A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
Questions that ask for a mathematical/formal model of an intuitive concept or task
set functions which usually appear in approximation algorithms, functions modeling user preferences in game theory,economics, combinatorial optimization, elect…
Questions regarding easy-to-compute, but hard-to-invert functions.
Questions relating to implementations of algorithms
Logic with limited contraction and weakening.
A family of heuristic search algorithms mimicing the process of natural evolution.