• On automorphism groups of some types of generic distributions (joint with A. Čap ), Differential Geom. Appl. 27 (2009) 769-779.
    Also available online: [arxiv 0807.0974]
  • Universal Prolongation of Linear Partial Differential Equations on Filtered Manifolds , Arch. Math. 45 (2009) 289-300.
    Available online: [journal] [arXiv 0904.2519]
  • Prolongation on regular infinitesimal flag manifolds, Intern. J. Math. 23 (2012) 1-41.
    Available online: [journal] [arXiv 1012.1686]
  • Some differential complexes within and beyond parabolic geometry (joint with R. L. Bryant , M. G. Eastwood and A. R. Gover ), Adv. Stud. Pure Math.,
    volume Differential Geometry and Tanaka Theory, (in honour of Professors Reiko Miyaoka and Keizo Yamaguchi), to appear.
    Preprint available online: [arXiv 1112.2142]
  • Strongly essential flows on irreducible parabolic geometries, (joint with K. Melnick ), Transactions of the AMS 368, no. 11 (2016), 8079--8110.
    Also available online: [arXiv1410.4647]
  • A canonical connection on sub-Riemannian contact manifolds (joint with M. G. Eastwood ), Arch. Math. 52 (2016), 2003--2015.
    Also available online: [arXiv 1604.05392]
  • C-projective geometry (joint with D.M.J. Calderbank, M. G. Eastwood and V.S. Matveev ), Memoirs of the AMS, to appear.
    Preprint available online: [arXiv 1512.04516 ]
  • On the groups of c-projective transformations of complete Kähler manifolds (joint with V.S. Matveev ), Annals of Global Analysis and Geometry, accepted.
    Preprint available online: [arXiv 1705.11138 ]
  • Sasakian and Kaehler structures and their compactifications via projective geometry (joint with A. R. Gover , T. Willse).
    Preprint available online [arXiv 1803.09531 ]


  • Conformal Differential Geometry (joint with M.G. Eastwood and A.R. Gover), in preparation.


  • Weighted jet bundles and differential operators for parabolic geometries, Dissertation (2010), available online: [PDF]
  • On Automorphism Groups of Parabolic Geometries , Diploma thesis (2007)