## *Symmetry Breaking Operators for Rank One Orthogonal Groups*.
Prehomogeneous Vector Spaces and Related Topics (organized by
Slupinski, Soufaifi, Y. Hironaka, H. Ochiai; scientific advisors: Rubethaler
and F. Sato). Rikkyo University, Tokyo, Japan, 1-5 September 2014.

I give a classification of all symmetry breaing operators that intertwines two spherical principal series representations of two
groups *O*(*n*+1,1) to *O*(*n*,1). This is a joint work with B. Speh.

© Toshiyuki Kobayashi