196 citations · 321 across the 7 of their papers we have counts for
7 papers
Ising formulation of integer optimization problems for utilizing quantum annealing in iterative improvement strategy
Shuntaro Okada, Masayuki Ohzeki
Quantum annealing is a heuristic algorithm for searching the ground state of an Ising model. Heuristic algorithms aim to obtain near-optimal solutions with a reasonable computation…
Efficient partition of integer optimization problems with one-hot encoding
Shuntaro Okada, Masayuki Ohzeki, Shinichiro Taguchi
Quantum annealing is a heuristic algorithm for solving combinatorial optimization problems, and D-Wave Systems Inc. has developed hardware for implementing this algorithm. The curr…
Efficient quantum and simulated annealing of Potts models using a half-hot constraint
Shuntaro Okada, Masayuki Ohzeki, Kazuyuki Tanaka
The Potts model is a generalization of the Ising model with components. In the fully connected ferromagnetic Potts model, a first-order phase transition is induced by varying…
Improving solutions by embedding larger subproblems in a D-Wave quantum annealer
Shuntaro Okada, Masayuki Ohzeki, Masayoshi Terabe +1
Quantum annealing is a heuristic algorithm that solves combinatorial optimization problems, and D-Wave Systems Inc. has developed hardware implementation of this algorithm. However…
Optimization of neural networks via finite-value quantum fluctuations
Masayuki Ohzeki, Shuntaro Okada, Masayoshi Terabe +1
We numerically test an optimization method for deep neural networks (DNNs) using quantum fluctuations inspired by quantum annealing. For efficient optimization, our method utilizes…
Statistical-mechanical analysis of compressed sensing for Hamiltonian estimation of Ising spin glass
Chako Takahashi, Masayuki Ohzeki, Shuntaro Okada +3
Several powerful machines, such as the D-Wave 2000Q, dedicated to solving combinatorial optimization problems through the Ising-model formulation have been developed. To input prob…
Difference between quantum annealing by imaginary-time and real-time Schrödinger equation of Grover's search
Shuntaro Okada, Masayuki Ohzeki, Kazuyuki Tanaka
We confirmed the annealing time of Grover's search which is required to obtain desired success probability for quantum annealing by the imaginary-time and the real-time Schrödinger…