P. Šemrl

activity

20002026

most citedIsometries of Grassmann spaces

42 citations · 113 across the 18 of their papers we have counts for

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Showing 2023Show all

2 papers · 1 filter

math.FA2023

Maps on Grassmann spaces preserving the minimal principal angle

Peter Semrl

Let $n$ be a positive integer and $H$ a Hilbert space. The description of the general form of bijective maps on the set of $n$ -dimensional subspaces of $H$ preserving the maximal p…

math.RA2023

The Waring Problem for Matrix Algebras, II

Matej Brešar, Peter Šemrl

Let $f$ bea noncommutativepolynomial of degree $m \geq 1$ over an algebraically closed field $F$ of characteristic $0$ . If $n \geq m - 1$ and $α_{1}, α_{2}, α_{3}$ are nonzero elements from $F$ …