2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/168829I show that the novel dual path integral representation for finite temperature quantum field theory proposed in [Phys. Rev. D 77, 105030 (2008), arXiv:0803.1667 ] is a well-known representation of quantum mechanics in terms of symbols of operators.1 pageHigh Energy Physics - TheoryComment on "Dual path integral representation for finite temperature quantum field theory"text