SL (Complexity): Computational Complexity Theory, Class, Log Space Reducible, Symmetric Turing Machine

RL (Complexity): Computational Complexity Theory, Class, Logarithmic Space, Polynomial Time, Probabilistic Turing Machine

Symmetric Turing Machine: SL (Complexity), Machine, Computer, Thought Experiment

Advice (complexity): Computational Complexity theory, Turing machine, Decision problem, class, Boolean circuit, Nondeterministic algorithm

ZPL (Complexity): Computational Complexity Theory, Logarithmic Space