Quantitative estimates for fractional Sobolev mappings in rational homotopy groups

An estimate of the Hopf degree of fractional Sobolev mappings

(2020) Armin Schikorra et al.   PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY

Hölder-topology of the Heisenberg group

(2020) Armin Schikorra   Aequationes Mathematicae

Gagliardo–Nirenberg inequalities and non-inequalities: The full story

(2018) Haïm Brezis et al.   ANNALES DE L INSTITUT HENRI POINCARE-ANALYSE NON LINEAIRE

Sharp commutator estimates via harmonic extensions

(2018) Enno Lenzmann et al.   NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS

Homotopy Groups of Spheres and Lipschitz Homotopy Groups of Heisenberg Groups

(2014) Piotr Hajłasz et al.   GEOMETRIC AND FUNCTIONAL ANALYSIS

Connecting rational homotopy type singularities

(2008) Robert Hardt et al.   ACTA MATHEMATICA