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4 papers · 1 filter
The Spherical Maximal Function on the Free Two-step Nilpotent Lie Group
Veronique Fischer
We consider here the free two step nilpotent Lie group, provided with the homogeneous Korányi norm; we prove the -boundedness of the maximal function corresponding to the homo…
Gelfand transforms of SO(3)-invariant Schwartz functions on the free group N_{3,2}
Veronique Fischer, Fulvio Ricci
The spectrum of a Gelfand pair , where is a nilpotent group, can be embedded in a Euclidean space. We prove that in general, the Schwartz functions on the spec…
Network of recurrent events for the Olami-Feder-Christensen model
Tiago P. Peixoto, Joern Davidsen
We numerically study the dynamics of a discrete spring-block model introduced by Olami, Feder and Christensen (OFC) to mimic earthquakes and investigate to which extent this simple…
The nonlinear bending-torsion theory for curved rods as Gamma-limit of three-dimensional elasticity
Lucia Scardia
The problem of the rigorous derivation of one-dimensional models for nonlinearly elastic curved beams is studied in a variational setting. Considering different scalings of the thr…