William Yun Chen

Assistant Professor

Research Interests

Moduli of elliptic curves, noncongruence subgroups of SL(2,Z), Hurwitz spaces, Galois theory, combinatorial group theory

Additional Campus Affiliations

Assistant Professor, Mathematics

Recent Publications

Chen, W. Y., & Salter, N. (2025). FAMILIES OF ELLIPTIC CURVES OVER THE FOUR-POINTED CONFIGURATION SPACE AND EXCEPTIONAL SEQUENCES FOR THE BRAID GROUP ON FOUR STRANDS. Proceedings of the American Mathematical Society, 153(8), 3253-3262. https://doi.org/10.1090/proc/17221

Chen, W., Kontorovich, A., & Sikander, S. (2025). Remarks on the Z/p Dijkgraaf-Witten Invariants of 3D Mapping Tori. Communications in Mathematical Physics, 406(5), Article 119. https://doi.org/10.1007/s00220-025-05279-5

Chen, W. Y. (2024). Nonabelian level structures, Nielsen equivalence, and Markoff triples. Annals of Mathematics, 199(1), 301-443. https://doi.org/10.4007/annals.2024.199.1.5

Bell, R., Booher, J., Chen, W. Y., & Liu, Y. (2022). Tamely ramified covers of the projective line with alternating and symmetric monodromy. Algebra and Number Theory, 16(2), 393-446. https://doi.org/10.2140/ant.2022.16.393

Chen, W. Y. (2018). Moduli interpretations for noncongruence modular curves. Mathematische Annalen, 371(1-2), 41-126. https://doi.org/10.1007/s00208-017-1575-6

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