Search Results for author: Makiko Konoshima

Found 4 papers, 0 papers with code

Generating gradients in the energy landscape using rectified linear type cost functions for efficiently solving 0/1 matrix factorization in Simulated Annealing

no code implementations27 Dec 2023 Makiko Konoshima, Hirotaka Tamura, Yoshiyuki Kabashima

The 0/1 matrix factorization defines matrix products using logical AND and OR as product-sum operators, revealing the factors influencing various decision processes.

Characterization of Locality in Spin States and Forced Moves for Optimizations

no code implementations5 Dec 2023 Yoshiki Sato, Makiko Konoshima, Hirotaka Tamura, Jun Ohkubo

Ising formulations are widely utilized to solve combinatorial optimization problems, and a variety of quantum or semiconductor-based hardware has recently been made available.

Combinatorial Optimization

Derivation of QUBO formulations for sparse estimation

no code implementations11 Jan 2020 Tomohiro Yokota, Makiko Konoshima, Hirotaka Tamura, Jun Ohkubo

We propose a quadratic unconstrained binary optimization (QUBO) formulation of the l1-norm, which enables us to perform sparse estimation of Ising-type annealing methods such as quantum annealing.

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