Heinz Langer
Mathematical Physics · 2000–2010
A researcher in the Science corpus: 5 papers; trusts 5 researchers and is trusted by 5 researchers here, as inferred from the citation graph.
Subfields
- Mathematical Physics — 6 citations into it; #4,396 of 8,562 by trust here, #4,247 by citations
Whom Heinz Langer trusts overall
Their strongest outbound trust, strongest first, inferred from their citations.
Who trusts Heinz Langer overall
Papers from Heinz Langer's perspective
Ordered by how strongly the researchers Heinz Langer trusts endorse each paper. Same corpus, a different order for every researcher.
- Self-adjoint Operators with Inner Singularities and Pontryagin Spaces
- Singular Point-like Perturbations of the Bessel Operator in a Pontryagin Space
- Titchmarsh–Weyl m ‐functions for second‐order Sturm–Liouville problems with two singular endpoints
- On spectral theory for Schrödinger operators with strongly singular potentials
- The Bessel differential equation and the Hankel transform
- An Operator Theoretic Interpretation of the Generalized Titchmarsh-Weyl Coefficient for a Singular Sturm-Liouville Problem
- A Catalogue of Sturm-Liouville Differential Equations
- A Semigroup Approach to Boundary Feedback Systems
- Semigroups and Linear Partial Differential Equations with Delay
- Handbook of Mathematical Functions With Formulas, Graphs and Mathematical Tables (National Bureau of Standards Applied Mathematics Series No. 55)
Their papers
- Self-adjoint Operators with Inner Singularities and Pontryagin Spaces (2000) — 52 citations
- Sturm-Liouville Operators with Singularities and Generalized Nevanlinna Functions (2010) — 74 citations
- A Krein Space Approach to PT-symmetry (2004) — 137 citations
- Existence and Uniqueness of Contractive Solutions of Some Riccati Equations (2001) — 51 citations
- A new concept for block operator matrices:the quadratic numerical range (2001) — 65 citations