TY - JOUR
A2 - Hounkonnou, M. N.
AU - Rivasseau, V.
PY - 2009
DA - 2009/12/15
TI - Constructive Field Theory in Zero Dimension
SP - 180159
VL - 2009
AB - Constructive field theory can be considered as a reorganization of perturbation theory in a convergent way. In this pedagogical note we propose to wander through five different methods to compute the number of connected graphs of the zero-dimensional ϕ4 field theory, in increasing order of sophistication and power.
SN - 1687-9120
UR - https://doi.org/10.1155/2009/180159
DO - 10.1155/2009/180159
JF - Advances in Mathematical Physics
PB - Hindawi Publishing Corporation
KW -
ER -