Defined as Heur δ {\displaystyle \delta } DTIME, but for non-deterministic heuristic algorithms.
NP is not contained in HeurNTIME 1 / 2 + 1 / n a {\displaystyle 1/2+1/{n^{a}}} ( n c {\displaystyle n^{c}} ) for any constants a , c {\displaystyle a,c} [Per07].
No class.
(f(n)): Heuristic NTIMEDTIME, but for non-deterministic heuristic algorithms.
(
) for any constants 
[Per07].