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The minimum weight of the code of intersecting lines in PG(3,q)
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Plane triangulations without large 2-trees
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On local operations that preserve symmetries and on preserving polyhedrality of maps
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A simple and elementary proof of Whitney's unique embedding theorem
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Generation of local symmetry-preserving operations on polyhedra
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Smallest snarks with oddness 4 and cyclic connectivity 4 have order 44
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Groups of Ree type in characteristic 3 acting on polytopes