| Publication | Date of Publication | Type |
|---|
| Cyclic algebras, symbol algebras and gradings on matrices | 2024-03-27 | Paper |
| Picard groups of quasi-Frobenius algebras and a question on Frobenius strongly graded algebras | 2023-09-18 | Paper |
| Graded (quasi-)Frobenius rings | 2023-02-21 | Paper |
| Free objects and coproducts in categories of posets and lattices | 2022-05-31 | Paper |
| Graded Frobenius Rings | 2022-04-15 | Paper |
| On a class of quasi-Frobenius algebras | 2022-02-28 | Paper |
| Structural matrix algebras, generalized flags, and gradings | 2020-10-01 | Paper |
| Hopf algebra actions and transfer of Frobenius and symmetric properties | 2020-06-05 | Paper |
| Classifying good gradings on structural matrix algebras | 2019-10-22 | Paper |
| Graded semisimple algebras are symmetric | 2017-09-21 | Paper |
| Symmetric algebras in categories of corepresentations and smash products | 2016-08-31 | Paper |
| Group Gradings on Polynomial Algebras | 2016-07-27 | Paper |
| Jordan isomorphisms of 2-torsionfree triangular rings | 2016-02-29 | Paper |
| Semiperfect and coreflexive coalgebras. | 2015-09-08 | Paper |
| Frobenius algebras of corepresentations and group-graded vector spaces. | 2014-08-28 | Paper |
| Frobenius structural matrix algebras. | 2014-02-19 | Paper |
| Path subcoalgebras, finiteness properties and quantum groups. | 2013-11-13 | Paper |
| Good Gradings on Upper Block Triangular Matrix Algebras | 2013-10-25 | Paper |
| Doi–Hopf Modules Associated to Comodule Coalgebras | 2013-08-05 | Paper |
| Frobenius algebras of corepresentations: gradings | 2013-07-27 | Paper |
| Quiver algebras, path coalgebras and coreflexivity. | 2013-06-19 | Paper |
| Jordan isomorphisms of generalized structural matrix rings | 2013-03-04 | Paper |
| Isomorphisms between Morita context rings | 2012-07-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3002484 | 2011-05-20 | Paper |
| On the dimension of the space of integrals on coalgebras. | 2011-01-07 | Paper |
| On the dimension of the space of integrals for finite dimensional bialgebras | 2009-12-29 | Paper |
| Coactions on spaces of morphisms. | 2009-09-01 | Paper |
| Strongly Involutory Functors | 2009-07-02 | Paper |
| Group gradings on diagonal algebras. | 2009-01-29 | Paper |
| Group Gradings onM3(k) | 2007-10-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3417141 | 2007-01-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5475947 | 2006-06-28 | Paper |
| On finite quantum groups at \(-1\). | 2005-06-15 | Paper |
| Wide Morita contexts, relative injectivity and equivalence results. | 2005-04-07 | Paper |
| Symmetric coalgebras. | 2004-11-22 | Paper |
| On associative superalgebras of matrices. | 2004-10-01 | Paper |
| HOPF ALGEBRAS OF DIMENSION 14 | 2004-06-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4466638 | 2004-06-08 | Paper |
| Quantum lines over non-cocommutative cosemisimple Hopf algebras. | 2004-03-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4447155 | 2004-02-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4441347 | 2004-01-07 | Paper |
| ON GRADINGS OF MATRIX ALGEBRAS AND DESCENT THEORY | 2003-06-11 | Paper |
| Co-Frobenius Hopf algebras and the coradical filtration | 2003-06-02 | Paper |
| Lifting of Nichols algebras of type \(B_2\). (With an appendix ``A generalization of the \(q\)-binomial theorem with I. Rutherford). | 2003-03-11 | Paper |
| SEMIGROUP GRADINGS OF FULL MATRIX RINGS | 2002-11-18 | Paper |
| INVOLUTORY HOPF ALGEBRAS WITH NON-ZERO INTEGRALS | 2002-10-22 | Paper |
| GRADINGS OF MATRIX ALGEBRAS BY CYCLIC GROUPS | 2002-10-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4541861 | 2002-07-31 | Paper |
| Homological dimension of coalgebras and crossed coproducts | 2002-06-10 | Paper |
| Lifting of Nichols Algebras of Type $B_2$, with an Appendix: A generalization of the q-binomial theorem | 2002-04-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4520725 | 2000-12-13 | Paper |
| A co-Frobenius Hopf algebra with a separable Galois extension is finite | 2000-10-03 | Paper |
| Pointed hopf algebras with large coradical | 2000-09-03 | Paper |
| Classifying pointed hopf algebras of dimension 16 | 2000-08-28 | Paper |
| Constructing pointed Hopf algebras by Ore extensions | 2000-06-07 | Paper |
| Complete blocked triangular matrix rings over a Noetherian ring | 2000-05-07 | Paper |
| Yang-baxter operators arising from (co)algebra structures | 2000-03-02 | Paper |
| Co-Frobenius Hopf algebras: Integrals, Doi-Koppinen modules and injective objects | 2000-02-08 | Paper |
| Group gradings on full matrix rings | 2000-02-01 | Paper |
| On Pointed Hopf Algebras of Dimension 2 n | 1999-11-17 | Paper |
| On pointed Hopf algebras of dimension $p^n$ | 1999-11-17 | Paper |
| Forms of pointed Hopf algebras | 1999-11-14 | Paper |
| Pointed Hopf algebras of dimension \(p^3\) | 1999-07-19 | Paper |
| On the number of types of finite dimensional Hopf algebras | 1999-06-29 | Paper |
| Coalgebra deformations of bialgebras by Harrison cocycles, copairings of Hopf algebras and double crosscoproducts | 1999-04-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4395583 | 1999-01-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4214869 | 1999-01-24 | Paper |
| The categories of Yetter-Drinfel'd modules, Doi-Hopf modules and two-sided two-cosided Hopf modules | 1998-12-15 | Paper |
| Galois extensions for co-Frobenius Hopf algebras | 1998-11-23 | Paper |
| Finiteness conditions, co-Frobenius Hopf algebras, and quantum groups | 1998-10-13 | Paper |
| Some remarks on a theorem of H.-J. Schneider | 1998-07-22 | Paper |
| Modules graded by \(G\)-sets: Duality and finiteness conditions | 1998-01-07 | Paper |
| FBN hopf module algebras | 1997-12-14 | Paper |
| Duality theorems for graded algebras and coalgebras | 1997-08-04 | Paper |
| Comodules graded by g–sets and applications | 1997-04-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4893820 | 1997-03-16 | Paper |
| Categories of modules graded by \(G\)-sets. Applications | 1997-01-29 | Paper |
| Cosemisimple hopf algebras coacting on coalgebras | 1997-01-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4892986 | 1997-01-07 | Paper |
| Crossed coproducts and cleft coextensions | 1996-10-27 | Paper |
| Do isomorphic structural matrix rings have isomorphic graphs? | 1996-10-24 | Paper |
| Gradings of finite support. Application to injective objects | 1996-10-13 | Paper |
| Graded coalgebras and Morita-Takeuchi contexts | 1996-08-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4860554 | 1996-04-10 | Paper |
| Finite Hopf-Galois coextensions, crossed coproducts, and duality | 1996-02-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4309725 | 1995-08-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4304533 | 1995-03-16 | Paper |
| A note on intermediate normalising extensions | 1995-02-26 | Paper |
| Graded t-rings with finite support | 1993-10-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3981980 | 1992-06-26 | Paper |
| Graded T-rings | 1989-01-01 | Paper |
