@Article{JPDE-17-97,
author = {Changxing Miao , Bo Zhang  and Daoyuan Fang },
title = {Global Well-posedness for the Klein-Gordon Equation Below the Energy Norm},
journal = {Journal of Partial Differential Equations},
year = {2004},
volume = {17},
number = {2},
pages = {97--121},
abstract = { We study global well-posedness below the energy norm of the Cauchy problem for the Klein-Gordon equation in R^n with n ≥ 3. By means of Bourgain's method along with the endpoint Strichartz estimates of Keel and Tao, we prove the H^s-global well-posedness with s < 1 of the Cauchy problem for the Klein-Gordon equation. This we do by establishing a series of nonlinear a priori estimates in the setting of Besov spaces.},
issn = {2079-732X},
doi = {https://doi.org/},
url = {http://global-sci.org/intro/article_detail/jpde/5380.html}
}