| Publication | Date of Publication | Type |
|---|
| Regular elements and Green's relations in generalised linear transformation semigroups. | 2014-11-03 | Paper |
| Embedding theorems for semigroups of generalized linear transformations. | 2013-06-20 | Paper |
| REGULAR ELEMENTS AND GREEN'S RELATIONS IN GENERALIZED TRANSFORMATION SEMIGROUPS | 2013-06-11 | Paper |
| BQ-Semigroups of Generalised Linear Transformations | 2013-05-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2915597 | 2012-09-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2915598 | 2012-09-18 | Paper |
| Almost Injective Transformations of an Infinite Set | 2012-04-03 | Paper |
| INJECTIVE PARTIAL TRANSFORMATIONS WITH INFINITE DEFECTS | 2012-03-13 | Paper |
| THE IDEAL STRUCTURE OF SEMIGROUPS OF TRANSFORMATIONS WITH RESTRICTED RANGE | 2011-04-28 | Paper |
| Semigroups of transformations restricted by an equivalence. | 2011-03-15 | Paper |
| Skew idempotents in linear transformation semigroups | 2010-06-02 | Paper |
| PARTIAL ORDERS ON PARTIAL BAER–LEVI SEMIGROUPS | 2010-04-22 | Paper |
| The Ideal Structure of Semigroups of Linear Transformations with Lower Bounds on Their Nullity or Defect | 2010-01-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3653816 | 2009-12-29 | Paper |
| Maximal and minimal congruences on some semigroups. | 2009-11-11 | Paper |
| The Ideal Structure of Semigroups of Linear Transformations with Upper Bounds on Their Nullity or Defect | 2009-08-24 | Paper |
| Congruences on Nilpotent-generated Partial Transformation Semigroups | 2009-06-23 | Paper |
| INJECTIVE TRANSFORMATIONS WITH EQUAL GAP AND DEFECT | 2009-04-30 | Paper |
| SEMIGROUPS OF LINEAR TRANSFORMATIONS WITH RESTRICTED RANGE | 2008-10-24 | Paper |
| Products of nilpotent matrices | 2008-05-23 | Paper |
| Maximal Congruences on Some Semigroups | 2007-07-13 | Paper |
| Congruences on semigroups generated by injective nilpotent transformations | 2007-01-30 | Paper |
| Factorisable Semigroups of Linear Transformations | 2006-05-10 | Paper |
| Maximal Inverse Subsemigroups of the Symmetric Inverse Semigroup on a Finite-Dimensional Vector Space | 2006-04-19 | Paper |
| Factorisable Semigroups of Generalized Transformations | 2005-11-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3025137 | 2005-07-12 | Paper |
| Partial orders on linear transformation semigroups | 2005-06-09 | Paper |
| Inverse semigroups generated by linear transformations | 2005-05-23 | Paper |
| Regularity conditions on order-preserving transformation semigroups. | 2005-03-21 | Paper |
| Baer–Levi semigroups of linear transformations | 2004-10-05 | Paper |
| Products of three idempotent transformations | 2004-06-22 | Paper |
| Baer-Levi semigroups of partial transformations | 2004-06-22 | Paper |
| Partial orders on transformation semigroups. | 2003-12-16 | Paper |
| Locally factorisable transformation semigroups | 2002-05-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2709048 | 2002-04-02 | Paper |
| The congruences on the semigroup of balanced transformations of an infinite set | 2001-08-27 | Paper |
| The ideal structure of nilpotent-generated transformation semigroups | 2000-06-04 | Paper |
| Nilpotents in semigroups of partial transformations | 1998-03-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4872064 | 1996-04-11 | Paper |
| Nilpotents and congruences on semigroups of transformations with fixed rank | 1995-12-14 | Paper |
| Congruences on Transformation Semigroups with Fixed Rank | 1995-10-15 | Paper |
| Products of nilpotent linear transformations | 1995-10-04 | Paper |
| The Congruences on a Transformation Semigroup Determined by a Regular Cardinal | 1995-08-24 | Paper |
| Semigroups generated by nilpotent transformations | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4725330 | 1987-01-01 | Paper |
| Monomorphisms of transformation semigroups | 1985-01-01 | Paper |
| The ideal structure of idempotent-generated transformation semigroups | 1985-01-01 | Paper |
| Half-automorphisms of transformation semigroups | 1985-01-01 | Paper |
| Products of idempotent linear transformations | 1985-01-01 | Paper |
| Completely zero-simple semigroups generated by nilpotent elements | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3322304 | 1983-01-01 | Paper |
| Automorphisms of Baer-Levi Semigroups | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3904781 | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4744478 | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4150466 | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4173515 | 1978-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4183500 | 1978-01-01 | Paper |
| Research problem. No. 23 | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3323957 | 1975-01-01 | Paper |
| Automorphisms of transformation semigroups | 1975-01-01 | Paper |
| Generalised partial transformation semigroups | 1975-01-01 | Paper |
| Semigroups in rings | 1975-01-01 | Paper |
| Closure operators | 1975-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4138883 | 1975-01-01 | Paper |