| • Science | • People | • Locations | • Timeline |
Loosely speaking, a function problem takes a complicated input and produces a (perhaps equally) complicated output. Function problems are distinguished from decision problems, which produce only Yes or No answers. FL corresponds to the set L of decision problems which can be solved in deterministic logspace. FL is a subset of FP, the set of function problems which can be solved in deterministic polynomial time.
FL is known to contain several natural problems, including the multiplication of two numbers.
Complexity classes