November 1998
Please note the style followed by Physical Review A and Physical Review E for group symmetry, group algebra, and topology notation.
Group symmetries are roman and capitalized when followed by a number:
SU(3), SU3, O(n), U(n), Sp(n)
Group symmetries are italic and capitalized for single letters with subscript:
SN
Algebras are lowercase roman:
su, su3, su(3)
The following double-letter symbols are acceptable for describing topology and should be defined at their first occurrence; they are set roman:
Wr Writhing number
Lk Linking number
Tw Twist number
Ca Catenation number