Adela YiYu Zhang

I'm a postdoc at the Centre for Geometry and Topology, University of Copenhagen. Starting September 2026, I will be an associate senior lecturer at the Center for Mathematical Sciences, Lund University.

I was a Marie Curie postdoctoral fellow at University of Copenhagen from April 2024 to March 2026, funded by the European Union (project no. 101150469). I received my Ph.D. at MIT in July 2023. My advisor was Haynes Miller and I was coadvised by Jeremy Hahn. Before that I was an undergrad at MIT. Here is my cv.

I'm broadly interested in stable homotopy theory and its applications to manifold theory. Most recently I have been studying the interaction between synthetic, chromatic, and equivariant stable homotopy theory, as well as understanding extended topological field theories and their local-to-global principles.

Email: yz at math dot ku dot dk

Publications and accepted papers

Bounding the K(p−1)-local exotic Picard group at p>3 with Irina Bobkova, Andrea Lachmann, Ang Li, Alicia Lima, and Vesna Stojanoska. (2024) Accepted by Topology and its Applications.
Inertia groups of (n-1)-connected 2n-manifolds with Andrew Senger. (2022) Journal für die reine und angewandte Mathematik (Crelles Journal), 2025. DOI 10.1515/crelle-2025-0050
Operations on spectral partition Lie algebras and TAQ cohomology. (2022) Geometry & Topology 29-9 (2025), 4477--4529.
Mod p homology of unordered configuration spaces of p points in parallelizable surfaces with Matthew Chen. (2022) Proceedings of the American Mathematical Society 152 (2024), no. 5, 2239–2248.
Quillen homology of spectral Lie algebras, with application to mod p homology of labeled configuration spaces. (2021) Algebraic & Geometric Topology 25-4 (2025), 1945--1997.
Diagonal form of the Verchanko matrices with Yibo Gao. Journal of Algebraic Combinatorics 48 (3), 351-368, 2018.

Preprints

Universal property of graph cobordisms, with Andrea Bianchi. (2026)
Open 2D TFTs admit initial open-closed extensions, with Shaul Barkan and Jan Steinebrunner. (2025)
An equivariant Adams spectral sequences for tmf(2), with Jeremy Hahn, Andrew Senger, and Foling Zou. (2025)

Organizational experiences

I am an organizer of the Algebra/Topology seminar at the University of Copenhagen.
I co-organized the masterclass on Cobordism categories, February 17-21, 2025 at the University of Copenhagen.
I was an organizer of the conference Celebrating women in mathematical sciences, May 16-17, 2024 at the University of Copenhagen.
I co-organized the masterclass on Homotopical methods in manifold theory, April 15-19, 2024 at the University of Copenhagen.
In fall 2022, I co-organized the MIT Juvitop seminar on K(n)-local E_infinity rings and the Chromatic Nullstellensatz.
In spring 2022, I co-organized the MIT Juvitop seminar on Goodwillie calculus and spectral (partition) Lie algebras.
In summer and fall 2020, I orgainzed the MIT topology seminar.

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