3 papers
math.CO2025
Sunflowers in set systems with small VC-dimension
József Balogh, Anton Bernshteyn, Michelle Delcourt +2
A family of distinct sets is an -sunflower if for all and , we have $A_i \cap A_j = A_…
math.DS2025
Flows with minimal subdynamics
Anton Bernshteyn, Joshua Frisch
Let be a countably infinite discrete group. A -flow (i.e., a nonempty compact Hausdorff space equipped with a continuous action of ) is called -minimal for a su…
math.LO2025
Separating complexity classes of LCL problems on grids
Katalin Berlow, Anton Bernshteyn, Clark Lyons +1
We study the complexity of locally checkable labeling (LCL) problems on from the point of view of descriptive set theory, computability theory, and factors of i.i.d.…