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researcher

A. Uschmajew

27 papers hereh-index 201.7k citations59 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author1
  • first author4
  • middle author5
  • last author16

Across the 26 of 27 papers where every author was matched, so the position is known.

fields
  • math.NA14
  • math.OC11
  • math.AG2

identity via Semantic Scholar / OpenAlex

activity
20142026
most citedA new convergence proof for the higher-order power method and generalizations

36 citations · 61 across the 23 of their papers we have counts for

collaborators
Showing 2023 · math.NAShow all

3 papers · 2 filters

math.NA2023★ 1 cited

Dynamical low-rank tensor approximations to high-dimensional parabolic problems: existence and convergence of spatial discretizations

Markus Bachmayr, Henrik Eisenmann, André Uschmajew

We consider dynamical low-rank approximations to parabolic problems on higher-order tensor manifolds in Hilbert spaces. In addition to existence of solutions and their stability wi…

math.NA2023

On the approximation of vector-valued functions by volume sampling

Daniel Kressner, Tingting Ni, André Uschmajew

Given a Hilbert space H and a finite measure space Ω, the approximation of a vector-valued function f:Ω→H by a k-dimensional subspace $\mathcal U \sub…

math.NA2023★ 7 cited

Dynamical low-rank approximation of the Vlasov-Poisson equation with piecewise linear spatial boundary

André Uschmajew, Andreas Zeiser

We consider dynamical low-rank approximation (DLRA) for the numerical simulation of Vlasov--Poisson equations based on separation of space and velocity variables, as proposed in se…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.