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20132023
most citedCycles and matchings in randomly perturbed digraphs and hypergraphs

49 citations · 158 across the 33 of their papers we have counts for

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Showing 2018Show all

6 papers · 1 filter

math.CO2018★ 1 cited

On Kahn's basis conjecture

Matija Bucić, Matthew Kwan, Alexey Pokrovskiy +1

In 1991, Kahn made the following conjecture. For any -dimensional vector space and any array of bases of , it is possible to choose a representative vec…

math.CO2018★ 4 cited

Dense induced bipartite subgraphs in triangle-free graphs

Matthew Kwan, Shoham Letzter, Benny Sudakov +1

The problem of finding dense induced bipartite subgraphs in -free graphs has a long history, and was posed 30 years ago by Erdős, Faudree, Pach and Spencer. In this paper, we ob…

math.CO2018

Halfway to Rota's basis conjecture

Matija Bucić, Matthew Kwan, Alexey Pokrovskiy +1

In 1989, Rota made the following conjecture. Given bases in an -dimensional vector space , one can always find disjoint bases of , each contain…

math.CO2018

Nearly-linear monotone paths in edge-ordered graphs

Matija Bucic, Matthew Kwan, Alexey Pokrovskiy +3

How long a monotone path can one always find in any edge-ordering of the complete graph ? This appealing question was first asked by Chvátal and Komlós in 1971, and has since…

math.CO2018★ 26 cited

Anticoncentration for subgraph statistics

Matthew Kwan, Benny Sudakov, Tuan Tran

Consider integers such that . Given a large graph , what is the fraction of -vertex subsets of which span exactly edges? When $G…

math.CO2018

Hypergraph cuts above the average

David Conlon, Jacob Fox, Matthew Kwan +1

An r-cut of a k-uniform hypergraph H is a partition of the vertex set of H into r parts and the size of the cut is the number of edges which have a vertex in each part. A classical…