Dennis The

Research interests

Lie theory, differential geometry, parabolic geometry, mathematical physics

My papers on the arXiv
Google Scholar profile
Sophus Lie seminar

Recent papers

Classification of simply-transitive Levi non-degenerate hypersurfaces in C^3 (with Boris Doubrov & Joel Merker); preprint

G(3)-supergeometry and a supersymmetric extension of the Hilbert-Cartan equation (with Boris Kruglikov & Andrea Santi); preprint, accepted in Advances in Mathematics (2020)

On C-class equations (with Andreas Cap & Boris Doubrov); preprint, accepted in Communications in Analysis and Geometry (2020)

Homogeneous Levi non-degenerate hypersurfaces in C^3 (with Boris Doubrov & Alexandr Medvedev); preprint, accepted in Mathematische Zeitschrift (2020)

Homogeneous integrable Legendrian contact structures in dimension five (with Boris Doubrov & Alexandr Medvedev); published in Journal of Geometric Analysis (2019)

Exceptionally simple PDE; published in Differential Geometry and its Applications (2018)

Jet-determination of symmetries of parabolic geometries (with Boris Kruglikov); published in Mathematische Annalen (2017)

Submaximally symmetric c-projective structures (with Boris Kruglikov & Vladimir Matveev); published in International Journal of Mathematics (2016)

The gap phenomenon in parabolic geometries (with Boris Kruglikov); published in J. Reine Angew. Math. (Crelle's Journal) (2014)

Maximally degenerate Weyl tensors in Riemannian and Lorentzian signatures (with Boris Doubrov); published in Differential Geometry and its Applications (2014)

Rigid Schubert varieties in compact Hermitian symmetric spaces (with Colleen Robles); published in Selecta Mathematica (2012)

Conference organization

Geometric Structures and Supersymmetry (22.06.2020 - 25.06.2020)

Symmetry and Differential Geometry (13.09.2019)

2019 Abel Symposium: Geometry, Lie Theory, and Applications (24.06.2019 - 28.06.2019)

Winter School in Geilo, Norway: Geometry, Analysis, Physics (04.03.2018 - 10.03.2018)

Recent fun public talks

May 2017: The Mathematics of Maps (Lecture series at UiT)
(The new AuthaGraph world map.)

Lecture 1: Introduction; scale factors.

Lecture 2: Ideal maps do not exist; gnomonic projection.

Lecture 3: Area-preserving maps.

Lecture 4: Conformal maps; the Mercator projection.

April 2017: Complex Beauties calendar, game (guest lecture for Complex Analysis course)

Email Address

dennisdottheatuit.no

Postal Address

Department of Mathematics and Statistics, University of Tromso, N-9037 Tromso, Norway