Liu, Weijiu; Williams, Graham H. Exact controllability for problems of transmission of the plate equation with lower-order terms. (English) Zbl 1033.93007 Q. Appl. Math. 58, No. 1, 37-68 (2000). MSC: 93B05 74K20 74M05 PDFBibTeX XMLCite \textit{W. Liu} and \textit{G. H. Williams}, Q. Appl. Math. 58, No. 1, 37--68 (2000; Zbl 1033.93007) Full Text: DOI
Liu, Weijiu; Williams, Graham H. Exact Neumann boundary controllability for problems of transmission of the wave equation. (English) Zbl 0939.93004 Glasg. Math. J. 41, No. 1, 125-139 (1999). Reviewer: T.Nambu (Kobe) MSC: 93B05 93C20 35L20 PDFBibTeX XMLCite \textit{W. Liu} and \textit{G. H. Williams}, Glasg. Math. J. 41, No. 1, 125--139 (1999; Zbl 0939.93004) Full Text: DOI
Liu, Weijiu; Williams, Graham The exponential stability of the problem of transmission of the wave equation. (English) Zbl 0914.35074 Bull. Aust. Math. Soc. 57, No. 2, 305-327 (1998). Reviewer: R.Picard (Dresden) MSC: 35L20 35B35 PDFBibTeX XMLCite \textit{W. Liu} and \textit{G. Williams}, Bull. Aust. Math. Soc. 57, No. 2, 305--327 (1998; Zbl 0914.35074) Full Text: DOI
Liu, Wei-Jiu; Williams, Graham H. Partial exact controllability for the linear thermo-viscoelastic model. (English) Zbl 0907.93010 Electron. J. Differ. Equ. 1998, Paper No. 17, 11 p. (1998). Reviewer: H.O.Fattorini (Los Angeles) MSC: 93B05 35B37 93C20 PDFBibTeX XMLCite \textit{W.-J. Liu} and \textit{G. H. Williams}, Electron. J. Differ. Equ. 1998, Paper No. 17, 11 p. (1998; Zbl 0907.93010) Full Text: EuDML EMIS
Liu, Weijiu; Williams, Graham H. Exact Neumann boundary controllability for second order hyperbolic equations. (English) Zbl 0896.93004 Colloq. Math. 76, No. 1, 117-142 (1998). Reviewer: M.Ivanovici (Craiova) MSC: 93B05 35B37 35L20 PDFBibTeX XMLCite \textit{W. Liu} and \textit{G. H. Williams}, Colloq. Math. 76, No. 1, 117--142 (1998; Zbl 0896.93004) Full Text: DOI EuDML
Liu, Weijiu; Williams, Graham H. Exact internal controllability for the semilinear heat equation. (English) Zbl 0889.93030 J. Math. Anal. Appl. 211, No. 1, 258-272 (1997). Reviewer: T.Nambu (Kobe) MSC: 93C20 93B05 35K20 PDFBibTeX XMLCite \textit{W. Liu} and \textit{G. H. Williams}, J. Math. Anal. Appl. 211, No. 1, 258--272 (1997; Zbl 0889.93030) Full Text: DOI Link