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researcher

Ragnar Freij

22 papers hereh-index 13814 citations49 works total

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

author position
  • first author6
  • middle author14
  • last author2

Across the 22 of 22 papers where every author was matched, so the position is known.

fields
  • cs.IT13
  • math.CO4
  • cs.CC1
  • cs.GT1
  • cs.LG1
  • math.MG1

identity via Semantic Scholar / OpenAlex

activity
20082026
most citedPrivate Information Retrieval from Coded Databases with Colluding Servers

258 citations · 267 across the 20 of their papers we have counts for

collaborators
Showing 2012Show all

1 paper · 1 filter

math.MG2012★ 1 cited

Face numbers of centrally symmetric polytopes from split graphs

Ragnar Freij, Matthias Henze, Moritz W. Schmitt +1

We analyze a remarkable class of centrally symmetric polytopes, the Hansen polytopes of split graphs. We confirm Kalai's 3^d-conjecture for such polytopes (they all have at least 3…

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