We characterize the domains of fractional powers of some operator matrices generating analytic semigroups. The results are applied to wave equations with delay and semilinear wave equations.
BÁTKAI, A. and PIAZZERA, S., Damped wave equations with delay, Fields Institute Communications 29 (2001), 51-61. MR 2002b:34123
'Damped wave equations with delay ' () 29 Fields Institute Communications : 51 -61.
BÁTKAI, A. and PIAZZERA, S., A semigroups method for delay equations with relatively bounded operators in the delay term, Semigroup Forum 64 (2002), 71-89. MR 2002i:34138
'A semigroups method for delay equations with relatively bounded operators in the delay term ' () 64 Semigroup Forum : 71 -89.
Batkai, A. and Piazzera, S., Semigroups for Delay Equations in LP-Phase Spaces, book manuscript.
Chen, G. and Triggiani, R., Characterization of domains of fractional powers of certain operators arising in elastic systems, and applications, J. Diff. Eq. 88 (1990), 279-293. MR 91m:47054
'Characterization of domains of fractional powers of certain operators arising in elastic systems, and applications ' () 88 J. Diff. Eq. : 279 -293.
Kato, T., Perturbation Theory for Linear Operators, Springer-Verlag, Grundlehren Math. Wiss. 132 (1980). MR 96a:47025
Perturbation Theory for Linear Operators , ().
Lunardi, A., Analytic Semigroups and Optimal Regularity in Parabolic Problems, Birkhäuser (1995). MR 96e:47039
Analytic Semigroups and Optimal Regularity in Parabolic Problems , ().
Xiao, T. and Liang, J., The Cauchy Problem for Higher Order Abstract Differential Equations, Springer-Verlag, Lecture Notes Math. 1701 (1998). MR 2001a:34099
The Cauchy Problem for Higher Order Abstract Differential Equations , ().
Xiao, T. and Liang, J., Semigroups arising from elastic systems with dissipation, Comput. Math. Appl. 33 (1997), 1-9. MR 98h:47063
'Semigroups arising from elastic systems with dissipation ' () 33 Comput. Math. Appl. : 1 -9.