r4nd0m Messages 96 Reaction score 1 Thread starter Sep 24, 2007 #1 Is there any name for the functions for which [tex]|f(x+y)| \leq |f(x)| + |f(y)|[/tex]?
fopc Messages 90 Reaction score 0 Sep 24, 2007 #2 r4nd0m said: Is there any name for the functions for which [tex]|f(x+y)| \leq |f(x)| + |f(y)|[/tex]? Look up "subadditive".
r4nd0m said: Is there any name for the functions for which [tex]|f(x+y)| \leq |f(x)| + |f(y)|[/tex]? Look up "subadditive".