The Functional Analytic Part: Scales of Hilbert Spaces and Boundary Triples

  • Olaf PostEmail author
Part of the Lecture Notes in Mathematics book series (LNM, volume 2039)


In this chapter, we present the necessary quantitative analysis for a single operator in a Hilbert space. Basically, we introduce the natural scale of Hilbert spaces associated with a non-negative operator (Sect. 3.2) and to general closed operators (Sect. 3.3). We need quantitative norm estimates on the resolvent and other functions of such closed operator as well as norm bounds on related embeddings especially when dealing with families of operators in Chap. 4. The closed operators we are dealing here with, are more general than sectorial operators.


Hilbert Space Quadratic Form Elliptic Boundary Quantum Graph Couple Boundary 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.Department of Mathematical Sciences Science LaboratoriesDurham UniversityDurhamUK

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