Stability of time-dependent Navier-Stokes flow and algebraic energy decay Toshiaki HishidaMaria Schonbek Indiana University Mathematics Journal 2016 text pdf 10.1512/iumj.2016.65.5843 10.1512/iumj.2016.65.5843 en Indiana Univ. Math. J. 65 (2016) 1307 - 1346 state-of-the-art mathematics http://iumj.org/access/