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Connection between the renormalization groups of Stückelberg-Petermann and Wilson
Connection renormalization groups Stückelberg-Petermann Wilson
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2011/3/4
The St¨uckelberg-Petermann renormalization group is the group of finite renormalizations of the S-matrix in the framework of causal perturbation theory.
Rainbow connection number and complement graphs
Rainbow connection complement graphs
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2010/11/23
A path in an edge-colored graph, where adjacent edges may be colored the same, is a rainbow path if no two edges of it are colored the same. A nontrivial connected graph $G$ is rainbow connected if th...
Horizontal Connection and Horizontal Mean Curvature in Carnot Groups
Carnot groups Nonholonomic connection Horizontal mean curvature Sub-Riemannian minimal surfaces
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2007/12/13
In this paper we give a geometric interpretation of the notion of the horizontal mean curvature which is introduced by Danielli--Garofalo--Nhieu and Pauls who recently introduced sub-Riemannian minima...