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Tight 4 and 5-designs in projective spaces |
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| Authors: | S. G. Hoggar |
| Affiliation: | (1) Department of Mathematics Glasgow University, G12 8QW Glasgow, Scotland |
| Abstract: | Bannai and Hoggar showed that tightt-designs in projective spaces over  ,  ,  , satisfyt  5. Here we prove that caset = 4 is impossible, and that the two known examples witht = 5 are unique. |
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