Skip to main content
3 of 4
fixed grammar, and hopefully clarified what sort of sign we are looking for
Ben McKay
  • 26.3k
  • 7
  • 67
  • 102

First chern class

I know some examples of compact complex manifolds whose first Chern class does not have a definite sign (is neither negative, nor positive nor zero on all complex curves). I am looking for a necessary and sufficient condition that the first Chern class has a definite sign.

user21574