A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is
Duncan and Ihrig (1993) gave a classification of the flat homogeneous spaces of metric signature (m, 2), provided that a certain condition on the development image of these spaces holds. In this note we show that this condition can be dropped, so that Duncan and Ihrig's classification is in fact the full classification for signature (m, 2).fatcat:fbtzoufnkfbcxgvxph3v5xjgp4