The symbol O^ε(n,q) for orthogonal groups has been well established in finite group theory as and, throughout the mathematics community, O(n, K) stands for an orthogonal group when K is the real or complex field.

He quickly found Ali his better in the ring.

strict arboreality

Both h/c (hurt/comfort stories, in which one or both members of a pair are injured in some way, creating emotional closeness) and AU (alternate universe stories, in which the characters are taken out of the source text and placed in a different time or place) are subgenres in their own right, but are also commonly found as elements in slash, het (heterosexual relationship), and gen (nonsexual, or general audience) stories.