circuit in the form $A - BAB$

1 vote
0 answers
53 views

Proof of $cos(Ht) = \sum_\sigma cos(\sigma) \left | w_\sigma \right > \left < v_\sigma \right |$ in Quantum Singular Value Transform

1 vote
1 answer
83 views

An intuitive definition of "One-way LOCC distance"

1 vote
1 answer
116 views

Multi-qubit gates on entangled states

1 vote
0 answers
33 views

What are the estimate-estimate and estimate-project algorithms for quantum overlap?

1 vote
0 answers
27 views

Pure Product State Problem Clarification about $\alpha$-closeness and $\beta$-farness

1 vote
0 answers
29 views

How does trace norm of a state change after measurement? Why is the 1-LOCC norm less?

1 vote
1 answer
87 views

Is Hamiltonian simulation with only real entries BQP-complete?

1 vote
0 answers
55 views

Why does the quantum walk operator only have two eigenvectors?

1 vote
1 answer
64 views

Sequence of controlled gates on non-eigenstates

0 votes
1 answer
71 views

Entangling two particles at a distance

0 votes
1 answer
56 views

How are mixed states given to a quantum algorithm?

0 votes
1 answer
157 views

How to choose values of phi for Hamiltonian simulation with Quantum Singular Value Transform?

0 votes
1 answer
149 views

How is the P function applied in QSVT for the case of Hamiltonian simulation if it only modifies singular values?

0 votes
1 answer
65 views

What does the notation $\sum_\lambda \lambda \left | \lambda \right > \left < \lambda \right |$ mean?

0 votes
0 answers
69 views

Method to use nonlinear operators within quantum circuits

0 votes
1 answer
46 views

Quantum algorithm to add zeroes between two halves of a vector