[HTML][HTML] On the modified KP hierarchy: tau functions, squared eigenfunction symmetries and additional symmetries

J Cheng, M Li, K Tian - Journal of Geometry and Physics, 2018 - Elsevier
In this paper, the modified KP hierarchy in the Kupershmidt–Kiso version is investigated
starting from the tau functions. There are two tau functions for the modified KP hierarchy. We …

Darboux transformations of the supersymmetric constrained B and C type KP hierarchies

Q Shi, C Li - Journal of Geometry and Physics, 2021 - Elsevier
Based on Darboux transformations for the supersymmetric constrained KP (ScKP) hierarchy,
we construct the supersymmetric constrained B type KP (ScBKP) and supersymmetric …

On the constrained B-type Kadomtsev–Petviashvili hierarchy: Hirota bilinear equations and Virasoro symmetry

HF Shen, MH Tu - Journal of Mathematical Physics, 2011 - pubs.aip.org
We derive the bilinear equations of the constrained BKP hierarchy from the calculus of
pseudodifferential operators. The full hierarchy equations can be expressed in Hirota's …

Bilinear equations in Darboux transformations by Boson–Fermion correspondence

Y Yang, J Cheng - Physica D: Nonlinear Phenomena, 2022 - Elsevier
Bilinear equation is an important property for integrable nonlinear evolution equation. Many
famous research objects in mathematical physics, such as Gromov–Witten invariants, can be …

Binary nonlinearization of the super AKNS system

J He, J Yu, Y Cheng, R Zhou - Modern Physics Letters B, 2008 - World Scientific
We establish the binary nonlinearization approach of the spectral problem of the super
AKNS system, and then use it to obtain the super finite-dimensional integrable Hamiltonian …

CKP hierarchy and free bosons

Y Yang, L Geng, J Cheng - Journal of Mathematical Physics, 2021 - pubs.aip.org
In this paper, free bosons are used to study some integrable properties of Kadomtsev-
Petviashvili (KP) hierarchy of C type (CKP hierarchy), from the aspects of tau functions. First …

Duality of positive and negative integrable hierarchies via relativistically invariant fields

SY Lou, XB Hu, QP Liu - Journal of High Energy Physics, 2021 - Springer
A bstract It is shown that the relativistic invariance plays a key role in the study of integrable
systems. Using the relativistically invariant sine-Gordon equation, the Tzitzeica equation, the …

Ghost symmetry of the discrete KP hierarchy

C Li, J Cheng, K Tian, M Li, J He - Monatshefte für Mathematik, 2016 - Springer
In this paper, with the help of the S function and ghost symmetry for the discrete KP hierarchy
which is a semi-discrete version of the KP hierarchy, the ghost flow on its eigenfunction …

Darboux and binary Darboux transformations for the nonautonomous discrete KP equation

R Willox, T Tokihiro, J Satsuma - Journal of Mathematical Physics, 1997 - pubs.aip.org
In this paper we deal with explicit classes of solutions for the nonautonomous discrete KP n-
dKP equation,„bm cn… l, m 1, n 1 l 1, m, n„cn al… l 1, m, n 1 l, m 1, n „al bm… l 1, m 1, nl, m …

Supersymmetric Kadomtsev–Petviashvili hierarchy:“ghost” symmetry structure, reductions, and Darboux–Bäcklund solutions

H Aratyn, E Nissimov, S Pacheva - Journal of Mathematical Physics, 1999 - pubs.aip.org
This paper studies Manin–Radul supersymmetric Kadomtsev–Petviashvili hierarchy (MR-
SKP) in three related aspects:(i) We find an infinite set of additional (“ghost”) symmetry flows …