The title should be no longer than 80 characters. Special characters such as Greek should be spelled out like 'alpha' in English. Superscripts should be put between a pair of !'s, subscript should be put between a pair of $'s, and italics should be put in a pair of #'s (e.g. H$2$O for H₂O, #Re#!0.8! for Re^0.8)