Results 21 to 30 of about 1,069 (170)

Thiophene Derivatives as Versatile Precursors for (Hetero)Arene and Natural Product Synthesis. [PDF]

open access: yesAngew Chem Int Ed Engl
Hidden but Powerful: Thiophenes and their saturated analogues have been demonstrated to be versatile C4‐building blocks that can be rapidly applied to natural product synthesis and the construction of functionalized (hetero)arenes. This minireview aims to provide a concise overview of the strategies and implementations of these sulfur‐containing ...
Keimer A, Haut FL.
europepmc   +2 more sources

Generalized Bäcklund transformations for affine Toda hierarchies [PDF]

open access: yes, 2021
The construction of generalized Bäcklund transformation for the An affine Toda hierarchy is proposed in terms of gauge transformation acting on the zero curvature representation.
De Carvalho Ferreira, J. M. [UNESP]   +3 more
core   +1 more source

Quantum Bäcklund transformation for the Liouville theory [PDF]

open access: yes, 1982
The classical Bäcklund transformation, which maps the Liouville model onto a free field theory, is developed into an explicit operator relation for quantum fields.
Braaten, Eric   +2 more
core   +1 more source

Gauge Miura and Bäcklund transformations for generalized An-KdV hierarchies [PDF]

open access: yes, 2021
The construction of Miura and Bäcklund transformations for An mKdV and KdV hierarchies are presented in terms of gauge transformations acting upon the zero curvature representation.
De Carvalho Ferreira, J. M. [UNESP]   +3 more
core   +1 more source

Nonclassical Symmetries and Bäcklund Transformations [PDF]

open access: yes, 1993
In this paper we show how to obtain well-known Bäcklund transformations of several equations by applying the nonclassical symmetries method. In particular, we derive the Bäcklund transformation between the modified Korteweg-de Vries and the Korteweg-de ...
Nucci, M.C., NUCCI, Maria Clara
core   +1 more source

A bilinear Bäcklund transformation of a (3+1) -dimensional generalized KP equation [PDF]

open access: yes, 2012
A bilinear Bäcklund transformation is presented for a (3+1)-dimensional generalized KP equation, which consists of six bilinear equations and involves nine arbitrary parameters.
Abdeljabbar, Alrazi, Ma, Wen-Xiu
core   +1 more source

Construction of type-II Bäcklund transformation for the mKdV hierarchy [PDF]

open access: yes, 2015
From an algebraic construction of the mKdV hierarchy we observe that the space component of the Lax operator plays the role of a universal algebraic object.
Gomes, J. F.   +5 more
core   +1 more source

Novel Bäcklund Transformations for Integrable Equations

open access: yesMathematics, 2022
In this paper, we construct a new matrix partial differential equation having a structure and properties which mirror those of a matrix fourth Painlevé equation recently derived by the current authors.
Pilar Ruiz Gordoa, Andrew Pickering
doaj   +1 more source

Beşinci mertebeden Burgers Hierarchy denklemi için Auto-Bäcklund dönüşümü [PDF]

open access: yes, 2019
In this paper, we implemented Auto-Bäcklund transformation for fifth order equation of the Burgers hierarchy. Auto-Bäcklund transformation was developed as a direct and simple method to obtain solutions of nonlinear partial differential equations by Fan.
İnan, İbrahim Enam
core   +1 more source

The N-soliton solutions of the (2+1)-dimensional Hirota–Satsuma–Ito equation

open access: yesResults in Physics, 2022
Through the Bäcklund transformation and Hirota bilinear form, the explicit solutions with localized structures for the (2+1)-dimensional Hirota–Satsuma–Ito equation are solved.
Zheng-Yi Ma, Jin-Xi Fei, Wei-Ping Cao
doaj   +1 more source

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