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researcher

Stephan Weis

32 papers hereh-index 11338 citations43 works total

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

author position
  • sole author15
  • first author5
  • middle author3
  • last author9

Across the 32 of 32 papers where every author was matched, so the position is known.

fields
  • math-ph9
  • quant-ph9
  • math.FA6
  • math.MG4
  • math.AG2
  • math.OC1

identity via Semantic Scholar / OpenAlex

activity
20102026
most citedClassification of joint numerical ranges of three hermitian matrices of size three

40 citations · 250 across the 28 of their papers we have counts for

collaborators
Showing 2011 · quant-phShow all

1 paper · 2 filters

quant-ph2011★ 37 cited

Geometry of the set of mixed quantum states: An apophatic approach

Ingemar Bengtsson, Stephan Weis, Karol Życzkowski

The set of quantum states consists of density matrices of order N, which are hermitian, positive and normalized by the trace condition. We analyze the structure of this set in th…

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