2.2k citations · 2.4k across the 14 of their papers we have counts for
14 papers
Symplectic Representation of Legendre Dynamics
Robert Simon Fong, Gouhei Tanaka, Kazuyuki Aihara
Modern learning systems act on internal representations of data, yet how these representations encode underlying physical or statistical structure is often left implicit. In physic…
Dynamical Graph Echo State Networks with Snapshot Merging for Dissemination Process Classification
Ziqiang Li, Kantaro Fujiwara, Gouhei Tanaka
The Dissemination Process Classification (DPC) is a popular application of temporal graph classification. The aim of DPC is to classify different spreading patterns of information…
Performance enhancement of a spin-wave-based reservoir computing system utilizing different physical conditions
Ryosho Nakane, Akira Hirose, Gouhei Tanaka
The authors have numerically studied how to enhance reservoir computing performance by thoroughly extracting their spin-wave device potential for higher-dimensional information gen…
Simulation platform for pattern recognition based on reservoir computing with memristor networks
Gouhei Tanaka, Ryosho Nakane
Memristive systems and devices are potentially available for implementing reservoir computing (RC) systems applied to pattern recognition. However, the computational ability of mem…
Reservoir Computing with Diverse Timescales for Prediction of Multiscale Dynamics
Gouhei Tanaka, Tadayoshi Matsumori, Hiroaki Yoshida +1
Machine learning approaches have recently been leveraged as a substitute or an aid for physical/mathematical modeling approaches to dynamical systems. To develop an efficient machi…
2022 Roadmap on Neuromorphic Computing and Engineering
Dennis V. Christensen, Regina Dittmann, Bernabé Linares-Barranco +56
Modern computation based on the von Neumann architecture is today a mature cutting-edge science. In the Von Neumann architecture, processing and memory units are implemented as sep…
A numerical exploration of signal detector arrangement in a spin-wave reservoir computing device
Takehiro Ichimura, Ryosho Nakane, Gouhei Tanaka +1
This paper studies numerically how the signal detector arrangement influences the performance of reservoir computing using spin waves excited in a ferrimagnetic garnet film. This i…
Spin waves propagating through a stripe magnetic domain structure and their applications to reservoir computing
Ryosho Nakane, Akira Hirose, Gouhei Tanaka
Spin waves propagating through a stripe domain structure and reservoir computing with their spin dynamics have been numerically studied with focusing on the relation between physic…
Intervention Threshold for Epidemic Control in Susceptible-Infected-Recovered Metapopulation Models
Akari Matsuki, Gouhei Tanaka
Metapopulation epidemic models describe epidemic dynamics in networks of spatially distant patches connected with pathways for migration of individuals. In the present study, we de…
Recent Advances in Physical Reservoir Computing: A Review
Gouhei Tanaka, Toshiyuki Yamane, Jean Benoit Héroux +6
Reservoir computing is a computational framework suited for temporal/sequential data processing. It is derived from several recurrent neural network models, including echo state ne…
Smoothing effect for spatially distributed renewable resources and its impact on power grid robustness
Motoki Nagata, Yoshito Hirata, Naoya Fujiwara +3
In this paper, we show that spatial correlation of renewable energy outputs greatly influences the robustness of power grids. First, we propose a new index for the spatial correlat…
Non-standard scaling law of fluctuations in finite-size systems of globally coupled oscillators
Isao Nishikawa, Gouhei Tanaka, Kazuyuki Aihara
Universal scaling laws form one of the central issues in physics. A non-standard scaling law or a breakdown of a standard scaling law, on the other hand, can often lead to the find…
Finite-size scaling in globally coupled phase oscillators with a general coupling scheme
Isao Nishikawa, Koji Iwayama, Gouhei Tanaka +2
We investigate a critical exponent related to synchronization transition in globally coupled nonidentical phase oscillators. The critical exponents of susceptibility, correlation t…
Long-term fluctuations in globally coupled phase oscillators with general coupling: Finite size effects
Isao Nishikawa, Gouhei Tanaka, Takehiko Horita +1
We investigate the diffusion coefficient of the time integral of the Kuramoto order parameter in globally coupled nonidentical phase oscillators. This coefficient represents the de…