Yunfeng Zhang

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math.RT2026

Pointwise character bounds for $SU (3)$

Yunfeng Zhang

We present a basic pointwise bound for the irreducible characters of $SU (3)$ and, as an application, derive new $L^{p}$ bounds for these characters. Our approach is based on…

math.RT2025

Algebraic and analytic properties of invariant differential operators on a homogeneous space of complexity $1$

Hanlong Fang, Xiaocheng Li, Yunfeng Zhang

Denote by $S L_{3} (R)$ the special linear group of degree 3 over the real numbers, $A$ the subgroup consisting of the diagonal matrices with positive entries. In this paper, w…

Pointwise character bounds for SU(3)

Algebraic and analytic properties of invariant differential operators on a homogeneous space of complexity 1

Pointwise character bounds for $SU (3)$

Algebraic and analytic properties of invariant differential operators on a homogeneous space of complexity $1$