Convergence of Perturbation Expansions in Fermionic Models. Part 1: Nonperturbative Bounds

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dc.creatorFeldman, Joel
dc.creatorKnoerrer, Horst
dc.creatorTrubowitz, Eugene
dc.date2002-09-21
dc.date.accessioned2026-07-07T04:29:26Z
dc.date.available2026-07-07T04:29:26Z
dc.descriptionAn estimate on the operator norm of an abstract fermionic renormalization group map is derived. This abstract estimate is applied in another paper to construct the thermodynamic Green's functions of a two dimensional, weakly coupled fermion gas with an asymmetric Fermi curve. The estimate derived here is strong enough to control everything but the sum of all quartic contributions to the Green's functions.
dc.description58 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/math-ph/0209045
dc.identifierhttp://arxiv.org/abs/math-ph/0209045
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/57152
dc.subjectMathematical Physics
dc.subject82B28 (Primary) 81T08 (Secondary)
dc.titleConvergence of Perturbation Expansions in Fermionic Models. Part 1: Nonperturbative Bounds
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