activity
20162024
most citedLp expander Complexes

5 citations · 10 across the 5 of their papers we have counts for

collaborators

11 papers

stat.ME2024

Causal Responder Detection

Tzviel Frostig, Oshri Machluf, Amitay Kamber +2

We introduce the causal responders detection (CARD), a novel method for responder analysis that identifies treated subjects who significantly respond to a treatment. Leveraging rec…

math.NT2023

Lifting all elements in

Amitay Kamber, Péter P. Varjú

We show that every element of can be lifted to an element of of norm at most , while there exist…

math.NT2022★ 3 cited

Optimal Diophantine Exponents for

Subhajit Jana, Amitay Kamber

The \emph{Diophantine exponent} of an action of a group on a homogeneous space, as defined by Ghosh, Gorodnik, and Nevo, quantifies the complexity of approximating the points of th…

math.NT2022★ 2 cited

On the local -Bound of the Eisenstein Series

Subhajit Jana, Amitay Kamber

We study the growth of the local -norms of the unitary Eisenstein series for reductive groups over number fields, in terms of their parameters. We derive a \emph{poly-logarith…

math.CO2021

Combinatorics via Closed Orbits: Number Theoretic Ramanujan Graphs are not Unique Neighbor Expanders

Amitay Kamber, Tali Kaufman

The question of finding expander graphs with strong vertex expansion properties such as unique neighbor expansion and lossless expansion is central to computer science. A barrier t…

math.NT2020

On Sarnak's Density Conjecture and its Applications

Konstantin Golubev, Amitay Kamber

Sarnak's Density Conjecture is an explicit bound on the multiplicities of non-tempered representations in a sequence of cocompact congruence arithmetic lattices in a semisimple Lie…