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Subspaces and Parallelity in semiaffine partial linear spaces

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Abstract

In the paper we characterize subspaces and strong subspaces of a semiaffine partial linear space and consider definability of projective and semiaffine planes, affine lines and parallelity in terms of projective lines. We also give some construction of a wide class of semiaffine partial linear spaces.

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Authors and Affiliations

  1. Institute of Mathematics, Gdańsk University, Wita Stwosza 57, 80-952, Gdańsk, Poland

    Krzysztof Radziszewski

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  1. Krzysztof Radziszewski
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Correspondence to Krzysztof Radziszewski.

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Radziszewski, K. Subspaces and Parallelity in semiaffine partial linear spaces. Abh.Math.Semin.Univ.Hambg. 73, 131–144 (2003). https://doi.org/10.1007/BF02941272

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  • DOI: https://doi.org/10.1007/BF02941272

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