Imre B'ar'any

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19992021

most citedPoisson polytopes

33 citations · 49 across the 15 of their papers we have counts for

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Showing 2021Show all

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math.RA2021

Smaller Gershgorin disks for multiple eigenvalues for complex matrices

Imre Bárány, Jozsef Solymosi

Extending an earlier result for real matrices we show that multiple eigenvalues of a complex matrix lie in a reduced Gershgorin disk. One consequence is a slightly better estimate…

math.CO2021

Erdős-Szekeres theorem for $k$ -flats

Imre Bárány, Gil Kalai, Attila Pór

We extend the famous Erdős-Szekeres theorem to $k$ -flats in $R^{d}$

Smaller Gershgorin disks for multiple eigenvalues for complex matrices

Erdős-Szekeres theorem for k-flats

Erdős-Szekeres theorem for $k$ -flats