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TITLE On the Gradient Flow Formulation of the Lohe Matrix Model with High-Order Polynomial Couplings
KIAS AUTHORS Ha, Seung-Yeal
JOURNAL JOURNAL OF STATISTICAL PHYSICS, 2021
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ABSTRACT We present a first-order aggregation model for a homogeneous Lohe matrix ensemble with higher order couplings via a gradient flow approach. For homogeneous free flow with the same Hamiltonian, it is well known that the Lohe matrix model with cubic couplings can be recast as a gradient system with a potential which is a squared Frobenius norm of of averaged state. In this paper, we further derive a generalized Lohe matrix model with higher-order couplings via gradient flow approach for a polynomial potential. For the proposed model, we also provide a sufficient framework in terms of coupling strengths and initial data leading to the emergent dynamics of a homogeneous ensemble.
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