Identification of viscosity in an incompressible fluid Horst HeckXian-Jin LiJenn-Nan Wang 35Q3035R30viscosityboundary measurements In this work we prove a global identifiability of the viscosity parameter in an incompressible fluid by boundary measurements. Indiana University Mathematics Journal 2007 text pdf 10.1512/iumj.2007.56.3037 10.1512/iumj.2007.56.3037 en Indiana Univ. Math. J. 56 (2007) 2489 - 2510 state-of-the-art mathematics http://iumj.org/access/