TY - JOUR ID - Behrndt2008 LB - Behrndt2008 AU - Behrndt, Jussi AU - Hassi, Seppo AU - de Snoo, Henk TI - Functional models for Nevanlinna families ST - Functional models for Nevanlinna families JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2008 VL - 28 IS - 3 SP - 233 EP - 245 DO - http://dx.doi.org/10.7494/OpMath.2008.28.3.233 UR - http://dx.doi.org/10.7494/OpMath.2008.28.3.233 AB - The class of Nevanlinna families consists of \(\mathbb{R}\)-symmetric holomorphic multivalued functions on \(\mathbb{C} \setminus \mathbb{R}\) with maximal dissipative (maximal accumulative) values on \(\mathbb{C}_{+}\) (\(\mathbb{C}_{-}\), respectively) and is a generalization of the class of operator-valued Nevanlinna functions. In this note Nevanlinna families are realized as Weyl families of boundary relations induced by multiplication operators with the independent variable in reproducing kernel Hilbert spaces. KW - symmetric operator KW - selfadjoint extension KW - boundary relation KW - Weyl family KW - functional model KW - reproducing kernel Hilbert space SN - 1232-9274 ER -