Suijie Wang

activity

20242026

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4 papers · 1 filter

math.CO2026

Füredi's Conjecture and a Sharp Strengthening

Zihao Huang, Suijie Wang

We prove a strengthening of Füredi's conjecture on strong Bollobás $t$ -systems. For nonnegative integers $t$ and $s$ , a family of $m \geq 2$ pairs of finite sets $(A_{i}, B_{i})$ satisfyin…

math.CO2026

Freeness of Arrangements with Regular Underlying Matroids

Weikang Liang, Suijie Wang

We classify freeness for finite central arrangements whose underlying matroids are regular. Let $A$ be such an arrangement over an arbitrary field, and put $M=M(\mathcal A…

math.CO2026

Covering Hypercube $m B^{n}$

Zihao Huang, Miao Wang, Suijie Wang

The Alon--Füredi theorem determines the minimum number of hyperplanes needed to cover every nonzero vertex of the Boolean cube while avoiding the origin. We study hyperplane coveri…

math.CO2026

Level of Faces for Exponential Sequence of Arrangements

Yanru Chen, Houshan Fu, Weikang Liang +1

In this paper, we introduce the bivariate exponential generating function $F_{l} (x, y)$ for the number of level- $l$ faces of an exponential sequence of arrangements (ESA), and establi…

Füredi's Conjecture and a Sharp Strengthening

Freeness of Arrangements with Regular Underlying Matroids

Covering Hypercube mBn

Level of Faces for Exponential Sequence of Arrangements

Covering Hypercube $m B^{n}$