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Open Positions
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51Dxx
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Geometric closure systems
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- 51D05 Abstract (Maeda) geometries
- 51D10 Abstract geometries with exchange axiom
- 51D15 Abstract geometries with parallelism
- 51D20 Combinatorial geometries [See also 05B25, 05B35]
- 51D25 Lattices of subspaces [See also 05B35]
- 51D30 Continuous geometries and related topics [See also 06Cxx]
- 51D99 None of the above, but in this section
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