Talk:Gravitational instanton/to do

Tasks for expert editors:

write proper encyclopedia article: begin with nontechnical executive summary, introduce technical details propertly (explain background, or link to other articles, and define technical terms as per "technical" flag),
expand discussion of the examples,
clarify relation of instantons to usual real Lorentian manifold notion of "solution",
rewrite according to comments received (if any)
add well chosen citations (preferably avoiding restricted links)

Tasks for anyone: