Results 31 to 40 of about 2,675,517 (69)

Remarks on Lin-Nakamura-Wang's paper [PDF]

open access: yesarXiv, 2019
Theorem 1.2 in their paper arXiv:1904.00999v1 [math.AP] 30 Mar 2019 "Reconstruction of unknown cavity by single measurement" is not valid.
arxiv  

Analyzability in the context of PDEs and applications [PDF]

open access: yesAnnales Fac. Sci. Toulouse, V XIII, Fasc. 4, pp.539--549 (2004), 2006
We discuss the notions of resurgence, formalizability, and formation of singularities in the context of partial differential equations. The results show that Ecalle's how analyzability theory extends naturally to PDEs.
arxiv  

Quasi-invariant gaussian measures for one dimensional Hamiltonian PDE's [PDF]

open access: yesarXiv, 2015
We prove the quasi-invariance of gaussian measures (supported by functions of increasing Sobolev regularity) under the flow of one dimensional Hamiltonian PDE's such as the regularized long wave (BBM) equation.
arxiv  

Very Singular Similarity Solutions and Hermitian Spectral Theory for Semilinear Odd-Order PDEs [PDF]

open access: yesarXiv, 2009
Very singular self-similar solutions of semilinear odd-order PDEs are studied on the basis of a Hermitian-type spectral theory for linear rescaled odd-order operators.
arxiv  

On a perturbation method for stochastic parabolic PDE [PDF]

open access: yesarXiv, 2013
In the article we address two issues related to the perturbation method introduced by Zhang and Lu, and applied to solving linear stochastic parabolic PDE. Those issues are: the construction of the perturbation series, and its convergence.
arxiv  

Some remarks on monogenity [PDF]

open access: yesarXiv
We discuss representations of monogenic functions over very regular groups.
arxiv  

Stable solutions of symmetric systems involving hypoelliptic operators [PDF]

open access: yesarXiv, 2018
Please see the article for the abstract.
arxiv  

Applications of microlocal analysis to inverse problems [PDF]

open access: yesarXiv, 2019
These are lecture notes for a minicourse on applications of microlocal analysis in inverse problems, given in Helsinki and Shanghai in June 2019.
arxiv  

Infinitesimal symmetry transformations of matrix-valued differential equations: An algebraic approach

open access: yes, 2018
The study of symmetries of partial differential equations (PDEs) has been traditionally treated as a geometrical problem. Although geometrical methods have been proven effective with regard to finding infinitesimal symmetry transformations, they present ...
Papachristou, C. J.
core  

Low regularity conservation laws for integrable PDE [PDF]

open access: yesarXiv, 2017
We present a general method for obtaining conservation laws for integrable PDE at negative regularity and exhibit its application to KdV, NLS, and mKdV. Our method works uniformly for these problems posed both on the line and on the circle.
arxiv  

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