Document Type

Conference Proceeding

Publication Date


Publication Title

Proceedings of Science


We present the necessity of counter-terms for Quantum Finite Element (QFE) simulations of ϕ4 theory on non-trivial simplicial manifolds with semi-regular lattice spacing. By computing the local cut-off dependence of UV divergent diagrams we found that the symmetries of the continuum theory are restored for ϕ4 theory on the manifolds S2 and S2 × R in the weak coupling regime [1, 2]. Here we consider the construction of non-perturbative local counter-terms in an attempt to approach the strong coupling Wilson-Fisher IR fixed point.




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