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What is the explicit best known quantum algorithm for LWE?

quantum-gate algorithm complexity-theory quantum-advantage

modified 22 mins ago narip 2,192

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Can the ancilla for Qiskit's mcx with mode="recursion" be dirty?

qiskit programming quantum-gate circuit-construction ibm

modified 2 days ago CommunityBot 1

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What are the possible gates that I can use to vary input states before CNOT?

quantum-gate qiskit entanglement noise

modified 2 days ago CommunityBot 1

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Is there a function in qiskit that allows me to insert quantum gates at certain indices of a circuit?

qiskit programming quantum-gate

modified Jan 17 at 14:16 Egretta.Thula 2,145

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Multiplication using nearest neighbour quantum gates

quantum-gate quantum-state circuit-construction

answered Jan 14 at 20:38 Craig Gidney 18k

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Quantum Image Processing Application

qiskit quantum-gate matlab

modified Jan 13 at 13:12 user1271772 11.6k

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Does the Eastin-Knill theorem hold for repetition codes?

quantum-gate error-correction universal-gates

modified Jan 11 at 22:05 Adam Zalcman 11.6k

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Qiskit Encoding of a Hamiltonian

qiskit quantum-gate quantum-operation

answered Jan 10 at 16:46 noli 126

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How to implement nested Grover search (in Quirk)?

quantum-gate grovers-algorithm quirk

modified Jan 9 at 0:04 CommunityBot 1

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Native Gate Decomposition

quantum-gate circuit-construction gate-synthesis

modified Jan 7 at 14:17 Ken Robbins 105

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How can I implement an n-bit Toffoli gate?

quantum-gate programming qiskit

modified Jan 6 at 11:04 maor 221

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Confusion with the number of CNOTs in a circuit

quantum-gate circuit-construction quantum-circuit gate-synthesis

answered Jan 3 at 9:31 Craig Gidney 18k

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Are quantum gates superoperators? How to write a quantum circuit as superoperator?

quantum-gate quantum-operation density-matrix

answered Jan 2 at 15:44 glS♦ 16.7k

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How many quantum gates are needed to prepare an arbitrary state?

quantum-gate quantum-circuit gate-synthesis state-preparation

answered Dec 29 '21 at 15:39 Norbert Schuch 4,645

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