caa a22 4500 605515557 CHVBK 20210128100710.0 cr unu---uuuuu 210128e20150901xx s 000 0 eng 10.1007/s00205-015-0848-z doi (NATIONALLICENCE)springer-10.1007/s00205-015-0848-z Negative Eigenvalues of Two-Dimensional Schrödinger Operators [Elektronische Daten] [Alexander Grigor'yan, Nikolai Nadirashvili] We prove a certain upper bound for the number of negative eigenvalues of the Schrödinger operator H=−Δ − V in $${\mathbb{R}^{2}.}$$ R 2 . Springer-Verlag Berlin Heidelberg, 2015 Grigor'yan Alexander Fakultät für Mathematik, Universität Bielefeld, Postfach 100131, 33501, Bielefeld, Germany aut Nadirashvili Nikolai CNRS, LATP, Centre de Mathématiques et Informatique, Université Aix-Marseille, 13453, Marseille, France aut Archive for Rational Mechanics and Analysis Springer Berlin Heidelberg 217/3(2015-09-01), 975-1028 0003-9527 217:3<975 2015 217 205 https://doi.org/10.1007/s00205-015-0848-z text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00205-015-0848-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Grigor'yan Alexander Fakultät für Mathematik, Universität Bielefeld, Postfach 100131, 33501, Bielefeld, Germany aut NATIONALLICENCE 700 1- Nadirashvili Nikolai CNRS, LATP, Centre de Mathématiques et Informatique, Université Aix-Marseille, 13453, Marseille, France aut NATIONALLICENCE 773 0- Archive for Rational Mechanics and Analysis Springer Berlin Heidelberg 217/3(2015-09-01), 975-1028 0003-9527 217:3<975 2015 217 205