Papathomopoulos was a prolific textual critic of classical and Byzantine texts. He wrote no less than 30 books, many of which consisting in critical editions, and some 60 papers, on top of compiling concordances to
Apollonius of Rhodes,
Nicander,
Oppian,
Quintus Smyrnaeus and
Sophocles. He initially worked on Greek literature of the imperial age, publishing a critical edition of the
Metamorphoses by
Antoninus Liberalis and of anonymous parapraseis of poems by
Dionysius Periegetes, Oppian and Nicander; at the same time, he began working on the Byzantine scholar
Maximus Planudes, publishing the critical edition of his Greek translation of
Ovid's
Epistles of Heroines. He would went on to publish Planudes's translations of
Augustine's
De trinitate, of
Boethius's
Consolation of Philosophy, of Ovid's
Metamorphoses and of the
Distica Catonis. In 2003 he published the Teubner text of Oppian. == Works ==