Výsledky vyhledávání - "Daisuke Furihata"

Akademický článek

Channel and model selection for multi-channel EEG input to neural networks

Autor: Kento Harachi, Yusuke Yamamoto, Ayumi Muramatsu, Hajime Nagahara, Noriko Takemura, Shinji Shimojo, Daisuke Furihata, Yuko Mizuno-Matsumoto

Publikováno v: SICE Journal of Control, Measurement, and System Integration, Vol 17, Iss 1 (2024)

Studies employing neural networks to classify emotions from brain waves and other biological signals provide a quantitative perspective on understanding human physiological phenomena. Typically, multimodal networks process combined data without consi

Externí odkaz: https://doaj.org/article/d2696af861a449d6847834eadb531f81

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A structure-preserving scheme for the Allen–Cahn equation with a dynamic boundary condition

Autor: Makoto Okumura, Daisuke Furihata

Publikováno v: Discrete & Continuous Dynamical Systems - A. 40:4927-4960

We propose a structure-preserving finite difference scheme for the Allen–Cahn equation with a dynamic boundary condition using the discrete variational derivative method [ 9 ]. In this method, how to discretize the energy which characterizes the eq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dae2dbecb494ac6e4fccce63fafdf9c6
https://doi.org/10.3934/dcds.2020206

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Akademický článek

A modified model for topic detection from a corpus and a new metric evaluating the understandability of topics.

Autor: Tomoya Kitano, Yuto Miyatake, Daisuke Furihata

Publikováno v: JSIAM Letters (Online); 2023, Vol. 15, p121-124, 4p

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Discrete variational derivative method—A structure-preserving numerical method for partial differential equations

Autor: Daisuke Furihata, Takayasu Matsuo

Publikováno v: Sugaku Expositions. 31:231-255

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f4fdd7ba7d6e0aa0845b23e4318e968
https://doi.org/10.1090/suga/435

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Geometric numerical integrators for Hunter–Saxton-like equations

Autor: Yuto Miyatake, Daisuke Furihata, David Cohen, Takayasu Matsuo

Publikováno v: Japan Journal of Industrial and Applied Mathematics. 34:441-472

We present novel geometric numerical integrators for Hunter-Saxton-like equations by means of new multi-symplectic formulations and known Hamiltonian structures of the problems. We consider the Hun ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75fd4e2cada4bafbc2238936c3c8adf2
https://doi.org/10.1007/s13160-017-0252-1

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Akademický článek

Composing a surrogate observation operator for sequential data assimilation.

Autor: Kosuke Akita, Yuto Miyatake, Daisuke Furihata

Publikováno v: JSIAM Letters (Online); 2022, p123-126, 4p

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Some discrete inequalities for central-difference type operators

Autor: Takayasu Matsuo, Hiroki Kojima, Daisuke Furihata

Publikováno v: Mathematics of Computation. 86:1719-1739

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6a8a41c6698d7c6bda6d74bb399b02e
https://doi.org/10.1090/mcom/3154

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A novel discrete variational derivative method using 'average-difference methods'

Autor: Daisuke Furihata, Shun Sato, Takayasu Matsuo

Publikováno v: JSIAM Letters. 8:81-84

We consider structure-preserving methods for conservative systems, which rigorously replicate the conservation property yielding better numerical solutions. There, corresponding to the skew-symmetry of the differential operator, that of difference op

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5511b332382b2f46c464170a1c703555
https://doi.org/10.14495/jsiaml.8.81

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The Hyers-Ulam Stability Constant for Chebyshevian Bernstein Operators

Autor: Rachid Ait-Haddou, Marie-Laurence Mazure, Daisuke Furihata

Publikováno v: Journal of Mathematical Analysis and Applications
Journal of Mathematical Analysis and Applications, 2018, 463 (2), pp.1075-1091. ⟨10.1016/j.jmaa.2018.03.067⟩
Journal of Mathematical Analysis and Applications, Elsevier, 2018, 463 (2), pp.1075-1091. ⟨10.1016/j.jmaa.2018.03.067⟩

International audience; On a closed bounded interval, a given Extended Chebyshev space which possesses a Bernstein basis generates infinitely many operators of the Bernstein-type. We show that all these operators share the same Hyers-Ulam stability c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09b406cce7e9a57b08332bd598154870
https://hal.science/hal-01660631

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An analysis on the asymptotic behavior of multistep linearly implicit schemes for the Duffing equation

Autor: Shun Sato, Takayasu Matsuo, Daisuke Furihata

Publikováno v: JSIAM Letters. 7:45-48

We consider the discrete gradient method for dissipative lineargradient systems, which strictly replicates the dissipation property, yielding a remarkable stability. However, it also replicates the nonlinearity of an original equation. To overcome th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55ab53e230c4b1bcf9ef36d2fead2830
https://doi.org/10.14495/jsiaml.7.45

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