2 papers
math.AP2026
On chain rule and renormalization
Roman V. Dribas, Nikolay A. Gusev
We discuss the relationship between the chain rule for the divergence operator and the renormalization property for weak solutions of the continuity equation. We construct an examp…
math.AP2025
On the weak Sard property
Roman V. Dribas, Andrew S. Golovnev, Nikolay A. Gusev
If is of class then Sard's theorem implies that has the following relaxed Sard property: the image under of the Lebesgue measure rest…