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Edgar Costa

19 papers hereh-index 9239 citations22 works total

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

author position
  • first author13
  • middle author6

Across the 19 of 19 papers where every author was matched, so the position is known.

fields
  • math.NT16
  • math.AG3
same name
  • Edgar Costa — 4 papers, h 2
  • Edgar Costa — 3 papers, h 1
  • Edgar Costa — 2 papers, h 1
  • Edgar Costa — 2 papers, h 2

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20122023
most citedRigorous computation of the endomorphism ring of a Jacobian

58 citations · 99 across the 16 of their papers we have counts for

collaborators
Showing 2014 · math.NTShow all

1 paper · 2 filters

math.NT2014

Variation of Neron-Severi ranks of reductions of K3 surfaces

Edgar Costa, Yuri Tschinkel

We study the behavior of geometric Picard ranks of K3 surfaces over the rationals under reduction modulo primes. We compute these ranks for reductions of smooth quartic surfaces mo…

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