Doubly transitive (n + 2)-arcs in projective planes of even order n

  title={Doubly transitive (n + 2)-arcs in projective planes of even order n},
  author={Vito Abatangelo},
  journal={J. Comb. Theory, Ser. A},
The investigation of the collineation groups of projective planes doubly transitive on one of their point orbits is of fundamental importance for the construction and the characterization of projective planes. Several authors were concerned with the cases where the doubly transitive orbit is a line [ZO, Theorem 39.3; 18; 51, an oval (i.e., (n + l)-arc), or, in particular, a conic [ 19, 20, 6, 7, 13, 161, a hermitian arc or, in particular, a hermitian curve [ 131, an afline plane [ 11). Note… CONTINUE READING


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