Zobrazeno 1 - 10
of 154
pro vyhledávání: '"Tamura, Hirotaka"'
Publikováno v:
J. Phys. Soc. Jpn., Vol.93, No.4, Article ID: 044002 (2024)
The 0/1 matrix factorization defines matrix products using logical AND and OR as product-sum operators, revealing the factors influencing various decision processes. Instances and their characteristics are arranged in rows and columns. Formulating ma
Externí odkaz:
http://arxiv.org/abs/2312.17272
Publikováno v:
J. Phys. Soc. Jpn. 93, 044802 (2024)
Ising formulations are widely utilized to solve combinatorial optimization problems, and a variety of quantum or semiconductor-based hardware has recently been made available. In combinatorial optimization problems, the existence of local minima in e
Externí odkaz:
http://arxiv.org/abs/2312.02544
Publikováno v:
J. Phys. Soc. Jpn. 92, 044802 (2023)
Annealing machines specialized for combinatorial optimization problems have been developed, and some companies offer services to use those machines. Such specialized machines can only handle binary variables, and their input format is the quadratic u
Externí odkaz:
http://arxiv.org/abs/2301.07244
The Metropolis algorithm involves producing a Markov chain to converge to a specified target density $\pi$. In order to improve its efficiency, we can use the Rejection-Free version of the Metropolis algorithm, which avoids the inefficiency of reject
Externí odkaz:
http://arxiv.org/abs/2210.10513
Simulated Annealing using Metropolis steps at decreasing temperatures is widely used to solve complex combinatorial optimization problems. In order to improve its efficiency, we can use the Rejection-Free version of the Metropolis algorithm, which av
Externí odkaz:
http://arxiv.org/abs/2205.02083
Publikováno v:
J. Phys. Soc. Jpn. 89, 034801 (2020)
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. The QUBO formulation is derived using the Legendre tr
Externí odkaz:
http://arxiv.org/abs/2001.03715
Publikováno v:
Phys. Rev. E 99, 042106 (2019)
We propose a quadratic unconstrained binary optimization (QUBO) formulation of rectified linear unit (ReLU) type functions. Different from the q-loss function proposed by Denchev et al. (2012), a simple discussion based on the Legendre duality is not
Externí odkaz:
http://arxiv.org/abs/1811.03829
Autor:
Aramon, Maliheh, Rosenberg, Gili, Valiante, Elisabetta, Miyazawa, Toshiyuki, Tamura, Hirotaka, Katzgraber, Helmut G.
Publikováno v:
Front. Phys. 7, 48 (2019)
The Fujitsu Digital Annealer (DA) is designed to solve fully connected quadratic unconstrained binary optimization (QUBO) problems. It is implemented on application-specific CMOS hardware and currently solves problems of up to 1024 variables. The DA'
Externí odkaz:
http://arxiv.org/abs/1806.08815
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