Hammerl, Matthias; Sagerschnig, Katja; Šilhan, Josef; Žádník, Vojtěch Modified conformal extensions. (English) Zbl 07745012 Ann. Global Anal. Geom. 64, No. 3, Paper No. 18, 37 p. (2023). Reviewer: Ameth Ndiaye (Dakar) MSC: 53B30 53C50 53A20 53C18 53C28 PDFBibTeX XMLCite \textit{M. Hammerl} et al., Ann. Global Anal. Geom. 64, No. 3, Paper No. 18, 37 p. (2023; Zbl 07745012) Full Text: DOI arXiv OA License
Hammerl, Matthias; Sagerschnig, Katja; Šilhan, Josef; Taghavi-Chabert, Arman; Žádník, Vojtěch A projective-to-conformal Fefferman-type construction. (English) Zbl 1378.53019 SIGMA, Symmetry Integrability Geom. Methods Appl. 13, Paper 081, 33 p. (2017). MSC: 53B20 53B10 53B30 53C07 PDFBibTeX XMLCite \textit{M. Hammerl} et al., SIGMA, Symmetry Integrability Geom. Methods Appl. 13, Paper 081, 33 p. (2017; Zbl 1378.53019) Full Text: DOI arXiv
Hammerl, Matthias; Somberg, Petr; Souček, Vladimír; Šilhan, Josef On a new normalization for tractor covariant derivatives. (English) Zbl 1264.58029 J. Eur. Math. Soc. (JEMS) 14, No. 6, 1859-1883 (2012). Reviewer: José Navarro Garmendia (Badajoz) MSC: 58J70 53A30 53A20 58A32 53A55 PDFBibTeX XMLCite \textit{M. Hammerl} et al., J. Eur. Math. Soc. (JEMS) 14, No. 6, 1859--1883 (2012; Zbl 1264.58029) Full Text: DOI arXiv
Hammerl, M.; Somberg, P.; Souček, V.; Šilhan, J. Invariant prolongation of overdetermined PDEs in projective, conformal, and Grassmannian geometry. (English) Zbl 1270.53024 Ann. Global Anal. Geom. 42, No. 1, 121-145 (2012). Reviewer: Adela-Gabriela Mihai (Bucureşti) MSC: 53A55 58A32 53A20 53A30 PDFBibTeX XMLCite \textit{M. Hammerl} et al., Ann. Global Anal. Geom. 42, No. 1, 121--145 (2012; Zbl 1270.53024) Full Text: DOI arXiv
Hammerl, Matthias; Sagerschnig, Katja The twistor spinors of generic 2- and 3-distributions. (English) Zbl 1229.53058 Ann. Global Anal. Geom. 39, No. 4, 403-425 (2011). Reviewer: Andreas Cap (Wien) MSC: 53C27 34A26 35N10 53A30 53A40 53B15 53B30 53C15 58A30 PDFBibTeX XMLCite \textit{M. Hammerl} and \textit{K. Sagerschnig}, Ann. Global Anal. Geom. 39, No. 4, 403--425 (2011; Zbl 1229.53058) Full Text: DOI arXiv