| Publication | Date of Publication | Type |
|---|
| The supporting role of the Mangasarian-Fromovitz constraint qualification in calculus of variations | 2022-07-15 | Paper |
| Uniqueness of multipliers in optimal control: the missing piece | 2021-11-05 | Paper |
| Normality, controllability and properness in optimal control | 2021-11-02 | Paper |
| Essential boundedness and singularity in optimal control | 2021-03-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5856376 | 2021-03-25 | Paper |
| The broken link between normality and regularity in the calculus of variations | 2019-02-27 | Paper |
| Normality and uniqueness of Lagrange multipliers | 2018-08-16 | Paper |
| The importance of being normal, regular and proper in the calculus of variations | 2017-05-22 | Paper |
| Necessity for isoperimetric inequality constraints | 2017-05-05 | Paper |
| Sufficiency and singularity in optimal control | 2013-10-23 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5200433 | 2012-11-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3097037 | 2011-11-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2785970 | 2010-09-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3569618 | 2010-06-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3628113 | 2009-05-19 | Paper |
| Necessary Conditions for Constrained Problems under Mangasarian–Fromowitz Conditions | 2009-03-10 | Paper |
| Conjugate journey in optimal control | 2009-02-03 | Paper |
| A new derivation of second-order conditions for equality control constraints | 2009-01-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3505842 | 2008-06-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3595508 | 2007-08-28 | Paper |
| Three improved notions of conjugate points in optimal control | 2007-08-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5296439 | 2007-08-01 | Paper |
| Mixed constraints in optimal control: an implicit function theorem approach | 2007-07-23 | Paper |
| A direct approach to second order conditions for mixed equality constraints | 2007-06-29 | Paper |
| Conjugacy for normal or abnormal linear Bolza problems | 2006-05-16 | Paper |
| A new sufficiency theorem for strong minima in the calculus of variations | 2006-01-24 | Paper |
| A characterization of relaxed controls with commensurate delays | 2005-09-27 | Paper |
| A Sturm-Liouville approach applicable to different notions of conjugacy. | 2005-02-25 | Paper |
| A new notion of conjugacy for isoperimetric problems | 2005-02-21 | Paper |
| Extended conjugate points in the calculus of variations | 2004-10-25 | Paper |
| Strengthening Weierstrass' condition | 2004-09-27 | Paper |
| Conjugate intervals for the linear fixed-endpoint control problem | 2003-10-29 | Paper |
| Twice periodic measurable functions | 2003-07-09 | Paper |
| Jacobi's condition for singular extremals: An extended notion of conjugate points | 2003-03-10 | Paper |
| Certain classes of properly relaxed delayed controls | 2002-02-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4260877 | 2001-10-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4260879 | 2001-10-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2721274 | 2001-07-01 | Paper |
| A representation of properly relaxed controls with two delays | 2001-04-09 | Paper |
| The Solution to the Conjecture on Properness of Weakly Relaxed Delayed Controls | 2000-10-18 | Paper |
| Two crucial examples related to properness of weakly relaxed delayed controls | 2000-10-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4260880 | 2000-05-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4260878 | 1999-09-01 | Paper |
| Variational conditions and conjugate points for the fixed-endpoint control problem | 1999-06-28 | Paper |
| Is the weak relaxation procedure proper for noncommensurately delayed controls? | 1997-09-10 | Paper |
| On the characterization of properly relaxed delayed controls | 1997-07-06 | Paper |
| Constant relaxed controls with noncommensurate delays | 1996-12-17 | Paper |
| Measurability of Unions of Certain Dense Sets | 1996-11-03 | Paper |
| Approximation of strongly relaxed minimizers with ordinary delayed controls | 1996-01-18 | Paper |
| Relaxation of delayed controls: a review | 1995-12-20 | Paper |
| Infinite time problems with shifted and delayed controls | 1995-07-18 | Paper |
| Minimizing approximate original solutions for commensurate delayed controls | 1995-03-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4308915 | 1994-10-12 | Paper |
| Proper relaxation of optimal control problems | 1994-04-27 | Paper |
| Strongly and Weakly Relaxed Controls for Time Delay Systems | 1992-09-27 | Paper |
| Relaxation procedures for time delay systems | 1992-09-26 | Paper |
| Systems with Time Delay in the Calculus of Variations: A Variational Approach | 1988-01-01 | Paper |
| Systems with Time Delay in the Calculus of Variations: The Method of Steps | 1988-01-01 | Paper |
| Conditions for generic normality in optimal control | 1987-01-01 | Paper |
