Papers
Quasi-Hamiltonian model spaces [arXiv] (with Kay Paulus)
Multiplicity free U(2)-actions and triangles [arXiv] (with Oliver Goertsches and Nikolas Wardenski)
Momentum polytopes of projective spherical varieties and related Kähler geometry [article, arXiv, view-only] (with Stéphanie Cupit-Foutou and Guido Pezzini), Selecta Mathematica, New Series 26 (2020), 27.
Combinatorial characterization of the weight monoids of smooth affine spherical varieties [article, arXiv] (with Guido Pezzini), Transactions of the American Mathematical Society 372 (2019), 2875-2919.
On some families of smooth affine spherical varieties of full rank [article, arXiv] (with Kay Paulus and Guido Pezzini), Acta Mathematica Sinica, English Series 34 (2018), 563-596.
Nilpotent matrices having a given Jordan type as maximum commuting nilpotent orbit [article, arXiv] (with A. Iarrobino, L. Khatami and R. Zhao), Linear Algebra and its Applications 546 (2018), 210-260.
Equivariant degenerations of spherical modules: part II [article, arXiv] (with Stavros Papadakis), Algebras and Representation Theory 19 (2016), 1135-1171.
The moduli scheme of affine spherical varieties with a free weight monoid [article, arXiv] (with Paolo Bravi), International Mathematics Research Notices 2016 (2016), 4544-4587.
Equivariant degenerations of spherical modules for groups of type A [article, arXiv] (with Stavros Papadakis), Annales de l'Institut Fourier 62 (2012), 1765-1809
Propositional systems, Hilbert lattices and
generalized Hilbert spaces [chapter, pdf]
(with Isar Stubbe),
Handbook of Quantum Logic and Quantum Structures (2007), 477-523, edited by D.
Gabbay, D. Lehmann and K.
Engesser, Elsevier
Classification of smooth affine spherical varieties [article, arXiv] (with
Friedrich Knop),
Transformation Groups 11 (2006), 495-516
Reviews of my papers on MathSciNet, including older ones
Report
Various interpretations of the root system(s) of a spherical variety [pdf], extended abstract for Oberwolfach Mini-Workshop on Spherical Varieties and Automorphic Representations (12 May - 18 May 2013), Oberwolfach Reports 10 (2013), 1464-1467 [full report]
Seminars
Emmy Noether Seminar
Conferences
Algebraic transformation groups: the mathematical legacy of Domingo Luna, Università La Sapienza, 28-30 October 2019
Geometry and Representation Theory of Algebraic Groups, Physikzentrum Bad Honnef, 5-9 March 2018