%0 Journal Article %A Shyuichi Izumiya %A Kentaro Saji %T The mandala of Legendrian dualities for pseudo-spheres in Lorentz-Minkowski space and ``flat'' spacelike surfaces %J Journal of Singularities %D 2010 %P 92-127 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5427/jsing.2010.2g/ %R 10.5427/jsing.2010.2g %F 10_5427_jsing_2010_2g