Scholars@Duke
Konstantinos Efstathiou

Konstantinos Efstathiou

Associate Professor of Mathematics at Duke Kunshan University
DKU Faculty

Featured Works

Entrainment degree of globally coupled Winfree oscillators under external forcing.

Journal article Chaos (Woodbury, N.Y.) · October 2022 Featured Publication We consider globally connected coupled Winfree oscillators under the influence of an external periodic forcing. Such systems exhibit many qualitatively different regimes of collective dynamics. Our aim is to understand this collective dynamics and, in part ... Full text Cite

Loops of Infinite Order and Toric Foliations

Journal article Regular and Chaotic Dynamics · May 1, 2022 Featured Publication In 2005 Dullin et al. proved that thenonzero vector of Maslov indices is an eigenvector with eigenvalue1 of the monodromy matrices of an integrable Hamiltonian system.We take a close look at the geometry behind this result and extendit to the more general ... Full text Cite

Synchronized clusters in globally connected networks of second-order oscillators: Uncovering the role of inertia.

Journal article Chaos (Woodbury, N.Y.) · September 2021 Featured Publication We discuss the formation of secondary synchronized clusters, that is, small clusters of synchronized oscillators besides the main cluster, in second-order oscillator networks and the role of inertia in this process. Such secondary synchronized clusters giv ... Full text Cite