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Geometry and topology under positive/nonnegative sectional curvature

Grant number:17/10892-7
Support Opportunities:Regular Research Grants
Start date: August 01, 2017
End date: April 30, 2018
Field of knowledge:Physical Sciences and Mathematics - Mathematics - Geometry and Topology
Principal Investigator:Llohann Dallagnol Sperança
Grantee:Llohann Dallagnol Sperança
Host Institution: Instituto de Ciência e Tecnologia (ICT). Universidade Federal de São Paulo (UNIFESP). Campus São José dos Campos. São José dos Campos , SP, Brazil
City of the host institution:São José dos Campos

Abstract

This project is dedicated to the study of rigidity and obstructions for foliations and submersion on manifolds with positive or non-negative sectional curvature. The motivation of this project is the relation between topology and sectional curvature along with the common interaction between geometric constructions and symmetry: to mention, the main source of examples of non-negatively and positively curved spaces are homogeneous spaces or direct variations. In this project, such symmetries appear as Riemannian foliations. The purpose of the project is to address problems such as the following: - Classify totally geodesic folations in symmetrical spaces - Prove structural theorems for manifolds with non-negative curvature - Approach structural conjectures on manifolds of positive curvature - Construct examples of new manifolds with non-negative/positive curvature - Study metric variations through submersions and group actions (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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Articles published in other media outlets ( ):
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Scientific publications
(The scientific publications listed on this page originate from the Web of Science or SciELO databases. Their authors have cited FAPESP grant or fellowship project numbers awarded to Principal Investigators or Fellowship Recipients, whether or not they are among the authors. This information is collected automatically and retrieved directly from those bibliometric databases.)
CAVENAGHI, LEONARDO F.; J M E SILVA, RENATO; SPERANCA, LLOHANN D.. Positive Ricci curvature through Cheeger deformations. COLLECTANEA MATHEMATICA, v. N/A, p. 30-pg., . (17/10892-7, 17/19657-0)
CAVENAGHI, LEONARDO F.; SPERANCA, LLOHANN D.. On the Geometry of Some Equivariantly Related Manifolds. INTERNATIONAL MATHEMATICS RESEARCH NOTICES, v. 2020, n. 23, p. 9730-9768, . (09/07953-8, 17/10892-7, 12/25409-6)