Abstract.
We propose to treat the ϕ 4 Euclidean theory constructively in a simpler way. Our method, based on a new kind of “loop vertex expansion”, no longer requires the painful intermediate tool of cluster and Mayer expansions.
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Communicated by Joel Feldman.
Submitted: June 19, 2007. Accepted: December 6, 2007.
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Magnen, J., Rivasseau, V. Constructive ϕ 4 Field Theory without Tears. Ann. Henri Poincaré 9, 403–424 (2008). https://doi.org/10.1007/s00023-008-0360-1
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DOI: https://doi.org/10.1007/s00023-008-0360-1