%0 Journal Article
%T On diffeomorphisms over non-orientable surfaces standardly embedded in the 4-sphere
%A Susumu Hirose
%J Mathematics
%D 2011
%I arXiv
%R 10.2140/agt.2012.12.109
%X For a non-orientable closed surface standardly embedded in the 4-sphere, a diffeomorphism over this surface is extendable if and only if this diffeomorphism preserves the Guillou-Marin quadratic form of this embedded surface.
%U http://arxiv.org/abs/1109.1668v1