195 citations · 311 across the 11 of their papers we have counts for
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math-ph2006★ 195 cited
Spectra of self-adjoint extensions and applications to solvable Schroedinger operators
Jochen Bruening, Vladimir Geyler, Konstantin Pankrashkin
We give a self-contained presentation of the theory of self-adjoint extensions using the technique of boundary triples. A description of the spectra of self-adjoint extensions in t…
math-ph2006★ 21 cited
Invariants of Lie Algebras with Fixed Structure of Nilradicals
Vyacheslav Boyko, Jiri Patera, Roman Popovych
An algebraic algorithm is developed for computation of invariants ('generalized Casimir operators') of general Lie algebras over the real or complex number field. Its main tools ar…