Recent Papers:
 

• Radon inversion on Grassmannians via Garding-Gindikin fractional integrals. With Boris Rubin,   preprint
  
  
• Inversion of the spherical Radon transform by a poisson type formula. With Isaac Pesenson,  Contemporary Math., Vol. 278 (2001).
  
  
• Irregular sampling and the Radon transform.With Isaac Pesenson,  Contemporary Math., Vol. 251 (2000).
  
  
• Morera theorems for complex manifolds. With E. Todd Quinto, J. Funct. Anal. (2000).
  
  
• Analytic continuation of convex bodies and Funk's Characterization of the sphere. With E. Todd Quinto,  Pacific J. Math  (2001).