9 citations · 18 across the 21 of their papers we have counts for
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math.CO2020
Expander spanning subgraphs with large girth
Itai Benjamini, Mikolaj Fraczyk, Gabor Kun
We conjecture that finite graphs with positive Cheeger constant admit a spanning subgraph with positive Cheeger constant and girth proportional to the diameter. We prove this conje…
math.CO2020
A note on the structure of expanders
Itai Benjamini, Mikolaj Fraczyk
A conjecture regarding the structure of expander graphs is discussed.
math.NT2020★ 4 cited
The density hypothesis for horizontal families of lattices
Mikołaj Frączyk, Gergely Harcos, Péter Maga +1
We prove the density hypothesis for wide families of arithmetic orbifolds arising from all division quaternion algebras over all number fields of bounded degree. Our power-saving b…