42 citations · 113 across the 18 of their papers we have counts for
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math.FA2015★ 42 cited
Isometries of Grassmann spaces
György Pál Gehér, Peter Šemrl
Botelho, Jamison, and Moln\' ar have recently described the general form of surjective isometries of Grassmann spaces on complex Hilbert spaces under certain dimensionality assumpt…
math.RA2015
Continuous space-time transformations
Clément de Seguins Pazzis, Peter Šemrl
We prove that every continuous map acting on the four-dimensional Minkowski space and preserving light cones in one direction only is either a Poincaré similarity, that is, a produ…