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K. Yokoyama

21 papers hereh-index 12389 citations50 works total

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

author position
  • sole author1
  • last author20

Across the 21 of 21 papers where every author was matched, so the position is known.

fields
  • math.LO20
  • math.CO1
same name
  • K. Yokoyama — 8 papers, h 9
  • K. Yokoyama — 5 papers, h 20
  • K. Yokoyama — 5 papers, h 4
  • K. Yokoyama — 4 papers, h 11
  • K. Yokoyama — 3 papers, h 3
  • K. Yokoyama — 2 papers, h 3

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
20132023
most citedThe proof-theoretic strength of Ramsey's theorem for pairs and two colors

8 citations · 19 across the 21 of their papers we have counts for

collaborators
Showing 2013Show all

3 papers · 1 filter

math.LO2013

Propagation of partial randomness

Kojiro Higuchi, W. M. Phillip Hudelson, Stephen G. Simpson +1

Let f be a computable function from finite sequences of 0's and 1's to real numbers. We prove that strong f-randomness implies strong f-randomness relative to a PA-degree. We also…

math.LO2013★ 1 cited

A generalization of Levin-Schnorr's theorem

Keita Yokoyama

In this paper, we will generalize the definition of partially random or complex reals, and then show the duality of random and complex, i.e., a generalized version of Levin-Schnorr…

math.LO2013★ 1 cited

On principles between Σ1​- and Σ2​-induction, and monotone enumerations

Alexander P. Kreuzer, Keita Yokoyama

We show that many principles of first-order arithmetic, previously only known to lie strictly between Σ1​-induction and Σ2​-induction, are equivalent to the well-foundedness of…

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