On Linear Homogeneous Biwave Equations

On Linear Homogeneous Biwave Equations

Year:    2024

Author:    Yaqian Bai

Journal of Partial Differential Equations, Vol. 37 (2024), Iss. 1 : pp. 59–87

Abstract

The biwave maps are a class of fourth order hyperbolic equations. In this paper, we are interested in the solution formulas of the linear homogeneous biwave equations. Based on the solution formulas and the weighted energy estimate, we can obtain the $L^\infty(\mathbb R^n)-W^{N,1}(\mathbb R^n)$ and $L^\infty(\mathbb R^n)-W^{N,2}(\mathbb R^n)$ estimates, respectively. By our results, we find that the biwave maps enjoy some different properties compared with the standard wave equations.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/jpde.v37.n1.4

Journal of Partial Differential Equations, Vol. 37 (2024), Iss. 1 : pp. 59–87

Published online:    2024-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    29

Keywords:    Biwave maps Duhamel’s principle Fourier transform Cauchy peoblem deacy estimate.

Author Details

Yaqian Bai

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