Ning Guo (郭宁)

Ning Guo 郭宁

Institute for Advanced Study in Mathematics of HIT
Gewu Building, Harbin Institute of Technology
92 Xidazhi Street, Nan’gang, 150001, Harbin, Heilongjiang
Office: 328 | Phone: 0451-86413107
Email: ninguo@hit.edu.cn

I am a professor of IAS in Mathematics at Harbin Institute of Technology.
Here are my ORCID 0000-0001-5901-9177 and CV.

Research articles

Purity for flat cohomology over valuation bases (submitted to HAL on 3rd May 2026)
^{In this article, we establish the purity for flat cohomology for syntomic algebras and smooth algebras over arbitrary valuation rings.}
Divisors on coherent schemes and homogeneous spaces, 2026, submitted
Grothendieck–Serre for constant reductive group schemes, 2023 (submitted, with Fei Liu)
(with Fei Liu) The Bass–Quillen conjecture for torsors over valuation rings, 2025
^{International Mathematics Research Notices, 2025(11): 1–17}
(with Ivan Panin) Weak elementary fibrations, 2025
^{St. Petersburg Mathematical Journal (Algebra i Analiz) 37(1): 32–56}
The Grothendieck–Serre conjecture over valuation rings, 2024
^{Compositio Mathematica 160(2): 317–355}
(with Fei Liu) Purity and quasi-split torsors over Prüfer bases, 2024
^{Journal de l’École polytechnique — Mathématiques 11: 187–246}
The Grothendieck–Serre conjecture over semilocal Dedekind rings, 2022
^{Transformation Groups 27: 897–917}
Representability of group algebraic spaces over 1-dimensional Prüfer rings (available upon request)
Wildly compatible systems and six operations, 2018