*MR0200795 Konstantin Pankrashkin, Variational proof of the existence of eigenvalues for star graphs, Functional analysis and operator theory for quantum ***physics**, EMS Ser. Congr. Rep., Eur. Math. Soc., Zürich, 2017, pp. 447–458.

**Author**: Federico Bonetto

**Publisher:** American Mathematical Soc.

**ISBN:** 9781470436810

**Category:** Mathematical physics

**Page:** 338

**View:** 671

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This volume contains the proceedings of the QMATH13: Mathematical Results in Quantum Physics conference, held from October 8–11, 2016, at the Georgia Institute of Technology, Atlanta, Georgia. In recent years, a number of new frontiers have opened in mathematical physics, such as many-body localization and Schrödinger operators on graphs. There has been progress in developing mathematical techniques as well, notably in renormalization group methods and the use of Lieb–Robinson bounds in various quantum models. The aim of this volume is to provide an overview of some of these developments. Topics include random Schrödinger operators, many-body fermionic systems, atomic systems, effective equations, and applications to quantum field theory. A number of articles are devoted to the very active area of Schrödinger operators on graphs and general spectral theory of Schrödinger operators. Some of the articles are expository and can be read by an advanced graduate student.