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Configurations of Flats, I: Manifolds of Points in the Projective Line |
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| Authors: | Jorge L. Arocha Javier Bracho Luis Montejano |
| Affiliation: | (1) Instituto de Matematicas, UNAM, Ciudad Universitaria, D.F. 04510, Mexico |
| Abstract: | The topological manifolds arising from configurations of points in the realand complex projective lines are classified. Their topology andcombinatorics are described for the real case. A general setting for thestudy of the spaces of configurations of flats is established and aprojective duality among them is proved in its full generality. |
| Keywords: | Configurations Non-Hausdorff spaces Surgery Polyhedral complexes Shellability Grassmannians Lattices Duality Compact manifolds |
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