| Publication | Date of Publication | Type |
|---|
| Bifurcation in the evolution of certainty in a small decision‐making group by consensus | 2024-04-12 | Paper |
| Localisation of Regularised and Multiview Support Vector Machine Learning | 2023-04-12 | Paper |
| Partially Positive Semidefinite Maps on $*$-Semigroupoids and Linearisations | 2023-02-25 | Paper |
| An Indefinite Excursion in Operator Theory | 2022-05-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5065864 | 2022-03-22 | Paper |
| Probability error bounds for approximation of functions in reproducing kernel Hilbert spaces | 2021-06-04 | Paper |
| Corrigendum to: ``Representations of \(*\)-semigroups associated to invariant kernels with values adjointable operators | 2020-04-21 | Paper |
| A Comparison of Two Generalisations of Triplets of Hilbert Spaces | 2019-11-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5227935 | 2019-08-07 | Paper |
| Invariant weakly positive semidefinite kernels with values in topologically ordered $*$-spaces | 2019-07-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4622766 | 2019-02-14 | Paper |
| The spectral theorem for locally normal operators | 2018-11-09 | Paper |
| Interpolation for completely positive maps: numerical solutions | 2018-10-05 | Paper |
| Notes on (the Birmak-Krein-Vishik theory on) selfadjoint extensions of semibounded symmetric operators | 2018-07-14 | Paper |
| Symmetries versus conservation laws in dynamical quantum systems: a unifying approach through propagation of fixed points | 2018-06-29 | Paper |
| Operator models for Hilbert locally C^∗-modules | 2017-10-06 | Paper |
| Representations of \(*\)-semigroups associated to invariant kernels with values continuously adjointable operators | 2017-04-12 | Paper |
| On the dynamics of a third order Newton's approximation method | 2017-02-09 | Paper |
| On locally Hilbert spaces | 2017-02-09 | Paper |
| Invariant Weakly Positive Semidefinite Kernels with Values in Topologically Ordered $*$-Spaces | 2017-01-17 | Paper |
| On Propagation of Fixed Points of Quantum Operations and Beyond | 2016-11-15 | Paper |
| Reproducing Kernel Kreĭn Spaces | 2016-01-04 | Paper |
| Representations of \(\ast\)-semigroups associated to invariant kernels with values adjointable operators | 2015-09-28 | Paper |
| Operator Models for Hilbert Locally $C^*$-Modules | 2015-07-28 | Paper |
| An interpolation problem for completely positive maps on matrix algebras: solvability and parametrization | 2015-02-20 | Paper |
| Triplets of closely embedded Hilbert spaces | 2015-01-19 | Paper |
| Foreword: Trends in modern complex analysis | 2013-10-10 | Paper |
| Embeddings, operator ranges, and Dirac operators | 2013-10-10 | Paper |
| On two equivalent dilation theorems in VH-spaces | 2013-10-10 | Paper |
| Triplets of closely embedded Dirichlet type spaces on the unit polydisc | 2013-10-10 | Paper |
| A Survey on Reproducing Kernel Krein Spaces | 2013-09-10 | Paper |
| Dilations of some VH-spaces operator valued invariant kernels | 2013-04-15 | Paper |
| Closely embedded Kreĭn spaces and applications to Dirac operators | 2011-02-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3064423 | 2010-12-21 | Paper |
| Closed embeddings of Hilbert spaces | 2010-07-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3652486 | 2009-12-17 | Paper |
| Absolute continuity for operator valued completely positive maps on C∗-algebras | 2009-12-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3645509 | 2009-11-18 | Paper |
| A note on Radon-Nikodým derivatives and similarity for completely bounded maps | 2009-10-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3634920 | 2009-07-03 | Paper |
| Comment on “A note on the infimum problem of Hilbert space effects” [J. Math. Phys. 47, 102103 (2006)] | 2008-12-08 | Paper |
| On the infimum of quantum effects | 2007-05-16 | Paper |
| On L.\ Schwartz's boundedness condition for kernels | 2006-08-14 | Paper |
| On lifting of operators to Hilbert spaces induced by positive selfadjoint operators | 2005-04-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4658092 | 2005-03-15 | Paper |
| Fixed points of quantum operations | 2004-12-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4820695 | 2004-10-15 | Paper |
| Sequential product of quantum effects | 2003-10-29 | Paper |
| Joint similarity and dilations for noncontractive sequences of operators. | 2003-04-09 | Paper |
| Bounded characteristic functions and models for noncontractive sequences of operators. | 2003-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4550540 | 2002-08-25 | Paper |
| Representations of Hermitian kernels by means of Krein spaces. II. Invariant kernels | 2001-08-09 | Paper |
| A note on the existence, uniqueness and symmetry of par-balanced realizations | 2001-06-28 | Paper |
| On singular critical points of positive operators in Krein spaces | 2000-07-10 | Paper |
| The Schur algorithm and coefficient characterizations for generalized Schur functions | 2000-07-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4945147 | 2000-03-23 | Paper |
| Invariant Hermitian kernels and their Kolmogorov decompositions | 2000-01-01 | Paper |
| Completely J -positive linear systems of finite order | 1999-11-23 | Paper |
| A trace formula for Hankel operators | 1999-05-19 | Paper |
| On the Carathéodory type problem of M.G. Kren and H. Langer | 1999-04-11 | Paper |
| Representations of hermitian kernels by means of Kreĭn spaces | 1999-01-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4380661 | 1998-03-17 | Paper |
| Hermitian kernels with bounded structure | 1998-02-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4363038 | 1997-11-13 | Paper |
| Index formulae for subspaces of Krein spaces | 1996-08-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4869259 | 1996-06-23 | Paper |
| Contractive intertwining dilations of quasi-contractions | 1996-03-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4840500 | 1996-02-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4284367 | 1995-03-30 | Paper |
| On the Indefinite Trigonometric Moment Problem of I. S. Iohvidov and M. G. Kreîn | 1995-03-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4299839 | 1995-02-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4296589 | 1995-01-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4301745 | 1994-08-14 | Paper |
| Extending chains of factorizations and minimal negative signatures | 1994-04-12 | Paper |
| The negative signature of some Hermitian matrices | 1993-05-16 | Paper |
| One-step completions of Hermitian partial matrices with minimal negative signature | 1992-09-27 | Paper |
| Minimal signature in lifting of operators. II | 1992-08-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3361437 | 1990-01-01 | Paper |
| On invariant maximal non-negative subspaces of certain operators acting in a Krein space | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5201776 | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5201815 | 1989-01-01 | Paper |
| Canonical forms of unbounded unitary operators in Krein spaces | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3198033 | 1988-01-01 | Paper |
| Lifting of operators and prescribed numbers of negative squares | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3759422 | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3759423 | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3218625 | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3344739 | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4741252 | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4751240 | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3958980 | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3338795 | 1980-01-01 | Paper |
