刊名:Journal of Mathematical Analysis and Applications
出版年:2017
出版时间:1 January 2017
年:2017
卷:445
期:1
页码:394-406
全文大小:353 K
文摘
We study time analyticity for the solutions of the linear Klein–Gordon equation in RN, N≥1 and use it to obtain essentially optimal time boundary controllability in piecewise smooth domains. The initial state has finite energy and the control is square integrable.