And then there's strolling throgh the aisle at Wal-Mart and seeing his face on everything from here to Sunday, like […]

The Open is the only Grand Slam tournament where women use different balls than men, and the Wilson ‘regular-duty’ ball has gotten into some players’ heads.

Reverts his face, and pausing flings / Soft showers of roses from aurelian wings.

A careful geometric study of Klein geometries is available in [Sh97, Chapter 4]. Given a Klein geometry (G,H) we may first ask whether all of G is “visible” on G/H, i.e. whether the action 𝓁 of G on G/H is effective. In this case, we call the Klein geometry effective.