Event № 618

The Schrödinger operator $-\Delta + V$ in $R^{N}$ has been extensively studied for potentials in $L^{\infty}$ and even $L^{p}$ with any exponent $p > N/2$.Kato's inequality published in the Israel J. Math. in the 1970s was a major breakthrough in spectral problems by allowing one to consider potentials $V$ that are merely $L^{1}$.We present new counterparts of the strong maximum principle and Hopf's boundary lemma for $-\Delta + V$ on domains when $V$ has a singular behaviour.

Abstract in PDF format attached