The Surface counter-terms of the ${\varphi }_4^4$ theory on the half space ${\mathbb{R}}^{+}\times {\mathbb{R}}^3$

Majdouline Borji, Christoph Kopper

In a previous work, we established perturbative renormalizability to all orders of the massive ${\varphi }_4^4$-theory on a half-space also called the semi-infinite massive ${\varphi }_4^4$-theory.…