Zhengning Hu

About Me

I am a Postdoctoral Research Associate at the University of Arizona since August 2023. I received my PhD from University of Missouri-Columbia in May 2023, under the supervision of Dan Edidin.

Research Interests

• Algebraic Geometry: Moduli of curves, Hurwitz spaces, and their Chow rings
• Toric Geometry: Weak Fano toric varieties, Toric quotients

Recent Activities

• [July. 2025] 2025 Summer Research Institute in Algebraic Geometry
• [May. 2025] The 2025 AWM Research Symposium, University of Wisconsin-Madison

Preprints

• Classifying weak Fano toric varieties of Picard rank three, (joint with Rohan Joshi), 2025. GitHub repository
• Chow rings of Hurwitz spaces with marked ramification, (joint with Emily Clader, Hannah Larson, Amy Li and Rose Lopez), 2025.

Publications

• The $K$-theory of the moduli stacks $\mathcal{M}_2$ and $\overline{\mathcal{M}}_2$, (joint with Dan Edidin). manuscripta math. 175, 1063–1084 (2024). Journal
• The integral Chow rings of the stacks of hyperelliptic Weierstrass points, (joint with Dan Edidin). To appear at Michigan Mathematical Journal.
• Chow classes of divisors on stacks of pointed hyperelliptic curves, (joint with Dan Edidin). Ann. Sc. Norm. Super. Pisa Cl. Sci. (5) 25 (2024), no.1, 217–240. Journal
• Several problems on moduli stacks of hyperelliptic curves, PhD thesis (2023).

Other writings

• A special version of excess intersection formula, 2025.

Teaching

• The University of Arizona (Instructor)

  • MATH 313 - Introduction to Linear Algebra (Spring 2025, Fall 2024, Spring 2024) Python Assignments
  • MATH 396L - Wildcat Proofs Workshop (Fall 2024)
  • MATH 122B - First Semester Calculus (Fall 2023)

• University of Missouri-Columbia (Recitation TA)

  • MATH 4700 - Advanced Calculus (Spring 2023, Fall 2022, Spring 2022, Fall 2021, Fall 2020, Spring 2020) Notes
  • MATH 7900 - Multivariable Calculus (Spring 2023, Spring 2022, Spring 2021, Spring 2019) Notes
  • MATH 4720 - Abstract Algebra (Fall 2022)
  • MATH 1700 - Calculus II (Spring 2021, Spring 2020)
  • MATH 1500 - Calculus I (Fall 2019)
  • MATH 1160 - Precalculus (Spring 2019, Fall 2018)