Don’t know about Egan or Vinge specifically, but fanfic of literary SF not targeted at the YA market is very rare. I’d speculate this is partly due to demographics and partly due to the fact that a lot of trad SF’s appeal lies in conceptual stuff that’s generally more or less fully explored in its work of origin.
Is there any Egan or Vinge fanfic except EY’s crossover Finale of the...?
Don’t know about Egan or Vinge specifically, but fanfic of literary SF not targeted at the YA market is very rare. I’d speculate this is partly due to demographics and partly due to the fact that a lot of trad SF’s appeal lies in conceptual stuff that’s generally more or less fully explored in its work of origin.