Moduli on Chestnut Hill

March 5-7, 2020

Fulton Hall 511, Boston College


Melody Chan (Brown University)

Olivia Dumitrescu (Central Michigan University)

Yu-Wei Fan (University of California, Berkeley)

Yunfeng Jiang (University of Kansas)

Jesse Kass (University of South Carolina)

Carl Lian (Columbia University)

Motohico Mulase (University of California, Davis)

Jingchen Niu (University of Arizona)

Ritvik Ramkumar (University of California, Berkeley)

Nicola Tarasca (Virginia Commonwealth University)

Rachel Webb (University of Michigan)


Dawei Chen and Qile Chen (Boston College)


Please find the abstracts here.


All lectures will be held at Fulton Hall 511, see the interactive BC campus map. For parking and public transportation, see the visitor info.


For lunch, Corcoran Commons (campus dining hall) is open, and El Pelon / Crazy Dough's Pizza (Brighton branches) are also within walking distance. For dinner, there are several restaurants near the AC hotel, and more options can be found in Washington Square (about 20 minute walk from the hotel).


Fill the reimbursement form and follow the instruction therein.


Thursday, March 5

9-9:30: Registration

9:30-10:30: Melody Chan: The S_n-equivariant top-weight Euler characteristic of M_{g,n}

10:30-11: Coffee Break

11-12: Carl Lian: Quasi-modularity of d-elliptic loci on moduli spaces of curves

12-1:30: Lunch

1:30-2:30: Ritvik Ramkumar: On the tangent space to the Hilbert scheme of points in P^3

2:30-3: Coffee Break

3-4:30: Short Presentations

Friday, March 6

9:30-10:30: Nicola Tarasca: Vertex algebras of CohFT-type

10:30-11: Coffee Break

11-12: Jesse Kass: How to count curves arithmetically

12-1:30: Lunch

1:30-2:30: Jingchen Niu: A theory of stacks with twisted fields and resolution of moduli of stable maps

2:30-3: Coffee Break

3-4: Rachel Webb: Virtual cycle on the moduli space of maps to a complete intersection

4:15-5:15: Yunfeng Jiang: Twisted Vafa-Witten invariants and the S-duality conjecture

Saturday, March 7

9:30-10:30: Yu-Wei Fan: New rational cubic fourfolds arising from Cremona transformations

10:30-10:45: Coffee Break

10:45-11:45: Olivia Dumitrescu: Quantum curves and opers​

12-1: Motohico Mulase: Conformal limit of Gaiotto and holomorphic Lagrangian geometry

This workshop is partially supported by the National Science Foundation.