1 Decoherence-free subspaces, subspace of a system's Hilbert space where the system is decoupled from the environment.  Dynamic Frequency Selection, part of the IEEE 802.11h wireless standard.
The American Psychological Association (APA) is a scientific and professional organization that represents psychologists in the United States.
American Psychological Association (APA) Style is a set of rules developed to assist reading comprehension in the social and behavioral sciences. Designed to ensure clarity of communication, the rules are designed to move the idea forward with a minimum of distraction and a maximum of precision..