15 Septemner at 12:00 MSK
We provide some versions of the Zaremba-Hopf-Oleinik boundary point lemma for general elliptic and parabolic equations in divergence form under the sharp requirements on the coefficients of equations and on the boundaries of domains.
Professor D.E. Apushkinskaya, RUDN.
Topic: Normal derivative lemma for equations of divergent form.