Polynomial decay for a hyperbolic–parabolic coupled system☆☆The work is supported by the US National Science Foundation grant NSF-DMS-0104096, the Grant BFM2002-03345 of the Spanish MCYT, the FANEDD of China (Project No. 200119), the EU TMR Projects “Homogenization and Multiple Scales” and “Smart Systems”, the NSF of China under grant 10371084, and the Project-sponsored by SRF for ROCS, SEM of China. The first and last authors would like to thank the Laboratoire J.-A. Dieudonné at the … | Publicación