Weak Bezout inequality for D-modules

Dima Grigoriev

Let $\{w_{i,j}{\}}_{1\le i\le n,1\le j\le s}\subset L_m=F(X_1,...,X_m)[\frac{\partial }{\partial X_1},...,\frac{\partial }{\partial X_m}]$ be linear partial differential operato…