**IMSAC Days in Sofia **

**Start date:** 08.08.2024

**End date:** 10.08.2024

**Event location:** Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences

The event is jointly organized by the **International Centre for Mathematical Sciences (ICMS-Sofia)** at the Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, and the **Institute for the Mathematical Sciences of the Americas (IMSA)** at the University of Miami, with the financial support of the ** Simons Foundation**.

**Organizers: **

**Julian Revalski, **Bulgarian Academy of Sciences, Sofia

**Ludmil Katzarkov, **University of Miami and Institute of Mathematics and Informatics, Sofia

**Velichka Milousheva, **Institute of Mathematics and Informatics, Sofia

**Oscar García-Prada, **Instituto de Ciencias Matemáticas— ICMAT, Madrid

**Ernesto Lupercio, **Cinvestav, Mexico

**Phillip Griffiths**, Institute for Advanced Study, USA and University of Miami

This small event is to celebrate the very successful collaboration between the institutes involved in the ** Institute of the Mathematical Sciences of the Americas Consortium (IMSAC)**, solidify our connections and expand even more the prosperous cooperation.

**Speakers:**

**Yuri Tschinkel**, Courant Institute at New York University, USA**Phillip Griffiths**, Institute for Advanced Study and University of Miami, USA**Oscar García-Prada**, Instituto de Ciencias Matemáticas— ICMAT, Madrid**Jaqueline Mesquita**, Department of Mathematics at University of Brasília, Brazil**Ernesto Lupercio**, Cinvestav, Mexico**Lino Grama**, University of Campinas – UNICAMP, Brazil**Leonardo Francisco Cavenaghi**, University of Campinas – UNICAMP, Brazil, and University of Miami, USA**Anna Maria Fino,**University of Torino, Italy and Florida International University, USA**Yong-Geun Oh**, IBS Center for Geometry and Physics, South Korea**Rodolfo Aguilar**, University of Miami, USA**Misha Shkolnikov**, Institute of Mathematics and Informatics, Sofia, Bulgaria**Vladimir Mitankin**, Institute of Mathematics and Informatics, Sofia, Bulgaria

The conference will be held in the Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences, Sofia.

**Programme**

## August 8, 2024 (Thursday)

**10:00 – 11:00** ** Yuri Tschinkel**, Birational geometry of cubics

11:15 – 12:15

11:15 – 12:15

**, Applications of the Blow-Up Formula for Chen-Ruan Cohomology in Stacks**

*Leonardo Francisco Cavenaghi**Lunch break*

**14:00 – 15:00** ** Oscar García-Prada**, Relative higher Teichmüller spaces and parabolic Higgs bundles

15:30 – 16:30

15:30 – 16:30

**, Brauer-Manin obstruction theory for semi-integral points**

*Vladimir Mitankin*

16:45 – 17:45

16:45 – 17:45

**, Hodge theory II: Infinitesimal Hodge theory and odd dimensional cubics**

*Phillip Griffiths*

17:45 – 18:45

17:45 – 18:45

**, Strong G2-structures with torsion**

*Anna Maria Fino*## August 9, 2024 (Friday)

**10:00 – 11:00 Ernesto Lupercio** Hodge Polynomials for Non-Algebraic Complex Manifolds

11:15 – 12:15

11:15 – 12:15

**, Generalized Log Transform and Its Applications**

*Lino Grama**Lunch break*

**14:00 – 15:00** ** Jaqueline Mesquita**, Functional differential equations with state-dependent delays: results and applications

15:15 – 16:15

15:15 – 16:15

**, On the universal cover of projective varieties**

*Rodolfo Aguilar***16:30 – 17:30**

**, Strict contactomorphisms are scarce**

*Yong-Geun Oh***17:45 – 18:45**

**Topology of radial degenerations**

*Misha Shkolnikov,*-
Tap on the title of the talk to see the abstract