TY - JOUR AU - ANDREAS DEUCHERT AU - SIMON MAYER AU - ROBERT SEIRINGER TI - THE FREE ENERGY OF THE TWO-DIMENSIONAL DILUTE BOSE GAS. I. LOWER BOUND JO - Forum of Mathematics, Sigma PY - 2020 VL - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1017/fms.2020.17/ DO - 10.1017/fms.2020.17 LA - en ID - 10_1017_fms_2020_17 ER -