English

Herrmann, Christian ; Luksch, P. ; Skorsky, M. ; Wille, R. (2000):
Algebras of semiconcepts and double Boolean algebras.
2086, Darmstadt, Techn. Univ., FB Mathematik, [Book]

Herrmann, Christian ; Roddy, M. S. (1999):
Proatomic modular ortholattices: representation and equational theory.
In: Akten der Mathematik-Tagung in Memoriam von Herbert Gross, 10, pp. 55-88, [Conference or Workshop Item]

Herrmann, Christian ; Roddy, (1998):
Representation and equational theory of orthocomplemented modular lattices.
1966, Darmstadt: Techn. Univ., FB Mathematik, 1998. 30 S, Darmstadt, Techn. Univ, [Book]

Herrmann, Christian ; Moresi, R. ; Schuppli, R. ; Wild, M.
Keller, H. A. ; Künzi, U.-M. ; Wild, M. (eds.) (1998):
Classification of subspaces.
In: Bayreuther mathematische Schriften, 53, In: Orthogonal geometry in infinite dimensional vector spaces, Bayreuth: Mathemat. Inst. der Univ., 1998, pp. 55-170, Bayreuth, Mathemat. Inst. der Univ., [Book Section]

Herrmann, Christian (1998):
On automorphism groups of Arguesian lattices.
In: Acta mathematica Hungarica. 79 (1998), 1-2, S. 35-38, [Article]

Herrmann, Christian (1996):
A polynomial algorithm for testing congruence modularity.
In: International journal of algebra and computation. 6 (1996), No. 4, S. 379-287, [Article]

Herrmann, Christian (1995):
Alan Day's work on modular and Arguesian lattices.
In: Algebra universalis. 34 (1995), S. 35-60, [Article]

Herrmann, Christian ; Moresi, R. ; Schuppli, R. ; Walter, M. ; Widmer, C. ; Wild, M. (1995):
Classification of subspace in infinite dimensional orthogonal geometry.
1753, Darmstadt: Techn. Hochschule, FB Mathematik, 1995. 96 S., Darmstadt, Techn. Hochschule, FB Mathematik, [Book]

Herrmann, Christian (1995):
On the size of complements of unions of subgroups of finite abelian groups.
1770, Darmstadt: Techn. Hochschule, FB Mathematik, 1995. 4 S., Darmstadt, Techn. Hochschule, FB Mathematik, [Book]

Herrmann, Christian (1995):
On the undecidability of implications between embedded multivalued database dependencies.
In: Information and computation. 122 (1995), No. 2, S. 221-235, [Article]

Herrmann, Christian (1995):
A polynomial algorithm for testing congruence modularity.
1720, Darmstadt: Techn. Hochschule, FB Mathematik, 1995. 10 S., Darmstadt, Techn. Hochschule, FB Mathematik, [Book]