**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.

More information is coming soon.

**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

**11:15 – 12:15** ** Lino Grama**, Generalized Log Transform and Its Applications

*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,*