Insane Properties of the Closed Long Ray and the Long Line

1 · Gints Dreimanis · July 5, 2019, midnight
In topology, the long line, or Alexandroff line, is a space somewhat similar to the real line, but ‘longer’. To obtain the long line, one needs to put together a long ray in each direction. Closed long rays, as well as long lines, have remarkable properties....