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Y. Kohayakawa

52 papers hereh-index 373.6k citations197 works total

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

author position
  • first author9
  • middle author39
  • last author4

Across the 52 of 52 papers where every author was matched, so the position is known.

fields
  • math.CO50
  • cs.DM1
  • cs.DS1

identity via Semantic Scholar / OpenAlex

activity
20102026
most citedThe maximum size of a non-trivial intersecting uniform family that is not a subfamily of the Hilton--Milner family

27 citations · 137 across the 40 of their papers we have counts for

collaborators
Showing 2011Show all

4 papers · 1 filter

math.CO2011

The chromatic thresholds of graphs

Peter Allen, Julia Böttcher, Simon Griffiths +2

The chromatic threshold delta_chi(H) of a graph H is the infimum of d>0 such that there exists C=C(H,d) for which every H-free graph G with minimum degree at least d|G| satisfies c…

math.CO2011★ 27 cited

Limits of permutation sequences through permutation regularity

Carlos Hoppen, Yoshiharu Kohayakawa, Carlos Gustavo Tamm de Araújo Moreira +1

A permutation sequence (σn​)n∈N​ is said to be convergent if, for every fixed permutation τ, the density of occurrences of τ in the elements of the sequence co…

math.CO2011★ 4 cited

Limits of permutation sequences

Carlos Hoppen, Yoshiharu Kohayakawa, Carlos Gustavo Moreira +2

A permutation sequence is said to be convergent if the density of occurrences of every fixed permutation in the elements of the sequence converges. We prove that such a convergent…

math.CO2011★ 2 cited

Hypergraphs with many Kneser colorings (Extended Version)

Carlos Hoppen, Yoshiharu Kohayakawa, Hanno Lefmann

For fixed positive integers r,k and ℓ with 1≤ℓ<r and an r-uniform hypergraph H, let κ(H,k,ℓ) denote the number of k-colorings of the set of hyperedg…

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