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Arrangements and spreads. (English) Zbl 0249.50011
Conference Board of the Mathematical Sciences. Regional Conference Series in Mathematics. No. 10. Providence, R. I.: American Mathematical Society (AMS). 114 p. (1972).

##### MSC:
 05-00 General reference works (handbooks, dictionaries, bibliographies, etc.) pertaining to combinatorics 05-02 Research exposition (monographs, survey articles) pertaining to combinatorics 05C10 Planar graphs; geometric and topological aspects of graph theory 51-00 General reference works (handbooks, dictionaries, bibliographies, etc.) pertaining to geometry 51-02 Research exposition (monographs, survey articles) pertaining to geometry 51M20 Polyhedra and polytopes; regular figures, division of spaces 51N15 Projective analytic geometry 52A10 Convex sets in $$2$$ dimensions (including convex curves) 52A40 Inequalities and extremum problems involving convexity in convex geometry 57M20 Two-dimensional complexes (manifolds) (MSC2010)