| Publication | Date of Publication | Type |
|---|
| https://portal.mardi4nfdi.de/entity/Q5055093 | 2022-12-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5026401 | 2022-02-08 | Paper |
| USCO and quasicontinuous mappings | 2021-12-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5208221 | 2020-01-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5204161 | 2019-12-09 | Paper |
| DUAL DIFFERENTIATION SPACES | 2019-06-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4581771 | 2018-08-21 | Paper |
| Nearly Chebyshev sets are almost convex | 2018-04-18 | Paper |
| On a certain generalization of \(W\)-spaces | 2017-10-24 | Paper |
| Some Baire semitopological groups that are topological groups | 2017-09-21 | Paper |
| Weak compactness of sublevel sets | 2017-06-22 | Paper |
| James' weak compactness theorem: an exposition | 2017-05-17 | Paper |
| AN ELEMENTARY PROOF OF JAMES’ CHARACTERISATION OF WEAK COMPACTNESS. II | 2017-05-16 | Paper |
| On a one-sided James' theorem | 2017-01-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2829917 | 2016-11-08 | Paper |
| Fragmentable mappings and CHART groups | 2016-07-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2800604 | 2016-04-15 | Paper |
| FRAGMENTABILITY BY THE DISCRETE METRIC | 2015-04-14 | Paper |
| CHEBYSHEV SETS | 2015-03-27 | Paper |
| Eberlein theorem and norm continuity of pointwise continuous mappings into function spaces | 2014-05-05 | Paper |
| Any semitopological group that is homeomorphic to a product of Čech-complete spaces is a topological group | 2014-02-25 | Paper |
| Semitopological groups, Bouziad spaces and topological groups | 2014-01-15 | Paper |
| Furstenberg’s structure theorem via CHART groups | 2013-06-18 | Paper |
| A note on Fort's theorem | 2013-02-19 | Paper |
| Wijsman hyperspaces: Subspaces and embeddings | 2012-04-10 | Paper |
| Fragmentability of groups and metric-valued function spaces | 2011-12-06 | Paper |
| AN ELEMENTARY PROOF OF JAMES’ CHARACTERIZATION OF WEAK COMPACTNESS | 2011-07-22 | Paper |
| Order matters when choosing sets | 2011-05-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3585456 | 2010-08-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5852055 | 2010-01-26 | Paper |
| On the topology of pointwise convergence on the boundaries of 𝐿₁-preduals | 2009-04-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5506028 | 2009-01-28 | Paper |
| Separable subspaces of affine function spaces on convex compact sets | 2008-06-24 | Paper |
| Separate continuity, joint continuity, the Lindelöf property and \(p\)-spaces | 2007-02-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3413618 | 2006-12-13 | Paper |
| Norm continuity of weakly continuous mappings into Banach spaces | 2006-09-13 | Paper |
| Quasicontinuous selections of upper continuous set-valued mappings | 2006-07-26 | Paper |
| Some more recent results concerning weak Asplund spaces | 2006-06-30 | Paper |
| A Gâteaux differentiability space that is not weak Asplund | 2006-05-17 | Paper |
| The product of a Baire space with a hereditarily Baire metric space is Baire | 2006-03-27 | Paper |
| Separate continuity, joint continuity and the Lindelöf property | 2006-02-17 | Paper |
| A dual differentiation space without an equivalent locally uniformly rotund norm | 2005-03-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4822762 | 2004-10-25 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4471203 | 2004-06-18 | Paper |
| Usco selections of densely defined set-valued mappings | 2004-01-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3147031 | 2003-04-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4531591 | 2002-11-17 | Paper |
| A weakly Stegall space that is not a Stegall space | 2002-10-28 | Paper |
| Topological properties defined by games and their applications | 2002-09-17 | Paper |
| Sigma-fragmentable spaces that are not countable unions of fragmentable subspaces | 2002-06-24 | Paper |
| Topological games and topological groups | 2001-12-12 | Paper |
| A weak Asplund space whose dual is not weak$^*$ fragmentable | 2001-10-21 | Paper |
| Generalized subdifferentials: a Baire categorical approach | 2001-07-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2720941 | 2001-07-01 | Paper |
| Continuity points of quasi-continuous mappings. | 2001-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4942472 | 2000-11-07 | Paper |
| Fragmentability and Sigma-Fragmentability of Banach Spaces | 2000-06-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4947417 | 2000-04-25 | Paper |
| Subgradient representation of multifunctions | 2000-02-14 | Paper |
| A characterisation of weak compactness in Banach spaces | 2000-01-11 | Paper |
| Separable determination of integrability and minimality of the Clarke subdifferential mapping | 1999-11-01 | Paper |
| On the Choquet-Dolecki theorem | 1999-10-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4380505 | 1999-05-26 | Paper |
| Essentially smooth Lipschitz functions | 1998-09-27 | Paper |
| Lipschitz functions with prescribed derivatives and subderivatives | 1998-08-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4336049 | 1998-07-20 | Paper |
| A Chain Rule for Essentially Smooth Lipschitz Functions | 1998-05-12 | Paper |
| Null Sets and Essentially Smooth Lipschitz Functions | 1998-05-12 | Paper |
| On a Banach space without a weak mid-point locally uniformly rotund norm | 1998-01-26 | Paper |
| Norm attaining functionals on 𝐶(𝑇) | 1997-12-16 | Paper |
| Essentially Smooth Lipschitz Functions: Compositions and Chain Rules | 1997-06-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4867400 | 1996-12-11 | Paper |
| Generic continuity of restricted weak upper semi-continuous set-valued mappings | 1996-12-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4283259 | 1996-11-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4283264 | 1996-09-16 | Paper |
| Generic differentiability of convex functions on the dual of a Banach space | 1996-08-29 | Paper |
| A selection theorem for weak upper semi-continuous set-valued mappings | 1996-06-13 | Paper |
| A characterisation of minimal subdifferential mappings of locally Lipschitz functions | 1996-05-09 | Paper |
| A continuity property related to Kuratowski's index of non-compactness, its relevance to the drop property, and its implications for differentiability theory | 1995-12-17 | Paper |
| The relationship between Goldstine's theorem and the convex point of continuity property | 1995-03-19 | Paper |
| On a weak* drop property | 1995-02-21 | Paper |
| The implications for differentiability of a weak index of non-compactness | 1993-12-09 | Paper |
| Continuity conditions defined by indices of non-compactness and applications to differentiability theory | 1993-08-23 | Paper |
| A continuity property related to an index of non-separability and its applications | 1992-06-28 | Paper |