Michael Sommer researches Marx's theory of capitalism. In 2008, together with Dieter Wolf, he published a critique of the Greek-French economist and philosopher Cornelius Castoriadis entitled Imaginare Bedeutungen und historische Schranken der Erkenntnis. Together with Susann Witt-Stahl, he edited the volume Antifa heisst Luftangriff! Regression einer revolutionaren Bewegung (2014), in which the text translated for this book was originally published.
