صندلی اداری طراحی قالب وردپرس آموزش وردپرس

4-dimensional projective planes with a 3-dimensional elation group


Abstract


We consider 4-dimensional flexible topological projective planes with the following property: There exists a line W such that the elation group with respect to W is 3-dimensional. We prove that besides known planes no further planes with this property exist.

DOI Code: 10.1285/i15900932v15n1p65

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