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Related papers: Super tau-covers of bihamiltonian integrable hiera…

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We prove that for any tau-symmetric bihamiltonian deformation of the tau-cover of the Principal Hierarchy associated with a semisimple Frobenius manifold, the deformed tau-cover admits an infinite set of Virasoro symmetries.

Mathematical Physics · Physics 2022-08-10 Si-Qi Liu , Zhe Wang , Youjin Zhang

For any generalized Frobenius manifold with non-flat unity, we construct a bihamiltonian integrable hierarchy of hydrodynamic type which is an analogue of the Principal Hierarchy of a Frobenius manifold. We show that such an integrable…

Mathematical Physics · Physics 2024-08-22 Si-Qi Liu , Haonan Qu , Youjin Zhang

Starting from a so-called flat exact semisimple bihamiltonian structures of hydrodynamic type, we arrive at a Frobenius manifold structure and a tau structure for the associated principal hierarchy. We then classify the deformations of the…

Differential Geometry · Mathematics 2018-08-01 Boris Dubrovin , Si-Qi Liu , Youjin Zhang

Given a semisimple Frobenius manifold, we construct a class of integrable deformations of its hierarchy of topological type. We show that these integrable deformations have polynomial tau-structures, and conjecture that for the…

Mathematical Physics · Physics 2025-11-11 Si-Qi Liu , Paolo Rossi , Di Yang , Youjin Zhang

For any semisimple Frobenius manifold, we prove that a tau-symmetric bihamiltonian deformation of its Principal Hierarchy admits an infinite family of linearizable Virasoro symmetries if and only if all the central invariants of the…

Mathematical Physics · Physics 2021-09-08 Si-Qi Liu , Zhe Wang , Youjin Zhang

A higher dimensional analogue of the dispersionless KP hierarchy is introduced. In addition to the two-dimensional ``phase space'' variables $(k,x)$ of the dispersionless KP hierarchy, this hierarchy has extra spatial dimensions…

High Energy Physics - Theory · Physics 2009-10-28 Kanehisa Takasaki

Recently we investigated a new supersymmetrization procedure for the KdV hierarchy inspired in some recent work on supersymmetric matrix models. We extend this procedure here for the generalized KdV hierarchies. The resulting supersymmetric…

High Energy Physics - Theory · Physics 2015-06-26 J. M. Figueroa-O'Farrill , S. Stanciu

An integrable generalization of the super Kaup-Newell(KN) isospectral problem is introduced and its corresponding generalized super KN soliton hierarchy are established based on a Lie super-algebra B(0,1) and super-trace identity in this…

Exactly Solvable and Integrable Systems · Physics 2017-06-14 Beibei Hu , Tiecheng Xia , Ling Zhang

For an arbitrary semisimple Frobenius manifold we construct Hodge integrable hierarchy of Hamiltonian partial differential equations. In the particular case of quantum cohomology the tau-function of a solution to the hierarchy generates the…

Algebraic Geometry · Mathematics 2014-09-17 Boris Dubrovin , Si-Qi Liu , Di Yang , Youjin Zhang

We introduce integrable KdV type hierarchy associated naturally with arbitrary semi-simple Frobenius manifold. We present hierarchy in a Lax form and show that it admits bihamiltonian description.

Algebraic Geometry · Mathematics 2019-06-04 Serguei Barannikov

This paper is devoted to the systematic study of additional (non- isospectral) symmetries of constrained (reduced) supersymmetric integrable hierarchies of KP type- the so called SKP_(R;M_B,M_F) models. The latter are supersymmetric…

Exactly Solvable and Integrable Systems · Physics 2009-11-07 Emil Nissimov , Svetlana Pacheva

We review the results of several of our papers about the procedure of extension of Hamiltonians, allowing the construction of families of superintegrable systems with non-trivial polynomial first integrals (or symmetry operators) of…

Mathematical Physics · Physics 2024-12-02 Claudia Maria Chanu , Giovanni Rastelli

We define a dispersionless tau-symmetric bihamiltonian integrable hierarchy on the space of pairs of functions analytic inside/outside the unit circle with simple poles at $0$/$\infty$ respectively, which extends the dispersionless 2D Toda…

Mathematical Physics · Physics 2015-12-14 Guido Carlet , Luca Philippe Mertens

This series of papers is devoted to the study of deformations of Virasoro symmetries of the principal hierarchies associated to semisimple Frobenius manifolds. The main tool we use is a generalization of the bihamiltonian cohomology called…

Differential Geometry · Mathematics 2023-07-05 Si-Qi Liu , Zhe Wang , Youjin Zhang

We prove that the supersymmetric BKP-hierarchy of Yu (SBKP_2) is hamiltonian with respect to a nonlinear extension of the N=1 Super-Virasoro algebra (W_SBKP) by fields of spin k, where k>3/2 and 2k = 0,3 mod 4. Moreover, we show how to…

High Energy Physics - Theory · Physics 2009-10-28 Eduardo Ramos , Sonia Stanciu

We discuss the possible relationship between geodesic flow, integrability and supersymmetry, using fermionic extensions of the KdV equation, as well as the recently introduced supersymmetrisation of the Camassa-Holm equation, as…

Exactly Solvable and Integrable Systems · Physics 2011-04-15 Chandrashekar Devchand , Jeremy Schiff

We obtain the bi-Hamiltonian structure of the super KP hierarchy based on the even super KP operator $\Lambda = \theta^{2} + \sum^{\infty}_{i=-2}U_{i} \theta^{-i-1}$, as a supersymmetric extension of the ordinary KP bi-Hamiltonian…

High Energy Physics - Theory · Physics 2007-05-23 Feng Yu

The N=2 supersymmetric {\alpha}=1 KdV hierarchy in N=2 superspace is considered and its rich symmetry structure is uncovered. New nonpolynomial and nonlocal, bosonic and fermionic symmetries and Hamiltonians, bi-Hamiltonian structure as…

Exactly Solvable and Integrable Systems · Physics 2015-06-26 P. H. M. Kersten , A. S. Sorin

An infinite series of Grassmann-odd and Grassmann-even flow equations is defined for a class of supersymmetric integrable hierarchies associated with loop superalgebras. All these flows commute with the mutually commuting bosonic ones…

High Energy Physics - Theory · Physics 2009-10-31 Jens Ole Madsen , J. Luis Miramontes

An extension of the super Korteweg-de Vries integrable system in terms of operator valued functions is obtained. In particular the extension contains the $N=1$ Super KdV and coupled systems with functions valued on a symplectic space. We…

Mathematical Physics · Physics 2015-06-22 A. Restuccia , A. Sotomayor
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