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researcher

P. Ostvaer

24 papers hereh-index 16751 citations47 works total

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

author position
  • sole author1
  • middle author1
  • last author22

Across the 24 of 24 papers where every author was matched, so the position is known.

fields
  • math.AG18
  • math.AT4
  • math.KT2

identity via Semantic Scholar / OpenAlex

activity
20082026
most citedChern classes, K-theory and Landweber exactness over nonregular base schemes

11 citations · 42 across the 23 of their papers we have counts for

collaborators
Showing 2018 · math.AGShow all

1 paper · 2 filters

math.AG2018★ 2 cited

A1 contractibility of affine modifications

Adrien Dubouloz, Sabrina Pauli, Paul Arne Østvær

We introduce Koras-Russell fiber bundles over algebraically closed fields of characteristic zero. After a single suspension, this exhibits an infinite family of smooth affine A1-co…

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