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We consider a 3$\times$3 spectral problem which generates four-component CH type systems. The bi-Hamiltonian structure and infinitely many conserved quantities are constructed for the associated hierarchy. Some possible reductions are also…

Exactly Solvable and Integrable Systems · Physics 2015-06-17 Nianhua Li , Q. P. Liu , Z. Popowicz

We perform the Hamiltonian analysis of non-relativistic covariant Horava-Lifshitz gravity in the formulation presented recently in arXiv:1009.4885. We argue that the resulting Hamiltonian structure is in agreement with the original…

High Energy Physics - Theory · Physics 2011-03-23 J. Kluson

In the present paper correspondence between non-Noether symmetries and bi-Hamiltonian structures is disscussed. We show that in regular Hamiltonian systems presence of the global bi-Hamiltonian structure is caused by symmetry of the space…

Mathematical Physics · Physics 2007-05-23 George Chavchanidze

In this paper, we propose a second-order energy-conserving approximation procedure for Hamiltonian systems with holonomic constraints. The derivation of the procedure relies on the use of the so-called line integral framework. We provide…

Numerical Analysis · Mathematics 2018-01-09 Luigi Brugnano , Gianmarco Gurioli , Felice Iavernaro , Ewa B. Weinmueller

It is shown that a class of dynamical systems (encompassing the one recently considered by F. Calogero [J. Math. Phys. 37 (1996) 1735]) is both quasi-bi-Hamiltonian and bi-Hamiltonian. The first formulation entails the separability of these…

solv-int · Physics 2009-10-31 C. Morosi , G. Tondo

In this study, we present a new analogue of Euler-Lagrange and Hamilton equations on an almost K\"ahler model of a Finsler manifold. Also, we give some corollories about the related mechanical systems and equations.

Mathematical Physics · Physics 2012-11-08 Mehmet Tekkoyun , Oğuzhan Çelik

Let $X$ be a path connected, locally path connected and semilocally simply connected space; let $\tilde{X}$ be its universal cover. We discuss the existence and description of a Haar system on the fundamental groupoid $\Pi_1(X)$ of $X$. The…

Operator Algebras · Mathematics 2023-05-12 Rohit Dilip Holkar , Md Amir Hossain

Port-Hamiltonian systems theory provides a systematic methodology for the modeling, simulation and control of multi-physics systems. The incorporation of algebraic constraints has led to a multitude of definitions of port-Hamiltonian…

Optimization and Control · Mathematics 2022-11-15 Arjan van der Schaft , Volker Mehrmann

We formulate a systematic algorithm for constructing a whole class of Hermitian position-dependent-mass Hamiltonians which, to lowest order of perturbation theory, allow a description in terms of PT-symmetric Hamiltonians. The method is…

Quantum Physics · Physics 2009-11-11 B. Bagchi , C. Quesne , R. Roychoudhury

Additional supplementary material for the paper `A First-Principles Constitutive Equation for Suspension Rheology'.

Soft Condensed Matter · Physics 2008-08-12 J. M. Brader , M. E. Cates , M. Fuchs

The Lie product and the order relation are viewed as defining structures for Hamiltonian dynamical systems. Their admissible combinations are singled out by the requirement that the group of the Lie automorphisms be contained in the group…

Quantum Physics · Physics 2007-05-23 A. Petrov

For any odd $k$, a connection is established between the dihedral and supersymmetric extensions of the Tremblay-Turbiner-Winternitz Hamiltonians $H_k$ on a plane. For this purpose, the elements of the dihedral group $D_{2k}$ are realized in…

Mathematical Physics · Physics 2010-08-27 C. Quesne

The $(n,m)^{\th}$ KdV hierarchy is a restriction of the KP hierarchy to a submanifold of pseudo-differential operators in a radio form. Explicit formula of the restricted Hamiltonian structure of KP is given which provides a new, more…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 Yi Cheng , Qing Chen , Jingsong He

We review various notions of correspondences for locally compact groupoids with Haar systems, in particular a recent definition due to R.D. Holkar. We give the construction of the representations induced by such a correspondence. Finally,…

Operator Algebras · Mathematics 2014-06-04 Jean Renault

In the study of bi-Hamiltonian systems (both classical and quantum) one starts with a given dynamics and looks for all alternative Hamiltonian descriptions it admits.In this paper we start with two compatible Hermitian structures (the…

Quantum Physics · Physics 2009-11-07 G. Marmo , G. Morandi , A. Simoni , F. Ventriglia

We make some observation on the logarithmic version of K-stability.

Differential Geometry · Mathematics 2011-04-05 Chi Li

A new topology is proposed on the space of holonomy equivalence classes of loops, induced by the topology of the space $\Sigma$ in which the loops are embedded. The possible role for the new topology in the context of the work by Ashtekar…

High Energy Physics - Theory · Physics 2007-05-23 J. Rasmussen , M. Weis

In this study, we introduce Euler-Lagrange and Hamiltonian equations on (R2; g; J) being a model of para-Kaehlerian Space Forms. Finally, some geometrical and physical results on the related mechanic systems have been discussed.

Dynamical Systems · Mathematics 2009-02-27 Mehmet Tekkoyun

A bi-Hamiltonian formulation is proposed for triangular systems resulted by perturbations around solutions, from which infinitely many symmetries and conserved functionals of triangular systems can be explicitly constructed, provided that…

Exactly Solvable and Integrable Systems · Physics 2009-11-07 Wen-Xiu Ma

Physical systems with symmetry arise abundantly in applications, and are endowed with interesting mathematical structures. The present paper focusses on linear reciprocal and input-output Hamiltonian systems. Their characterization is…

Optimization and Control · Mathematics 2025-04-07 Arjan van der Schaft , Rodolphe Sepulchre , Tom Chaffey