Eduardo Gimenez writes:
 > 
 > Hello,
 > 
 > Which is the "prefix" name in Ocaml for the multiplication on
 > integers? The symbols (+), (/), etc. work fine for the other
 > arithmetic operations, but the symbol (*) does not.

LOL :) :).

It's because (* begins a comment *).
You have to write ( * ).

This is truly disgusting and is on a par with C++'s "idiom"

	List<Array<int> >

 > Similarly, is there any prefix name for the list constructor (a::l) ?
 > I am thinking in something like (::) .... 

Yes, this is an example where following SML/NJ's habit of treating
constructors more uniformly with functions would be advantageous.
Although for all I know there may be implementation reasons not to do
it.