There are a lot of questions concerning cyclic sums, but I just noticed there is no tag for these sums, and it hasn't been suggested as far as I can tell. There are a lot of questions involving cyclic sums. Commonly used relevant tags include combinatorics, contest-math, inequality, and summati...

Proposal: Tag suggestion: cyclic-symmetric-sums See Tag suggestion: (cyclic-symmetric-sums).

Currently, the description is Algebraic topology is a mathematical concept that uses algebraic tools to study topological spaces. In other words, it is the intrinsic qualitative aspects of invariant spatial objects under homeomorphic transformations. I don't think I like this, it sounds too...