Epimorphisms of Generalized Polygons, Part 2: Some Existence and Non-Existence Results
In Part 1 of this paper (see ), we studied the general theory of epimorphisms of generalized polygons, with emphasis on epimorphisms that do not preserve the diameter. Let us briefly recall the situation and relevant definitions.
Unable to display preview. Download preview PDF.
- A. Blokhuis, personal communication.Google Scholar
- A.E. Brouwer, A non-degenerate generalized quadrangle with lines of size four is finite, Advances in Finite Geometries and Designs, Proceedings of the Third Isle of Thorns Conference (eds. J.W.P. Hirschfeld et al.), Oxford University Press, Oxford, 1991, 47–49.Google Scholar
- G. Cherlin, Notes on locally finite generalized quadrangles, 1996.Google Scholar
- D.G. Higman, Invariant relations, coherent configurations and generalized polygons, Combinatorics (eds. M. Hall and J.H. Van Lint), Proceedings ofthe Advanced Study Institute, Breukelen, 1974, Part 3: Combinatorial Group Theory, Reidel, Dordrecht, 1975, 347–363.Google Scholar
- S.E. Payne and J.A. Thas, Finite Generalized Quadrangles, Pitman, London, 1984.Google Scholar