Buscar
Mostrando ítems 51-60 de 330465
The concept of quasi-integrability for modified non-linear Schrodinger models
(SPRINGERNEW YORK, 2012)
We consider modifications of the nonlinear Schrodinger model (NLS) to look at the recently introduced concept of quasi-integrability. We show that such models possess an in finite number of quasi-conserved charges which ...
Soliton spectrum of integrable models with local symmetries
(2002-07-01)
The soliton spectrum (massive and massless) of a family of integrable models with local U(1) and U(1) ⊗U(1) symmetries is studied. These models represent relevant integrable deformations of SL(2,ℝ) ⊗U(1) n-1-WZW and SL(2,ℝ) ...
Soliton spectrum of integrable models with local symmetries
(2002-07-01)
The soliton spectrum (massive and massless) of a family of integrable models with local U(1) and U(1) ⊗U(1) symmetries is studied. These models represent relevant integrable deformations of SL(2,ℝ) ⊗U(1) n-1-WZW and SL(2,ℝ) ...
SOME COMMENTS ON QUASI-INTEGRABILITY
(PERGAMON-ELSEVIER SCIENCE LTD, 2011)
In this paper we present our preliminary results which suggest that some field theory models are `almost` integrable; i.e. they possess a large number of `almost` conserved quantities. First we demonstrate this, in some ...
MIDB: um modelo de integração de dados biológicos
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCC, 2012-02-29)
In bioinformatics, there is a huge volume of data related to biomolecules and to nucleotide and amino acid sequences that reside (in almost their totality) in several Biological Data Bases (BDBs). For a specific sequence, ...
Somas de Riemann e Integral Definida
(Lenimar Nunes de Andrade, 2016)
Somas de Riemann e Integral Definida
(Lenimar Nunes de Andrade, 2011)
N=1 super sinh-Gordon model with defects revisited
(Springer, 2015-02-26)
The Lax pair formalism is considered to discuss the integrability of the N = 1 supersymmetric sinh-Gordon model with a defect. We derive associated defect matrix for the model and construct the generating functions of the ...
Additional results on integrals of beam eigenfunctions
(SAGE Publications Ltd, 2018-03-14)
New simplest expression beam mode integrals are presented, including further simplifications and corrections of previous results; this type of integrals appear in computational methods in structural dynamics and vibrations ...