## Group actions in Differential Geometry

Organizers:

• Romina M. Arroyo, Universidad Nacional de Córdoba, Argentina
• Carolyn Gordon, Dartmouth College , USA
• Ramiro A. Lafuente, The University of Queensland, Australia

Contact organizer:

• Romina M. Arroyo, Universidad Nacional de Córdoba, Argentina, This email address is being protected from spambots. You need JavaScript enabled to view it.

Schedule:

• Wednesday 14, 11:00 to 16:00 UTC-3.
• Friday 16, 16:00 to 21:00 UTC-3.
• Friday 23, 16:00 to 21:00 UTC-3.

##### Wednesday, July 14, 11:00 ~ 16:00
 11:00 ~ 11:30 Manifold submetries, with applications to Invariant Theory Marco Radeschi - University of Notre Dame, United States 11:40 ~ 12:10 Lie theory for groupoids and compatible geometries Alejandro Cabrera - Universidade Federal do Rio de Janeiro, Brasil 12:20 ~ 12:50 Prescribing Ricci curvature on a product of spheres Anusha Krishnan - Syracuse University, USA 14:00 ~ 14:30 Infinitesimal maximal symmetry for some solvmanifolds Michael Jablonski - University of Oklahoma, USA 14:40 ~ 15:10 Submanifolds of Noncompact Homogeneous Spaces with Special Curvature Properties Megan Kerr - Wellesley College, USA 15:20 ~ 15:50 Minimal 2-spheres in ellipsoids of revolution Renato Bettiol - CUNY (Lehman College), USA
##### Friday, July 16, 16:00 ~ 21:00
 16:00 ~ 16:30 On some non-canonical abelian almost 3-contact structures on Lie groups Adrián Andrada - Universidad Nacional de Córdoba - CONICET, Argentina 16:40 ~ 17:10 Killing forms on nilpotent Lie groups Viviana del Barco - Universidade Estadual de Campinas, Brazil 17:20 ~ 17:50 The geodesic flow on Lie groups Gabriela Paola Ovando - Universidad Nacional de Rosario and CONICET, Argentina 19:00 ~ 19:30 The classification of ERP $G_2$-structures on Lie groups Marina Nicolini - Universidad Nacional de Córdoba, Argentina 19:40 ~ 20:10 $SO(2)\times SO(3)$-invariant Ricci solitons and ancient flows on $\mathbb{S}^4$ Timothy Buttsworth - The University of Queensland, Australia 20:20 ~ 20:50 Mountain pass approach to the prescribed Ricci curvature problem Artem Pulemotov - The University of Queensland, Australia
##### Friday, July 23, 16:00 ~ 21:00
 16:00 ~ 16:30 Diameter and Laplace eigenvalue estimates for left-invariant metrics on compact Lie groups Emilio Lauret - Universidad Nacional del Sur, Argentina 16:40 ~ 17:10 Low-dimensional double disk bundles Fernando Galaz-García - Durham University, United Kingdom 17:20 ~ 17:50 A diameter gap for isometric quotients of the unit sphere Claudio Gorodski - University of São Paulo, Department of Mathematics, Brazil 19:00 ~ 19:30 Torus representations with connected isotropy groups: Structural results and applications Lee Kennard - Syracuse University, U.S.A. 19:40 ~ 20:10 Torus actions on Alexandrov $4$-spaces Jesús Núñez-Zimbrón - CIMAT, Mexico 20:20 ~ 20:50 Upper bound on the revised first Betti number and torus stability for RCD spaces Raquel Perales - IMATE UNAM, Oaxaca , Mexico

##### All abstracts

View all abstracts of this session