%0 Journal Article %T Grassmannians and conformal structure on absolutes %A Sasha Anan'in %A Eduardo C. Bento Goncalves %A Carlos H. Grossi %J Mathematics %D 2009 %I arXiv %X We study grassmannian classic geometries in the spirit of [AGr1]. The interrelation between a (pseudo-)riemannian projective classic geometry and the conformal structure on its absolute is explained. %U http://arxiv.org/abs/0907.4469v3