%0 Journal Article
%T Estimates on arc-lengths of trajectory-fronts for surface magnetic fields
%A Qingsong Shi
%J -
%D 2017
%R DOI Code: 10.1285/i15900932v37suppl1p131
%X A trajectory-front for a surface magnetic field is formed by terminuses of trajectory-segments of given arc-radius which are emanating from a given point. In order to show how trajectories are spreaded we give estimates of their arc-lengths of trajectory-fronts
%K surface magnetic fields
%K trajectory-fronts
%K magnetic Jacobi field
%K comparison theorems
%U http://siba-ese.unisalento.it/index.php/notemat/article/view/17179