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publications/talks
2011:- Facetten der Codierungstheorie (talk at the first annual meeting of in Aachen(Germany) 24.2.2011) (pdf)
- q-analogs of combinatorial designs and network codes (talk in Zürich(Switzerland) 20.10.2010) (pdf)
- Construction of Codes for Network Coding (talk at 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010) in Budapest(Hungary) 5.7. - 9.7.2010) (pdf)
- Construction of Codes for Network Coding (joint paper with Andreas-Stephan Elsenhans and Alfred Wassermann) appeared in the proceedings of 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2010) p. 1811-1814 (pdf)
- Algebraisches Internet (talk at 2. Computeralgebra Tag Hannover-Braunschweig in Braunschweig (Germany) 27.5.2010) (pdf)
- Network Codes and q-Analogues of Combinatorial Designs (talk at 5th Workshop on Coding and Systems 2009 in Dublin (Ireland) 2.9.2009) (pdf)
- Refined Bounds for Ring-Linear Codes (joint paper with Eimear Byrne, Marcus Greferath and Vitaly Skachek ) appeared in the proceedings of conference on optimal codes and related topics Varna Bulgaria 2009 (pdf)
- Integral Pointsets over Znm (joint paper with Sascha Kurz) (pdf)Discrete Applied Math. 157 (2009) 2105 - 2117
- Construction of Binary and Ternary Self-Orthogonal Linear Codes (joint paper with Alfred Wassermann) (pdf)Discrete Applied Math. 157 (2009) 2118 - 2123
- Large Constant Dimension Codes (talk at Galois Geometries and Applications 2009 in Ghent (Belgien) 28.5.2009) (pdf)
- Plethysmen von Schur Funktionen (talk at Emmy Noether Seminar in Erlangen 9.1.2009) (pdf)
- Network Codes and Designs over Finite Fields (talk at Kolkom2008 in Magdeburg 14.11.2008) (pdf)
- Construction of linear codes having prescribed primal-dual minimum distance with applications in cryptography proceedings of NATO conference New Challenges in Digital Communications Albanian Journal Math. 2 (2008), 221 - 227 (pdf)
- Construction of Large Constant Dimension Codes With a Prescribed Minimum Distance proceedings of MMICS 2008 LNCS 5393 (2008), 31 - 42 (pdf) talk (pdf)
- Construction of codes for cryptographic purposes using groups of automorphisms (talk at NATO conference New Challenges in Digital Communications in Vlora (Albania) 6.5.2008) (pdf)
- Constructive methods for the computation of Schubert polynomials (talk at the workshop on geometry and integrability in Melbourne (Australia) 13.2.2008) (pdf)
- Sets of Type (d1,d2) in projective Hjelmslev planes over Galois Rings to appear in the proceedings of Special Semester on Groebner Bases - Algebraic Combinatorics in Linz (pdf)
- Construction of Linear Codes with Prescribed Primal and Dual Minimum Distance (talk at Kolloquium der Kombinatorik in Magdeburg 17.11.2007) (pdf)
- Constructing Integral Pointsets in Znm (talk at the Bulgarian Academy of Sciences in Sofia (Bulgaria) 08.10.2007) (pdf)
- Symmetric Functions in MAGMA (talk at AXIOM workshop at RISC (Austria) 15.06.2007) (pdf)
- (l,s)-Extension of Linear Codes, Discrete Math. 309 (2009) 412-417(pdf)
- Constructing Two-weight Codes with Prescribed Groups of Automorphisms (updated version) (pdf) appeared in Discrete Applied Math. (link)
- New arcs in projective Hjelmslev planes over Galois rings (joint paper with Michael Kiermaier) appeared in the proceedings of conference on optimal codes and related topics Balchik Bulgaria 2007 (pdf)
- Error-Correcting Linear Codes, joint book with Anton Betten, Michael Braun, Harald Fripertinger, Adalbert Kerber and Alfred Wassermann, 796p, Springer 2006.
- Number of different degree sequences of a graph with no isolated vertices (talk at Kolloquium der Kombinatorik in Magdeburg 17.11.2006) (pdf)
- Update on the Extension of Good Linear Codes(pdf), appeared in Electronic Notes in Discrete Mathematics
- Extension of Good Linear Codes(talk at Combinatorics 2006 in Ischia) (pdf)
- Two-Weight Codes with prescribed symmetries(poster at Special Semester on Groebner Bases - Algebraic Combinatorics in Linz) (pdf)
- Construction of Two-Weight Codes (talk at 6. Symposium on Algebra and Computation (AC2005) in Tokyo) (pdf)
- A Note on Erdös-Diophantine Graphs and Diophantine Carpets (joint paper with Sascha Kurz), appeared in Mathematica Balkanica, New Series Vol 21 (2007) 1-5 (pdf)
- Construction of (sometimes) optimal codes (talk at ALCOMA05 in Thurnau) (pdf)
- Construction of (sometimes) optimal codes (joint paper with Alfred Wassermann and Michael Braun) (pdf) appeared in proceedings of ALCOMA05
- Construction of linear codes with prescribed minimum distance (joint paper with Alfred Wassermann and Michael Braun) Proceedings of conference on optimal codes Pamporovo Bulgaria 2005 (pdf)
Construction of (n,r)-Arcs in PG(2,q)(joint paper with Alfred Wassermann and Michael Braun) appeared in Innovations in Incidence Geometry Volume 1 (8p)
Optimal linear codes from matrix groups (talk in Heidelberg DMV conference) (pdf)
Optimal Linear Codes From Matrix Groups (joint paper with Alfred Wassermann and Michael Braun) appeared in IEEE Trans. Infrom. Theory Vol 51 Issue 12 p. 4247-4251 (Dec 2005)
Optimal linear codes from matrix groups (talk in Heidelberg DMV conference) (pdf)
Optimal Linear Codes From Matrix Groups (joint paper with Alfred Wassermann and Michael Braun) appeared in IEEE Trans. Infrom. Theory Vol 51 Issue 12 p. 4247-4251 (Dec 2005)
GRAPHDB: A database of graphs (talk in Dagstuhl) (pdf)
Algorithmen für Plethysmen (talk in Kassel at Computer Algebra Conference) (pdf)
A. Kohnert: Dominance order and graphical partitions (17p) accepted (pdf) See here for are more recent table of computed numbers of graphical partitions. (pdf) appeared in the electronic journal of combinatorics (link)
A. Kerber, A. Kohnert: Modular irreducible representations of the symmetric group as codes (17p) accepted (pdf)
appeared in European Journal of Combinatorics (link)
Evaluation of modular irreducible matrix representation of the symmetric groups (talk at Darstellungstheorietag in Jena) (pdf)
Number of Graphical partitions (talk at Kolloquim der Kombinatorik in Magdeburg 14.11.2003) (pdf)
Algorithmen für Plethysmen (talk in Kassel at Computer Algebra Conference) (pdf)
A. Kohnert: Dominance order and graphical partitions (17p) accepted (pdf) See here for are more recent table of computed numbers of graphical partitions. (pdf) appeared in the electronic journal of combinatorics (link)
A. Kerber, A. Kohnert: Modular irreducible representations of the symmetric group as codes (17p) accepted (pdf)
appeared in European Journal of Combinatorics (link)
Evaluation of modular irreducible matrix representation of the symmetric groups (talk at Darstellungstheorietag in Jena) (pdf)
Number of Graphical partitions (talk at Kolloquim der Kombinatorik in Magdeburg 14.11.2003) (pdf)