NEC groups and Klein surfaces

Erreferentzia bibliografikoak

• N.L. Alling and N. Greenleaf, Foundations of the theory of Klein surfaces, Lecture Notes in Math. No. 219, Springer-Verlag (1971).
• E. Bujalance, Normal subgroups of NEC groups, Math. Zeit. 173 (1981), 331–341.
• ______, Proper periods of normal NEC groups with even index, to appear in Revista Hispano-Americana.
• ______, Automorphism groups of compact Klein surfaces with one boundary component, to appear.
• ______, Cyclic groups of automorphisms of compact non-orientable Klein surfaces without boundary, to appear.
• W. Hall, Automorphisms and coverings of Klein surfaces, Ph.D. Thesis, Southampton (1978).
• A.H.M. Hoare and D. Singerman, The orientability of subgroups of plane groups, to appear.
• A. Hurwitz, Über algebraische Gebilde mit eindeutigen transformationen in sich, Math. Ann. 41 (1893), 428–471.
• A.M. Macbeath, The clasification of non-Euclidean plane crystallographic groups, Can. J. Math. 19 (1967), 1192–1205.
• C.L. May, Large automorphism groups of compact Klein surfaces with boundary-I, Glasgow Math. J. 18 (1977), 1–10.
• _____, Cyclic automorphism groups of compact bordered Klein surfaces, Houston J. Math., 3 (1977), 395–405.
• _____, Automorphisms of compact Klein surfaces with boundary, Pacific J. Math. 59 (1975), 199–210.
• _____, A bound for the number of automorphisms of a compact Klein surface with boundary, Proc. Amer. Math. Soc. 63 (1977), 273–280.
• R. Preston, Projective structures and fundamental domains on compact Klein surfaces, Ph.D. Thesis, University of Texas (1975).
• D. Singerman, Automorphisms of compact non-orientable Riemann surfaces, Glasgow J. Math. (1971), 50–59.
• ______, On the structure of non-Euclidean crystallographic groups, Proc. Cam. Phil. Soc. (1974), 223–240.
• C.H. Wilkie, On non-euclidean crystallographic groups, Math. Zeit. 91 (1966), 87–102.
• H. Zieschang, E. Voght and H.D. Coldewey, Fl??chen und ebene diskontinuierliche Gruppen, Lecture Notes in Math. No. 122, Springer-Verlag (1970);
• Surfaces and Planar Discontinuous Groups, Lecture Notes in Math. No. 835, Springer-Verlag (1980).