Abstract:
We give a simple proof of a theorem by Dorronsoro and use similar ideas to establish the equivalence of certain embeddings results for vector fields.
Key words and phrases:
Sobolev spaces, Hardy spaces.
Citation:
D. M. Stolyarov, “Dorronsoro's theorem and a slight generalization”, Investigations on linear operators and function theory. Part 43, Zap. Nauchn. Sem. POMI, 434, POMI, St. Petersburg, 2015, 126–135; J. Math. Sci. (N. Y.), 215:5 (2016), 624–630