Daniel G. Zhu

activity

20242026

collaborators

8 papers

math.CO2026

Schur complements for tensors and multilinear commutative rank

Guy Moshkovitz, Daniel G. Zhu

We show that three notions of rank for matrices of multilinear forms are equivalent. This result generalizes a classical result of Flanders, corrects a minor hole in work of Fortin…

math.CO2026

A Halász-type theorem for permutation anticoncentration

Zach Hunter, Cosmin Pohoata, Daniel G. Zhu

Given a set $A = {a_{1}, \dots, a_{n}}$ of real numbers and real coefficients $b_{1}, \dots, b_{n}$ , consider the distribution of the sum obtained by pairing the $a_{i}$ 's with the $b_{i}$ 's acc…

math.CO2025

A Lovász-Kneser theorem for triangulations

Anton Molnar, Cosmin Pohoata, Michael Zheng +1

We show that the Kneser graph of triangulations of a convex $n$ -gon has chromatic number $n - 2$ .

math.CO2025

Hypergraphic zonotopes and acyclohedra

Cosmin Pohoata, Daniel G. Zhu

We introduce a higher-uniformity analogue of graphic zonotopes and permutohedra. Specifically, given a $(d + 1)$ -uniform hypergraph $H$ , we define its hypergraphic zonotope $\mathcal…

math.CO2025

Series-parallel graphs and hypercube degeneracy

Daniel G. Zhu

Several recent works have identified patterns that must exist in dense subsets of either the vertices or the edges of a large hypercube. We introduce a framework, based on the conc…

math.PR2024

Local limit theorem for joint subgraph counts

Ashwin Sah, Mehtaab Sawhney, Daniel G. Zhu

Extending a previous result of the first two authors, we prove a local limit theorem for the joint distribution of subgraph counts in the Erdős-Rényi random graph $G (n, p)$ . This li…