... Research . ... My research is centered on the study of Active Galactic Nuclei (AGN) from a multifrequency point of view. I have in fact worked on radio, infrared, optical, X-ray, gamma-ray, and neutrino data. ... тАв €а Unified Schemes . ... Here are my recent papers on this subject. €а . тАв €а AGN Evolution . ... тАв €а X-ray Spectra of AGN . ... тАв €а Deep Radio Surveys . I have worked with the Chandra Deep Field South (CDFS) team on some extremely deep VLA data of the CDFS area. ...