Time

In search of blood, what is the best epigraph?

Remember, of course, that a function is lower semicontinuous if and only if its epigraph is closed.

😛

Originally posted by Mathurine
Remember, of course, that a function is lower semicontinuous if [b]and only if its epigraph is closed.

😛[/b]

Originally posted by schakuhr
I see. Does your northern wind flow freely or not?

Originally posted by schakuhr
In search of blood, what is the best epigraph?