Publications and Preprints.

• Projective geometry of 3-Sasaki structures (joint with A.R. Gover and T. Willse), preprint available at arXiv:2204.08384 .
  
  
• Cone structures and parabolic geometries (joint with J.-M. Hwang), Mathem. Annalen (2021), https://doi.org/10.1007/s00208-021-02208-4 ; a preprint (different from printed version) available at arXiv:2010.14958.
  
  
• Projective geometry of Sasaki-Einstein structures and their compactification (joint with A.R.Gover and T. Willse), Dissert. Mathem. 546 (2019), 1-64 ;
  also available at arXiv:1803.09531.
  
  
• On the groups of c-projective transformations of complete Kähler manifolds (joint with V.S. Matveev), Annals Global Anal. Geom. 54, no. 3 (2018), 329-352;
  doi: 10.1007/s10455-018-9604-6; also available at arXiv: 1705.11138.
  
  
• A canonical connection on sub-Riemannian contact manifolds (joint with M.G. Eastwood), Arch. Math. 52 (2016), 2003-2015; available also at arXiv:1604.05392.
  
  
• C-projective geometry (joint with D.M.J. Calderbank, M.G. Eastwood and V.S. Matveev), Memoirs of Amer. Math. Soc. 267, Nr. 1299, 2020; also available at arXiv: 1512.04516.
  
  
• Strongly essential flows on irreducible parabolic geometries (joint with K. Melnick), Trans. Amer. Math. Soc. 368, Nr. 11 (2016), 8079-8110; available also at arXiv:1410.4647.
  
  
• Some differential complexes within and beyond parabolic geometry (joint with R.L. Bryant, M.G. Eastwood and A.R.Gover), Advanced Studies in Pure Math. 82,
  Differential Geometry and Tanaka Theory-Differential system and Hypersurface Theory, T. Shoda and K.Shibuya eds., (2019), 13-40; available also at arXiv 1112.2142.
  
  
• Prolongation on regular infinitesimal flag manifolds, Intern. J. Math. 23 (2012) 1-41; also available at arXiv:1012.1686.
  
  
• Universal prolongation of linear partial differential equations on filtered manifolds, Arch. Math. 45, issue 4. (2009), 289-300; also available at arXiv:0904.2519.
  
  
• On automorphisms groups of some types of generic distributions (joint with A. Čap), Diff. Geom. Appl. 27 (2009) 769-779; also available at arXiv:0807.0974.