Jiewei Xiong

[tɕjɛ55 weɪ35 ɕjʊŋ35]

Postal address:
Department of Mathematics and Statistics
Mathematics Building
University of Reading
Whiteknights campus
Reading RG6 6AX
United Kingdom

Email:
jiewei.xiong at pgr.reading.ac.uk (academic)
erwinschulhoff at proton.me (general)

Tel: +44 7311 443981

I'm a PhD student at Reading. I'm now looking at unlikely intersections in (mixed) Shimura varieties.

Education

• Sept 2025– : PhD, University of Reading
• Working on and around the Zilber–Pink conjecture
• Supervisor: Dr Christopher Daw
• Sept 2024–Sept 2025: MSc, Pure Mathematics, Imperial College London
• Project: Torsor obstructions to rational points on varieties over global function fields
• Supervisor: Dr Margherita Pagano
• Sept 2021–June 2024: BSc, Mathematics, University of Warwick
• Essay: Generalised Fibonacci sequences in real numbers and symmetric groups
• Tutor: Dr Xinyu He

Lecture notes I typed

• Analysis III, Oleg Zaboronski
• Introduction to group theory, Gareth Tracey
• Groups and representations, Christian Ikenmeyer
• Rings and modules, Dmitriy Rumynin
• Elliptic curves, Yankı Lekili
• Algebraic curves, Soheyla Feyzbakhsh
• Algebra 3, Alessio Corti
• Galois theory, Alexei Skorobogatov
• Algebra 4, Oliver Gregory
• Algebraic number theory, Margherita Pagano
• Modular forms, Jens Funke

Expository notes

These are short notes I've written to clarify things (mainly to myself but I hope they are helpful/interesting to you too).

• Maximal spectra and ultraschemes
• An exercise of Milne
• A glossary of algebraic geometry

Outreach/teaching

• June–August 2023: Proofread Dr Siri Chongchitnan's Exploring University Mathematics with Python, published by Springer later that year
• July 2020: Gave 12 online two-hour lectures on university-level linear algebra to Year 9 students during the pandemic

Useful links

• Links to EGA scanned by Numdam (bibliographic information): I, II, III/1, III/2, IV/1, IV/2, IV/3, IV/4
• Links to SGA from various sources (bibliographic information): 1, 2, 3/1, 3/2, 3/3, 4, 4½, 5, 6, 7/1, 7/2
• A list of upcoming conferences [MathMeetings.net]
• Mailing lists:
  • COWalggeom (Cambridge, Oxford and Warwick algebraic geometry)
  • LNTS (London Number Theory Seminar)
  • Am-l (run by Universiteit Utrecht)
  • NMBRTHRY (Number Theory Net)
• A model-theoretic map of theories
• Grothendieck's Récoltes et Semailles
• A demonstration of how (at least for now) incredibly useless LLMs are in mathematical thinking

Besides maths

• My favourite poems
• Stills from my favourite films
• A list of upcoming classical music concerts in the UK that follows a Michelin-Guide fashion (I sort them into three categories)
• My Soulseek username is jiewei
• With some friends, I compiled a (nearly complete) discography of the Japanese label Canyon Classics, who produced some of my favourite albums
• A rant on dashes and hyphens
• Portraits of people at the Parliament Square in London on the afternoon of 9th August 2025

Guess which score I'm reading?