Vol. 58, No. 1, 2001 · Contents

Sorin Micu and Enrique Zuazua:
On the Lack of Null-Controllability of the Heat Equation on the Half Space

V. Girault and J.-L. Lions:
Two-Grid Finite-Element Schemes for The Steady Navier--Stokes Problem in Polyhedra

A.H. Fan and J.P. Kahane:
How Many Intervals Cover A Point in Random Dyadic Covering?

P. Goatin and P.G. LeFloch:
Sharp $L^1$ Stability Estimates for Hyperbolic Conservation Laws

Francesco Ranzato:
A Counterexample to A Result Concerning Closure Operators