168 citations · 279 across the 11 of their papers we have counts for
11 papers
From phase synchronization to waveform proportionality in a population of Rössler oscillators driven by an external pacemaker
Yuzuru Mitsui, Shigefumi Hata, Hiroshi Kori
The dynamical order of self-sustained oscillators is often characterized by phase synchronization, extensively studied within the framework of the Kuramoto model. It has recently b…
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…
Theory of phase reduction from hypergraphs to simplicial complexes: a general route to higher-order Kuramoto models
Iván León, Riccardo Muolo, Shigefumi Hata +1
Phase reduction is a powerful technique in the study of nonlinear oscillatory systems. Under certain assumptions, it allows us to describe each multidimensional oscillator by a sin…
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…
Higher-order interactions induce anomalous transitions to synchrony
Iván León, Riccardo Muolo, Shigefumi Hata +1
We analyze the simplest model of identical coupled phase oscillators subject to two-body and three-body interactions with permutation symmetry. This model is derived from an ensemb…
Pattern formation in multiplex networks
Nikos E. Kouvaris, Shigefumi Hata, Albert Díaz-Guilera
The advances in understanding complex networks have generated increasing interest in dynamical processes occurring on them. Pattern formation in activator-inhibitor systems has bee…
Advection of passive particles over flow networks
Shigefumi Hata, Hiroya Nakao, Alexander S. Mikhailov
The problem of stochastic advection of passive particles by circulating conserved flows on networks is formulated and investigated. The particles undergo transitions between the no…
Dispersal-induced destabilization of metapopulations and oscillatory Turing patterns in ecological networks
Shigefumi Hata, Hiroya Nakao, Alexander S. Mikhailov
As proposed by Alan Turing in 1952 as a ubiquitous mechanism for nonequilibrium pattern formation, diffusional effects may destabilize uniform distributions of reacting chemical sp…
Sufficient conditions for wave instability in three-component reaction-diffusion systems
Shigefumi Hata, Hiroya Nakao, Alexander S. Mikhailov
Sufficient conditions for the wave instability in general three-component reaction-diffusion systems are derived. These conditions are expressed in terms of the Jacobian matrix of…
Optimal phase response curves for stochastic synchronization of limit-cycle oscillators by common Poisson noise
Shigefumi Hata, Kensuke Arai, Roberto F. Galán +1
We consider optimization of phase response curves for stochastic synchronization of non-interacting limit-cycle oscillators by common Poisson impulsive signals. The optimal functio…
Synchronization of uncoupled oscillators by common gamma impulses: from phase locking to noise-induced synchronization
Shigefumi Hata, Takeaki Shimokawa, Kensuke Arai +1
Nonlinear oscillators can mutually synchronize when they are driven by common external impulses. Two important scenarios are (i) synchronization resulting from phase locking of eac…