Consider the following regularity condition (Pn): every projectivity fixing n points is the identity. It was known that if the subgroup Π of all proper projectivities satisfies (P3) the plane must be Miquelian. The author shows that this is true even if Π satisfies (P4).
Vier-reguläre Möbius-Ebenen
FUNK, Martin
1983-01-01
Abstract
Consider the following regularity condition (Pn): every projectivity fixing n points is the identity. It was known that if the subgroup Π of all proper projectivities satisfies (P3) the plane must be Miquelian. The author shows that this is true even if Π satisfies (P4).File in questo prodotto:
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