A systematic loop expansion is formulated in terms of full propagators and vertices. It is based on an expansion of the general solution of an exact non-perturbative flow equation
[[abstract]]The phase diagram for the interacting fermions in weak coupling is described by the pert...
Clarification of the presentation of results. Equations and results unchanged. Match the published v...
We further develop the approach recently used to construct an analytic ghost-free model for the QCD ...
We present a formalism to evaluate QCD diagrams with a single virtual gluon using a running coupling...
We discuss the perturbative expansion of several one-loop improved renormalisation group equations. ...
A pattern of partial resummation of perturbation theory series inspired by analytical continuation i...
Recently, we have developed a new formalism to evaluate QCD loop diagrams with a single virtual gluo...
The consistent description of unstable particles, renormalons, or other Schwinger--Dyson-type of sol...
We present a method to accelerate the numerical evaluation of spatial integrals of Feynman diagrams ...
In this lecture I present some of the new developments concerning the use of Padé Approximants (PA's...
Working with scalar field theories, we discuss choices of regulator that, inserted in the functional...
We calculate the two loop Landau mean links and the one loop renormalisation of the anisotropy for W...
We formulate a renormalized running coupling expansion for the beta-function and the potential of th...
Since the advent of Quantum Field Theory (QFT) in the late 1940's, perturbation theory has become on...
The approximation of Euclidean QCD vertex functions Γ by a double sequence Γ[r,p] is con-sidered, wh...
[[abstract]]The phase diagram for the interacting fermions in weak coupling is described by the pert...
Clarification of the presentation of results. Equations and results unchanged. Match the published v...
We further develop the approach recently used to construct an analytic ghost-free model for the QCD ...
We present a formalism to evaluate QCD diagrams with a single virtual gluon using a running coupling...
We discuss the perturbative expansion of several one-loop improved renormalisation group equations. ...
A pattern of partial resummation of perturbation theory series inspired by analytical continuation i...
Recently, we have developed a new formalism to evaluate QCD loop diagrams with a single virtual gluo...
The consistent description of unstable particles, renormalons, or other Schwinger--Dyson-type of sol...
We present a method to accelerate the numerical evaluation of spatial integrals of Feynman diagrams ...
In this lecture I present some of the new developments concerning the use of Padé Approximants (PA's...
Working with scalar field theories, we discuss choices of regulator that, inserted in the functional...
We calculate the two loop Landau mean links and the one loop renormalisation of the anisotropy for W...
We formulate a renormalized running coupling expansion for the beta-function and the potential of th...
Since the advent of Quantum Field Theory (QFT) in the late 1940's, perturbation theory has become on...
The approximation of Euclidean QCD vertex functions Γ by a double sequence Γ[r,p] is con-sidered, wh...
[[abstract]]The phase diagram for the interacting fermions in weak coupling is described by the pert...
Clarification of the presentation of results. Equations and results unchanged. Match the published v...
We further develop the approach recently used to construct an analytic ghost-free model for the QCD ...