Topological and smooth unitals.
Immervoll, Stefan (2001)
Advances in Geometry
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Displaying similar documents to “Real analytic projective planes with large automorphism groups.”
Topological and smooth unitals.
Projective planes and the Tripartite Unity
Ton Marar (2007)
Visual Mathematics
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On finite projective planes in Lenz-Barlotti class at least I.3.
Ghinelli, D., Jungnickel, D. (2003)
Advances in Geometry
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On projective planes of order 20
E. Kramer (1985)
Matematički Vesnik
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The nonexistence of certain projective planes of order 15.
Drake, David A., Larson, Jean A. (1992)
Experimental Mathematics
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Compact 8-dimensional Projective Planes.
Helmut Salzmann (1990)
Forum mathematicum
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Central Automorphisms of Veblenian Nearaffine Planes
Kinga Cudna-Lasecka, Jan Jakóbowski (2005)
Bulletin of the Polish Academy of Sciences. Mathematics
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The paper deals with nearaffine planes described by H. A. Wilbrink. We consider their central automorphisms, i.e. automorphisms satisfying the Veblen condition, which become central collineations in connected projective planes. Moreover, a concept of central pseudo-automorphism is considered, i.e. some bijections in a nearaffine plane are not automorphisms but they become central collineations in the related projective planes.
A family of complete arcs in finite projective planes
Barbu C. Kestenband (1989)
Colloquium Mathematicae
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On Projective Planes of Order Twelve and Twenty.
Zvonimir Janko, Tran van Trung (1980)
Mathematische Zeitschrift
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16-dimensional compact projective planes with 3 fixed points.
Salzmann, H. (2003)
Advances in Geometry
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Affine line systems in finite-dimensional vector spaces.
Löwen, R., Steinke, G. F., Van Maldeghem, H. (2003)
Advances in Geometry
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On the convex hull of projective planes
Jean-François Maurras, Roumen Nedev (2008)
RAIRO - Operations Research
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We study the finite projective planes with linear programming models. We give a complete description of the convex hull of the finite projective planes of order . We give some integer linear programming models whose solution are, either a finite projective (or affine) plane of order , or a -arc.