1 Table of Contents: “... lattices to topology -- 5. Topological models for oriented matroids -- 6. Arrangements of pseudolines -- 7...”

2 Table of Contents: “... Points of Gröbner Bases and Combinatorics -- A Construction of Isomorphism Classes of Oriented Matroids...”

3 Table of Contents: “... -- Reconstruction of a Rank 3 Oriented Matroids from its Rank 2 Signed Circuits -- The Normal Graph Conjecture...”

4 Table of Contents: “...; Chapter 3. On the independent set numbers of a finite matroid; Chapter 4. Unions of oriented matroids...”

5 Table of Contents: “... of triangles and circuits; CHChapter 25. On cliques and partitions in Hamming spaces; CHChapter 26. Oriented...”