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quant-ph2025
Systematic improvement of the quantum approximate optimisation ansatz for combinatorial optimisation using quantum subspace expansion
Yann Beaujeault-Taudière
The quantum approximate optimisation ansatz (QAOA) is one of the flagship algorithms used to tackle combinatorial optimisation on graphs problems using a quantum computer, and is c…
quant-ph2023
Solving the Lipkin model using quantum computers with two qubits only with a hybrid quantum-classical technique based on the Generator Coordinate Method
Yann Beaujeault-Taudiere, Denis Lacroix
The possibility of using the generator coordinate method (GCM) using hybrid quantum-classical algorithms with reduced quantum resources is discussed. The task of preparing the basi…