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Related papers: On the Schr\"odinger-Lohe hierarchy for aggregatio…

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We study emergent behaviors of the Lohe hermitian sphere(LHS) model which is an aggregation model on ${\mathbb C}^d$. The LHS model is a complex analog of the Lohe sphere model on ${\mathbb R}^d$, and hermitian spheres are invariant sets…

Mathematical Physics · Physics 2020-04-14 Seung-Yeal Ha , Hansol Park

A tensor is a multi-dimensional array of complex numbers, and the Lohe tensor model is an aggregation model on the space of tensors with the same rank and size. It incorporates previously well-studied aggregation models on the space of…

Mathematical Physics · Physics 2021-04-01 Seung-Yeal Ha , Dohyun Kim , Hansol Park

We study emergent dynamics of the Lohe hermitian sphere(LHS) model which can be derived from the Lohe tensor model \cite{H-P2} as a complex counterpart of the Lohe sphere(LS) model. The Lohe hermitian sphere model describes aggregate…

Mathematical Physics · Physics 2021-05-19 Seung-Yeal Ha , Myeongju Kang , Hansol Park

We present a first-order aggregation model on the space of complex matrices which can be derived from the Lohe tensor model on the space of tensors with the same rank and size. We call such matrix-valued aggregation model as "the…

Mathematical Physics · Physics 2020-04-14 Seung-Yeal Ha , Hansol Park

In this paper, we review state-of-the-art results on the collective behaviors for Lohe type first-order aggregation models. Collective behaviors of classical and quantum many-body systems have received lots of attention from diverse…

Dynamical Systems · Mathematics 2021-08-25 Seung-Yeal Ha , Dohyun Kim

The Lohe sphere model and the Lohe matrix model are prototype continuous aggregation models on the unit sphere and the unitary group, respectively. These models have been extensively investigated in recent literature. In this paper, we…

Mathematical Physics · Physics 2021-11-18 Hyungjun Choi , Seung-Yeal Ha , Hansol Park

We present constants of motion for the finite-dimensional Lohe type aggregation models with frustration and we apply them to analyze the emergence of collective behaviors. The Lohe type models have been proposed as possible non-abelian and…

Mathematical Physics · Physics 2021-02-03 Seung-Yeal Ha , Dohyun Kim , Hansol Park , Sang Woo Ryoo

The Su-Schrieffer-Heeger (SSH) model describes a tight-binding one-dimensional (1D) lattice with alternating nearest-neighbor amplitudes. Despite its mathematically simple and physically intuitive structure, the SSH model is capable of…

Mesoscale and Nanoscale Physics · Physics 2026-04-10 Raditya Weda Bomantara

The aim of this paper is to summarize some recently obtained relations between the Ablowitz-Ladik hierarchy (ALH) and other integrable equations. It has been shown that solutions of finite subsystems of the ALH can be used to derive a wide…

solv-int · Physics 2007-05-23 V. E. Vekslerchik

We generate hierarchies of derivative nonlinear Schr\"odinger-type equations and their nonlocal extensions from Lie algebra splittings and automorphisms. This provides an algebraic explanation of some known reductions and newly established…

Exactly Solvable and Integrable Systems · Physics 2017-04-10 Zhiwei Wu , Jingsong He

In this paper, we study the derivations, the central extensions and the automorphism group of the extended Schrodinger-Virasoro Lie algebra, introduced by J. Unterberger in the context of two-dimensional conformal field theory and…

Rings and Algebras · Mathematics 2008-01-15 Shoulan Gao , Cuipo Jiang , Yufeng Pei

We construct a new class of higher-dimensional column-vector loop algebras. Based on it, a method for generating higher-dimensional isospectral-nonisospectral integrable hierarchies is proposed. As an application, we derive a generalized…

Exactly Solvable and Integrable Systems · Physics 2023-11-14 Haifeng Wang , Yufeng Zhang , Chuanzhong Li

Synchronization on the sphere is important to certain control applications in swarm robotics. Of recent interest is the Lohe model, which generalizes the Kuramoto model from the circle to the sphere. The Lohe model is mainly studied in…

Optimization and Control · Mathematics 2020-04-02 Johan Markdahl , Daniele Proverbio , Jorge Goncalves

We study a global well-posedness of measure-valued solutions to the kinetic Lohe Hermitian sphere(LHS) model derived from the Lohe tensor(LT) model on the set of rank-1 complex tensors(i.e. complex vectors) with the same size and…

Analysis of PDEs · Mathematics 2021-04-28 Junhyeok Byeon , Seung-Yeal Ha , Gyuyoung Hwang , Hansol Park

In the paper we continue to consider symmetries related to the Ablowitz-Ladik hierarchy. We derive symmetries for the integrable discrete nonlinear Schr\"odinger hierarchy and discrete AKNS hierarchy. The integrable discrete nonlinear…

Exactly Solvable and Integrable Systems · Physics 2010-04-08 Da-jun Zhang , Shou-ting Chen

The Schr\"odinger-Lohe model consists of wave functions interacting with each other, according to a system of Schr\"odinger equations with a specific coupling such that all wave functions evolve on the $L^2$ unit ball. This model has been…

Probability · Mathematics 2021-07-13 Reika Fukuizumi , Leo Hahn

We provide a Lie algebra expansion procedure to construct three-dimensional higher-order Schr\"odinger algebras which relies on a particular subalgebra of the four-dimensional relativistic conformal algebra. In particular, we reproduce the…

High Energy Physics - Theory · Physics 2020-04-15 Oguzhan Kasikci , Nese Ozdemir , Mehmet Ozkan , Utku Zorba

Addition of higher nonlinear terms to the well known integrable nonlinear Schr\"odinger (NLS) equations, keeping the same linear dispersion (LD) usually makes the system nonintegrable. We present a systematic method through a novel…

Exactly Solvable and Integrable Systems · Physics 2008-04-24 Anjan Kundu

Tensor hierarchy algebras are infinite-dimensional generalisations of Cartan-type Lie superalgebras. They are not contragredient, exhibiting an asymmetry between positive and negative levels. These superalgebras have been a focus of…

Representation Theory · Mathematics 2021-12-22 Martin Cederwall , Jakob Palmkvist

The hierarchy structure associated with a (2+1)-dimensional Nonlinear Schroedinger equation is discussed as an extension of the theory of the KP hierarchy. Several methods to construct special solutions are given. The relation between the…

Exactly Solvable and Integrable Systems · Physics 2015-06-26 Saburo Kakei , Takeshi Ikeda , Kanehisa Takasaki
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