The Geometry Research Group at IME USP


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 The Geometry Seminar at IME-USP is organized by Prof. Marcos Alexandrino and Prof. Paolo Piccione and  supported by Projeto Temático-Fapesp of Prof.  Paolo Piccione ( Fapesp 2016/23746-6/Fapesp: 2011/21362-2)

  USP-UNICAMP Geometry Seminar (new!): This is a joint seminar that is organized by the research groups of IMECC-Unicamp (organizers: Prof. Lino Grama and Prof.  Henrique Sa' Earp)  and IME-USP (organizers: Prof. Marcos Alexandrino and Prof. Paolo Piccione). (see also http://www.ime.unicamp.br/~geodif/


Next talks and events:

  • Dezember  8, 2017, 2017 14:00h  
  • Title: Killing foliations via deformations
  • Speaker: Francisco Carlos Caramello Junior (UFScar)
  • Abstract: Serão abordados alguns resultados obtidos durante o doutorado do palestrante, sob a orientação do prof Dirk Töben, versando principalmente sobre folheações de Killing, uma subclasse das folheações Riemannianas. Neste trabalho mostramos que uma variedade admitindo uma folheação de Killing com curvatura seccional transversa positiva e posto de simetria transverso máximo se fibra sobre quocientes finitos de esferas ou espaços projetivos complexos com pesos. Este e outros resultados similares são obtidos via uma técnica de deformação que desenvolvemos que nos permite deformar uma tal folheação em uma fibração de Seifert generalizada de uma maneira que sua geometria transversa seja preservada, o que por sua vez nos possibilita aplicar resultados da geometria Riemanniana de orbifolds ao espaço das folhas. Usamos este método de deformação para mostrar também que folheações de Killing com curvatura seccional transversa positiva e um número suficiente de simetrias transversas deve ter característica de Euler transversa positiva.
  • place: B143



   
    Future talks and events:

  

Previous talks:

  • November 24, 2017 14:00h  
  • Title: Curvatura harmônica – nenhum caso genérico
  • Speaker: Prof. Andrzej Derdzinski (Ohio)
  • November 24, 2017 16:30h
  • Title: Folheações ortogonais em variedades riemannianas
  • Speaker: Euripedes carvalho (Ime-USP/ IFCE-Ceará) 
  • November 24, 2017 15:00h
  • Title: Principais Resultados sobre a Conjectura de Chern
  • Speaker: Prof. Luiz Amancio Jr. (Uni-Rio)
  • Abstract: vide Link  
  • November 10, 2017 15:15h
  • Title: Navegando em um espaço folheado
  • Speaker: Benigno Alves (IME-USP) 
  • USP-Unicamp Seminar (at IME-USP)
  • November 10, 2017 15:30h
  • Title: Imersões e Spinors
  • Speaker: Prof.  Rafael Leão  (Unicamp)
  • October 20 2017 , 2017 14h
  • Title:  Real geometric quantisation of K3 surfaces
  • Speaker: Dr. Romero Solha  (Puc-rio)

  • USP-Unicamp Geometry seminar
  • October 6 2017, 2017 14h
  • Title:  The Geometry of Orbit Spaces:Quaternionic-torus reductions.
  • Speaker: Dr. Francisco J. Gozzi (USP/UFABC)
  • Place: Imecc-Unicamp
  • USP-Unicamp Geometry seminar
  • October 6 2017, 2017 15h
  • Title:  Construction of G2G2-instantons via twisted connected sums
  • Speaker: Prof. Henrique Sá Earp (UNICAMP)
  • Place: Imecc-Unicamp

  • September 29, 2017 14h
  • Title:  Aplicações de Deformações de Cheeger em curvatura positiva
  • Speaker: Leonardo Francisco Cavenaghi (Unicamp)
  • September 29, 2017 15h
  • Title:  On some equivariantly related G-manifolds (continuation of Leonardo's talk)
  • Speaker:Prof. Llohann Dallagnol Sperança
  • September 22, 2017 14h
  • Title: The Geometry of Orbit Spaces:Quaternionic-torus reductions
  • Speaker: Dr. Francisco J. Gozzi (usp/ ufabc)
  • September 15, 2017, 14h
  • Title:  Complete minimal submanifolds with nullity in space forms.
  • Speaker: Prof. Marcos Dajczer -impa 
  • September 15, 2017 15h
  • Title: Minimal hypersurfaces in compact symmetric spaces
  • Speaker: Dr. Ricardo Mendes- Uni zu Koeln
  • August 11, 2017, at 11:00h
  • Title: Riemannian Yang-Mills connections with quadratic constraints
  • Speaker: Prof. Andrzej Derdzinski, The Ohio State University

  • July 07, 2017, at 14:00h
  • Title: On the moduli space of isometric surfaces with the same mean curvature in 4-dimensional space forms
  • Speaker: Prof. Theodoros Vlachos (at ime-usp)
  • June 23, 2017, at 14:00h
  • Title: Configuraçoes de Bandeiras
  • Speaker: Prof. Elisha Falbel (Université Paris 6 )
  • June 9, 2017: at 14:00h  
  • Title: Gelfand pairs, Symmetric Spaces and Symplectic Realizations
  • Speaker:  Prof.  Rui Loja Fernandes (University of Illinois)
  • June 2, 2017: at 14:00h  
  • Title: A new class of minimal submanifolds    
  • Speaker:  Prof.  Marcos Dajczer (IMPA)
  • May 26, 2017 2017: at 14:00h  
  • Title: Curvatura extrínseca de órbitas de representações   
  • Speaker: Artur Bicalho (IME-USP)
  • May 12, 2017: at 14h  
  • Title: Holomorphic curves and symplectic embedding problems   
  • Speaker:  Dr Keon Choi (IME-USP)
  • May 9, 2017: at 14:30h  
  • Title: Harmonic curvature in dimension four   
  • Speaker:  Prof.  Andrzej Derdzinski
  • USP-Unicamp Geometry seminar
  • May 5, 2017: at 15h  
  • Title: Rigidity and Vanishing of Basic Dolbeault Cohomology of Sasakian Manifolds       
  • Speaker: Prof. Dirk Toeben (Ufscar)
  • Place  Imecc-Unicamp
  • USP-Unicamp Geometry seminar
  • May 5, 2017: at 14h  
  • Title: Closure of singular foliations: the proof of Molino's conjecture         
  • Speaker: Prof. Marcos M. Alexandrino (IME-USP)
  • Place: - Imecc-Unicamp
  • April 28, 2017: at 14h  
  • Title: On the geometry of submanifolds of the conformal sphere         
  • Speaker: Prof. Marco Magliaro (UFC)
  • April 28, 2017: at 15h  
  • Title: T-duality on nilmanifolds       
  • Speaker: Dr. Viviana del Barco (Unicamp) 

  • USP-Unicamp Geometry seminar
  • April 07,  2017 at 14h
  • Title:Entire unbounded constant mean curvature Killing graphs. 
  • Speaker: Prof. Marcos Dajczer (IMPA)
  • Place: at IME-USP

  • USP-Unicamp Geometry seminar
  • April 07, 2017: at 15h  
  • Title: Gauge theory and G2-geometry on Calabi-Yau        
  • Speaker: Dr.Lazaro Rodríguez  (IMECC)
  • Place: at IME-USP

  • March 31, 2017: at 16h  
  • Title:String structures and Courant Reductions         
  • Speaker: Dr Pedram Hekmati (IMPA)
  • March 30, (thursday) 2017 at 14h
  • Title: Totally geodesic Riemannian foliations on Lie groups 
  • Speaker: Prof. Llohann Dallagnol Sperança (Unifesp)

  • March 27, 29,31 2017
  • Lectures: Subvariedades e ações isométricas em espaços simétricos de tipo não compacto
  • Speaker:  Prof. Miguel Vazquez (Madrid Spain)

  • March 21, 2017 (tuesday): at 14h  
  • Title: Capacidades simplécticas dos espaços Hermitianos simétricos,         
  • Speaker:  Prof. Roberto Mossa
  • March  16, 2017 (thursday) at 14h
  • title: Kähler manifolds with geodesic holomorphic gradients
  • Speaker:  Andrzej Derdzinski (The Ohio State University)
  • February 6, 2017 : at 14h  
  • Title: The space of positive scalar curvature metrics
  • Speaker:  Prof. Bernhard Hanke

  • 2016-11-25: at 14h  
  • Title: Homotopy Invariance in Lie Theory
  • Speaker:  Dr. Pedro Frejlich
  • 2016-11-11: at 14h  
  • Title: Wind Finslerian structures: from Zermelo's navigation to the causality of spacetimes
  • Speaker:  Prof.  Miguel Angel Javaloyes(Murcia-Spain)

  • 2016-11-04: at 14h  
  • Title: Closure of singular foliations: the proof of Molino's conjecture
  • Speaker: Prof. Marcos. M. Alexandrino (IME-USP)
  • 2016-10-21: at 14h  
  • Title: Compatible triples on Lie algebroids with vector bundle metric
  • Speaker: Prof. Nicolas Martinez
  • 2016-10-07: at 14h  
  • Title:  Teoria de Teichm\"uller e Colapso de Variedades Planas
  • Speaker: Paolo Piccione
  • 2016-08-26: at 14h  
  • Title:  The Log-Convex Density Conjecture
  • Speaker:   Prof. Frank Morgan (Williams College)
  • 2016-08-26: at 15:20h  
  • Title: Stability of measures on compact kahler manifold
  • Speaker: Prof. Leonardo Billiot (Parma) 
  • 2016-07-01: at 14h  
  • Title:  Subvariedades Reais em Espaços Complexos
  • Speaker:   Dr. Valentin Burcea
  • 2016-06-24: at 14h  
  • Title:  Gauge theory on contact 5-manifolds
  • Speaker:  Dr Pedram Hekmati (impa)
  • 2016-06-17: at 14h  
  • Title:  Totally Geodesic Riemannian Foliations on Lie Groups
  • Speaker:  Prof. Llohann Dallagnol Sperança (Centro Politécnico da UFPR)

  • 2016-05-20: at 14h  
  • Title:  Superfícies umbílicas do produto de duas formas espaciais.
  • Speaker: Prof. Jaime Leonardo Orjuela Chamorro (IM-UFBA)
  • 2016-05-20: at 15h  
  • Title:  The curvature of orbit spaces
  • Speaker: Prof. Claudio Gorodski (IME-USP)
  • 2016-05-13: at 14h  
  • Title:  Ciclos folheados em variedades complexas
  • Speaker:  Lucas Kaufmann  (Paris 06)
  • 2016-05-06: at 14h  
  • Title:  The Euler class of an umbilic foliation.
  • Speaker:  Ícaro Gonçalves (IME-USP)
  • 2016-04-29 at 14h  
  • Title:  Hypersurfaces with constant mean curvature and three principal curvatures in S^{n+1}.
  • Speaker: Prof. Sebastião Carneiro de Almeida (UFC)
  • 2016-04-01 at 14h  
  • Title:  Cuts, surgeries and toric contact structures
  • Speaker: Prof Miguel Abreu (Instituto Superior Técnico, Lisboa)
  • 2016-04-01 at 15h  
  • Title:   Some applications of Lorentzian geometry to Teichmuller geometry
  • Speaker:Prof. François Fillastre (France)
  • 2015-11-19 at 15h  (thursday)
  • Title:   Transverse measures and densities: from leaf spaces to differentiable stacks.
  • Speaker: João Nuno Mestre
  • 2015-11-06 at 14h 
  • Title:   Gauge theory on stacks
  • Speaker:  Prof. Ugo Bruzzo (Scuola Internazionale Superiore di Studi Avanzati -Trieste/ UFSC)
  • 2015-10-23 at 14h 
  • Title:    Folheações polares nos espaços projetivos quaterniónicos.
  • Speaker:  Dr. Miguel Domínguez Vázquez (Impa)
  • 2015-10-23 at 15h 
  • Title:  Isoparametric hypersurfaces in complex hyperbolic spaces.
  • Speaker:  Víctor Sanmartín López (Universidade de Santiago de Compostela)

  • 2015-10-16 at 14h 
  • Title:   The shape space defined by the Gromov-Wasserstein distance
  • Speaker:  Prof. Facundo Memoli (Ohio State University)
  • 2015-10-09 at 14h 
  • Title:  Blow-ups of isometric actions and applications
  • Speaker: Prof. Marcos Alexandrino (IME-USP)
  • 2015-10-02 at 15:00h
  • Title:  Campos de Darboux em subvariedades de codimensão 2 contidas em hipersuperfícies.
  • Speaker: Prof. Marcos Craizer (PUC-Rio)
  • 2015-10-02 at 14:00h.
  • Title:  A Poincaré-Birkhoff theorem for Reeb flows on the tight $3$-sphere
  • Speaker: Prof.  Pedro Salomão  (IME-USP)
  • 2015-9-28 at 11h (monday-special section)
  • Title:  Rank rigidity in dimension 3
  • Speaker: Dr. Renato Bettiol (Upenn)
  • 2015-9-25 at 14h
  • Title:  On a Result of Berger.
  • Speaker: Prof. Llohann Dallagnol Sperança (UFPR)
  • 2015-9-18 at 14h
  • Title:  Lie groupoids and vector fields on differentiable stacks
  • Speaker: Prof. Cristián Ortiz (IME-USP)
  • 2015-9-04 at 14h
  • Title:  Smooth functions constant on the leaves of singular Riemannian foliations.
  • Speaker: Dr.  Ricardo Mendes (WWU-Munster)
  • 2015-8-28 at 14h
  • Title:  Min-max, phase transitions and minimal hypersurfaces
  • Speaker:   Marco Méndez (Impa)
  • 2015-8-28 at 15h
  • Title:  Cohomologia básica equivariante de uma folheação Riemanniana
  • Speaker:  Prof Dirk Toeben (UFscar)
  • 2015-8-28 at 16h
  • Title:  IHyperbolic volumes of polyhedra with symmetries
  • Speaker:   Prof. Nikolay Abrosimov (Sobolev Institut of Mathematics-Russia)
  • 2015-8-21 at 14h
  • Title:  Integração e fórmulas de localização em geometria simplética
  • Speaker:  Carolina Torres Lozano (IME-USP)

  • 2015-8-14 at 14h
  • Title:  Rigidity of generalized graph manifold
  • Speaker:  Prof. Wolfgang Ziller (Upenn) 

  • 2015-8-07 at 14h
  • Title:  Representations of 3-manifold fundamental groups into SL(n,C)
  • Speaker:  Prof. Elisha Falbel (Université Paris 6)
  • 2015-8-07 at 15h
  • Title: Constant scalar curvature Kahler metrics on manifolds. 
  • Speaker:  Prof. Bianca Santoro (CUNY)

  • Date:  2015-8-07 at 16:30h.
  • Title: Mass in Kahler geometry
  • Speaker:  Prof. Hans Joachim Hein (University of Maryland)
  • 2015-7-03 at 11h
  • Title: Special Lagrangian Curvature
  • Speaker:  Prof. Graham Smith (UFRJ)
  • 2015-7-03 at 14h
  • Title: Estendendo subvariedades nos espaços simétricos de tipo não compacto
  • Speaker:  Dr. Miguel Dominguez Vázquez (IMPA)
  • Date: 2015-06-19| 2015-06-26|  2015-7-03 at 15:15
  • Title: (Workshop) Constructing Polar Actions
  • Speaker:  Dr. Franscisco Gozzi (IME-USP)
  • 2015-6-26 at 14h
  • Title: Singular subalgebroids and their integration
  • Speaker: Prof Marco Zambon (KU Leuven)
  • Date:  2015-6-12 at 14h.
  • Title:  The asymptotic Plateauís problem for minimal submanifolds and CMC hypersurfaces in a Hadamard manifold
  • Speaker:  Prof. Jaime Ripoll - Universidade Federal do R. G. do Sul.
  • Date:  2015-03-27 at 14h.
  • Title:  Convexity of the solutions to the constant mean curvature spacelike surface equation in $\mathbb{L}^3$
  • Speaker: Dr. Alma Albujer (University of Córdoba-Spain)
  • Date:  2015-03-27 at 15h.
  • Title:  Dual characterizations of the $n$-dimensional sphere and hyperbolic space
  • Speaker:  Dr. Magdalena Caballero (University of Córdoba- Spain)

  • Date:  2015-03-20 at 14h.
  • Title:  Homotopy type of spaces of curves with constrained curvature on flat surfaces.
  • Speaker:  Dr. Pedro Zühlke (IME-USP)
  • Date:  2015-03-13 at 14h.
  • Title:  Existence and caracterization of isoperimetric regions in locally asymptotically Euclidean Riemanniana manifolds.
  • Speaker:  Prof. Stefano Nardulli (UFRJ) 
  • Date: 2014-11-07  (friday) at 14h00
  • Title: Categoría tangente de folheações e teoría de pontos críticos
  • Speaker:  Dr. Carlos Menino (Puc-Rio)
  • Date: 2014-10-17  (friday) at 14h00
  • Title: Ehresmann Theorem for stacks
  • Speaker:  Dr. Matias L. del Hoyo (IMPA)
  • Date: 2014-10-10  (friday) at 14h00
  • Title: Mean curvature flow of orbits of isometric actions
  • Speaker:  Prof. Marcos M. Alexandrino  (IME-USP) 
  • Date: 2014-09-26  (friday) at 14h00
  • Title: Laçós nao triviais no grupo fundamental do grupo de difeomorfismos das orbitas coadjuntas.
  • Speaker:  Prof. David Martínez Torres (PUC-rio) 
     
  •  Date: 2014-09-26, 15h
  • Title: G-Estruturas (parte II)
  • Speaker: Prof. Ivan Struchiner (IME-USP)
  • Location: Sala 266-A

  • Date: 2014-09-19   (friday) at 14h00
  • Title: Números Caraterísticos de Variedades e Folheações via Localização
  • Speaker:  Prof. Dirk Toeben (UFSCar)
     
  • Date: 2014-08-29 (friday) at 14h00
  • Title: Zermelo navigation and flag curvature in pseudo-Finsler metrics
  • Speaker:  Prof  Miguel Angel Javaloyes  (Murcia-Spain).
 
  • Date:   2014-08-15 (friday) at 14h00
  • Title: Ações Polares de Dimensão Baixa
  •  Speaker: Francisco J. Gozzi (IMPA)
  • Date:  14-08-08 at 14h00
  • Title: Ações isométricas em esferas cujo espaço de órbitas é um orbifold Riemanniano
  • Speaker: Prof: Claudio Gorodski (IME-USP)
  • Date:  14-05-30 at 11h00
  • Título : Folheações isoparamétricas não homogêneas e números primos.
  • Speaker: Dr. Miguel Domínguez Vázquez (Impa).
  • Date:  14-05-30, at 14h00
  • Title: Título: Uma limitação para a norma do supremo de autofunções do Laplaciano em variedades riemannianas de volume infinito
  • Speaker: Patricia Kruse Klaser (UFRGS)

  • Date:  14-04-16 at 15h00
  • Title: Surface Theory in the product of pseudo-Riemannian two-manifolds
  • Speaker: Dr. Nikos Georgiou (UFSCar)


  • Date: 4-04-14 , 14h
  • Title: Entire bounded constant mean curvature Killing graphs
  • Speaker: Prof. M. Dajczer (IMPA)
     
  • Date 4-04-14   15hs: 
  • Title: Exceptional minimal surfaces in spheres
  • Speaker: Th. Vlachos (Ioannina, Grécia)
  • Date: 28/ 03/ 14- 14h
  • Title:  Yamabe-type equations with sign-changing nonlinearity on non-compact manifolds.
  • Prof. Luciano Mari (UFC)
  • Sala: B-09
     
  • Date 28/03/13- 15h
  • Title:O teorema de Gauss Bonnet no espaço de Heisenberg H^1 do ponto de vista subriemanniano
  • Prof:Prof. José Veloso (UFPA)
  • Sala B-09

  • Date: 29/11/13- 14h
  • Title: Isoperimetric regions in cylinder spaces
  • Speaker: Prof. Jesus Gonzalo Perez (Univ. Autonoma de Madrid, Espanha)

     

  • Date: 25/10/13- 14h
  • Title: Hyperpolar actions on noncompact symmetric spaces
  • Speaker: prof. Jürgen Berndt (King's College London)

  • Date: 17/10/13- 14h
  • Title: Complex hyperbolic bundles and the turnover
  • Speaker: prof. Carlos Grossi ( ICMC)

  • Date: 11/10/13- 14h
  • Title:
  • Speaker: Oscar Ocampo (IME - USP)
  • Date: 11/10/13- 15h
  • Title: Jacobi fields and conjugate points of quadratic Finsler metrics
  • Speaker: Miguel Angel Javaloyes
  • Date: 27/09/2013 , 15:00 h
  • Titile: O teorema do tipo de órbita principal para grupóides de Lie
  • João Nuno Mestre

  • Date: 20/09/2013, 15:00h
  • Title: O colchete de Frölicher-Nijenhuis em grupóides de Lie.
  • Speaker: Prof. Thiago Drummond (UFRJ)

  •  Date: 20/09/ 2013
  • Títle: Esferas Afins Impróprias de Dimensão Par
  • Speaker:  Prof. Marcos Craizer (PUC - Rio)

  • Date: 20/09/2013, 14:00h
  • Title: Esferas Afins Impróprias de Dimensão Pars
  • Speaker: prof. Miguel Angel Javaloyes da Universidade de Murcia (Espanha)



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