| Publication | Date of Publication | Type |
|---|
| Some completely semisimple HNN-extensions of inverse semigroups | 2020-03-25 | Paper |
| Inverse semigroups with apartness | 2019-05-23 | Paper |
| Composing short 3-compressing words on a 2 letter alphabet | 2018-11-30 | Paper |
| Recognizing 3-collapsing words over a binary alphabet | 2016-05-27 | Paper |
| Decidability Versus Undecidability of the Word Problem in Amalgams of Inverse Semigroups | 2015-11-05 | Paper |
| Maximal subgroups of amalgams of finite inverse semigroups. | 2015-06-25 | Paper |
| Expressiveness and complexity of regular pure two-dimensional context-free languages | 2013-10-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2847779 | 2013-09-11 | Paper |
| Amalgams of finite inverse semigroups and deterministic context-free languages. | 2012-11-08 | Paper |
| Amalgams vs Yamamura's HNN-Extensions of Inverse Semigroups | 2011-10-25 | Paper |
| A unifying approach to picture grammars | 2011-10-10 | Paper |
| Short 3-Collapsing Words over a 2-Letter Alphabet | 2011-07-29 | Paper |
| On Some Classes of 2D Languages and Their Relations | 2011-05-27 | Paper |
| MULTILINEAR EQUATIONS IN AMALGAMS OF FINITE INVERSE SEMIGROUPS | 2011-05-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3575443 | 2010-07-27 | Paper |
| Deterministic parsing for augmented context-free grammars | 2010-06-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5306172 | 2010-04-08 | Paper |
| Picture Languages: From Wang Tiles to 2D Grammars | 2009-11-05 | Paper |
| Collapsing words, permutation conditions and coherent colorings of trees | 2009-05-28 | Paper |
| Regional Languages and Tiling: A Unifying Approach to Picture Grammars | 2009-02-03 | Paper |
| Decidability of the word problem in Yamamura's HNN extensions of finite inverse semigroups. | 2008-12-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5387718 | 2008-05-27 | Paper |
| On the decidability of the word problem for amalgamated free products of inverse semigroups. | 2008-04-09 | Paper |
| A Combinatorial Approach to Collapsing Words | 2007-09-05 | Paper |
| GENERALIZING T-CONORMS TO FACE SATURATION IN MAMDANI FUZZY INFERENCE SYSTEMS | 2007-05-23 | Paper |
| Theoretical Computer Science | 2006-11-01 | Paper |
| Picture languages: tiling systems versus tile rewriting grammars. | 2006-05-18 | Paper |
| On the Generalized Linear Equivalence of Functions Over Finite Fields | 2005-08-12 | Paper |
| Amalgams of finite inverse semigroups. | 2005-04-18 | Paper |
| Rank and Status in Semigroup Theory | 2005-01-21 | Paper |
| \(\theta\)-modularity and the relation \(K\) on Bruck-Reilly regular extensions of monoids. | 2004-05-27 | Paper |
| Image reducing words and subgroups of free groups. | 2004-03-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4448364 | 2004-02-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4412118 | 2003-07-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4508458 | 2002-08-06 | Paper |
| Associative language descriptions | 2002-03-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2770668 | 2002-02-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4527147 | 2001-11-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2755040 | 2001-11-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4495679 | 2001-03-21 | Paper |
| Tree adjoining languages and multipushdown languages | 2000-12-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4503953 | 2000-09-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4227120 | 1999-10-25 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3365315 | 1999-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4421597 | 1999-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4391150 | 1998-08-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4347950 | 1997-11-24 | Paper |
| Amalgams of free inverse semigroups. | 1997-10-14 | Paper |
| MULTI-PUSH-DOWN LANGUAGES AND GRAMMARS | 1997-01-22 | Paper |
| A polynomial-time parsing algorithm for \(K\)-depth languages | 1996-07-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4840259 | 1995-08-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4311853 | 1995-07-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4316185 | 1995-01-31 | Paper |
| Characterizations of Linear Congruences on a Free Monoid | 1993-01-01 | Paper |
| QRT FIFO automata, breadth-first grammars and their relations | 1992-06-28 | Paper |
| Semimodularity of the congruence lattice on regular \(\omega\)-semigroups | 1990-01-01 | Paper |
| Modularity of the lattice of congruences of a regular ω-semigroup | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3351609 | 1990-01-01 | Paper |
| BREADTH AND DEPTH GRAMMARS AND DEQUE AUTOMATA | 1990-01-01 | Paper |
| The Least Commutative Congruence on a simple regular ω-semigroup | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3798272 | 1988-01-01 | Paper |
| On $E_k$-rings | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3831207 | 1988-01-01 | Paper |
| On \(E_ k\)-semigroups | 1987-01-01 | Paper |
| The inverse hull of right cancellative semigroups | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3720826 | 1986-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3684257 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3770722 | 1985-01-01 | Paper |
| Permutable duo semigroups | 1984-01-01 | Paper |
| Semigroups and rings whose proper one-sided ideals are power joined | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3681040 | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3734722 | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3317264 | 1983-01-01 | Paper |
| Quasi Hamiltonian semigroups | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3731880 | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4742997 | 1982-01-01 | Paper |
| Semigroups whose proper subsemigroups are quasicommutative | 1981-01-01 | Paper |
| On conditionally commutative semigroups | 1981-01-01 | Paper |
| On the exponent semigroup of an E-m semigroup | 1981-01-01 | Paper |
| Quasi commutative semigroups and \(\sigma\)-reflexive semigroups | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3320590 | 1980-01-01 | Paper |
| On Putcha's Q-semigroups | 1979-01-01 | Paper |
| Power cancellative semigroups | 1979-01-01 | Paper |
| Some properties of E-m semigroups | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3889274 | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3921414 | 1979-01-01 | Paper |
| On strongly reversible semigroups | 1978-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3872667 | 1978-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4172233 | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4185050 | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4123532 | 1976-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4128993 | 1976-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4041803 | 1974-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4773871 | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5684718 | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5663923 | 1971-01-01 | Paper |
