activity
20222026
most citedEstimating asymptotic phase and amplitude functions of limit-cycle oscillators from time series data

16 citations · 22 across the 9 of their papers we have counts for

collaborators

9 papers

nlin.AO2026

An Isochron-Free Framework for Phase Reduction and Coupling Inference

Akari Matsuki, Ryota Kobayashi, Hiroshi Kori

Phase description provides a compact and powerful framework for analyzing synchronization dynamics in weakly coupled limit-cycle oscillators. While its classical formulation relies…

nlin.AO2026

Data-driven inference of Hopf normal form representations from oscillatory time series

Shinsuke Koyama, Ryota Kobayashi

We introduce a data-driven framework that maps noisy oscillatory time series directly onto the Hopf normal form, enabling inference of underlying dynamics without knowledge of gove…

cond-mat.supr-con2026

Time-resolved synchronization analysis of stacked intrinsic Josephson junctions of a cuprate superconductor with frequency-modulated terahertz radiation spectra

Masashi Miyamoto, Keisuke Mizoguchi, Ryota Kobayashi +3

Terahertz radiation from intrinsic Josephson junctions (IJJs) provides an ideal platform to study the synchronization of a macro…

physics.soc-ph2025

Manipulating Collective Opinion through Social Network Intervention

Shigefumi Hata, Renaud Lambiotte, Hiroya Nakao +1

Social media platforms have transformed the dynamics of collective opinion formation, enabling rapid, large-scale interactions while simultaneously exposing online discourse to pol…

nlin.CD2025★ 1 cited

Distinguishing pairwise and higher-order interactions in coupled oscillators from time series

Weiwei Su, Shigefumi Hata, Hiroshi Kori +2

Rhythmic phenomena, which are ubiquitous in biological systems, are typically modelled as systems of coupled limit cycle oscillators. Recently, there has been an increased interest…

nlin.AO2024★ 4 cited

Gaussian Process Phase Interpolation for estimating the asymptotic phase of a limit cycle oscillator from time series data

Taichi Yamamoto, Hiroya Nakao, Ryota Kobayashi

Rhythmic activity commonly observed in biological systems, occurring from the cellular level to the organismic level, is typically modeled as limit cycle oscillators. Phase reducti…

nlin.AO2024★ 1 cited

Network inference applicable to both synchronous and desynchronous systems from oscillatory signals

Akari Matsuki, Hiroshi Kori, Ryota Kobayashi

Synchronization is ubiquitous in nature, which is mathematically described by coupled oscillators. Synchronization strongly depends on the interaction network, and the network play…

nlin.AO2022

An extended Hilbert transform method for reconstructing the phase from an oscillatory signal

Akari Matsuki, Hiroshi Kori, Ryota Kobayashi

Rhythmic activity is ubiquitous in biological systems from the cellular to organism level. Reconstructing the instantaneous phase is the first step in analyzing the essential mecha…

nlin.AO2022★ 16 cited

Estimating asymptotic phase and amplitude functions of limit-cycle oscillators from time series data

Norihisa Namura, Shohei Takata, Katsunori Yamaguchi +2

We propose a method for estimating the asymptotic phase and amplitude functions of limit-cycle oscillators using observed time series data without prior knowledge of their dynamica…