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Silvia

Sílvia Ravasco dos Anjos


Phone (351) 218 417 129
Email sanjos *at* math.tecnico.ulisboa.pt
Office Edifício de Pós-Graduação, 4th floor, room 4.32
Postal Address Departamento de Matemática
Instituto Superior Técnico
Av. Rovisco Pais
1049-001 Lisbon, Portugal


Position

Associate Professor

Member of the Center for Mathematical Analysis, Geometry and Dynamical Systems

Education

PhD (Mathematics), 2000, State University of New York at Stony Brook

Licenciada em Matemática Aplicada e Computação, 1994, Instituto Superior Técnico



Research Interests

Symplectic Geometry and Topology

ESF Research Networking Programme CAST

The network Contact and Symplectic Topology (CAST) was launched on January 27th, 2010 for a duration of 5 years.

Research Papers

Embeddings of symplectic balls into the complex projective plane, (joint with Jarek Kedra and Martin Pinsonnault). arXiv:2307.00556

Stability of the symplectomorphism group of rational surfaces, (joint with Jun Li, Tian-Jun Li and Martin Pinsonnault), Math. Ann. (2023). arXiv:1911.00961

Loops in the fundamental group of \( \mathrm Symp \, (\mathbb C\mathbb P^2\#\,5\overline{\mathbb C\mathbb P}\,\!^2) \) which are not represented by circle actions , (joint with Miguel Barata, Martin Pinsonnault and Ana Alexandra Reis), Canad. J. Math. 75 (2023), no. 4, 1226-1271. arXiv:1910.02796

The homotopy Lie algebra of symplectomorphisms groups of 3-folds blow-ups of \( (S^2\times S^2, \sigma\oplus \sigma )\), (joint with Sinan Eden), Michigan Math. J. 68 (2019), no. 1, 71-126. arXiv:1702.03572

Seidel's morphism of toric 4-manifolds, (joint with Rémi Leclercq), J. Symplectic Geom. 16 (2018), no. 1, 1-68. arXiv:1406.7641

Non-contractible Hamiltonian loops in the kernel of Seidel's representation, (joint with Rémi Leclercq), Pac. J. Math. 290 (2017) no. 2, 257-272. arXiv:1602.05787

The homotopy Lie algebra of symplectomorphism groups of 3-fold blow-ups of the projective plane, (joint with Martin Pinsonnault), Math. Z. 275 (2013), no. 1-2, 245-292. arXiv:1201.5077

The homotopy type of the space of sympectic balls in rational ruled 4-manifolds, (joint with F. Lalonde and M. Pinsonnault), Geom. Topol. 13 (2009), no. 2, 1177-1227. arXiv:0807.1031

The topology of the space of symplectic balls in \( S^2 \times S^2 \), (joint with F. Lalonde), C. R. Math. Acad. Sci. Paris 345 (2007), no. 1, 639-642. arXiv:math/0406129

Homotopy decomposition of a group of symplectomorphisms of \( S^2 \times S^2 \), (joint with G. Granja), Topology 43 (2004), no. 3, 599-618. arXiv:math/030309

Homotopy type of symplectomorphism groups of \( S^2 \times S^2 \), Geom. Topol. 6 (2002), 195-218. arXiv:math/0009220

Homotopy type of symplectomorphism groups of \( S^2 \times S^2 \), Ph.D. Thesis, SUNY at Stony Brook, 2000.



Some Local Activities

Geometria em Lisboa Seminar

Escola de Verão de Geometria: 100 anos de Relatividade Geral — July 2015

VIII Workshop on Symplectic Geometry, Contact Geometry and Interactions — January 30 to February 1, 2014

Estágio "A Geometria da Relatividade" — July 2010

X Lisbon Summer Lectures in Geometry — June/July 2009

VIII Lisbon Summer Lectures in Geometry — June 2007

SYMAT05 — Workshop on Symplectic Topology — July 2005

Estágio "A Geometria da Relatividade" — July 2005

II Lisbon Summer Lectures in Geometry — June 2001

Diagonal Seminar (student seminar - in portuguese)



Teaching

Riemannian Geometry

Semester 2 — 2022/2023

Semester 1 — 2005/2006

Semester 1 — 2004/2005

Linear Algebra

Semester 1 — 2023/2024

Semester 1 — 2022/2023

Differential Geometry

Semester 1 — 2018/2019

Semester 1 — 2017/2018

Semester 1 — 2016/2017

Symplectic Geometry

Semester 2 — 2012/2013

Semester 2 — 2001/2002

Calculus II

Semester 2 — 2021/2022

Semester 2 — 2020/2021

Semester 2 — 2018/2019

Semester 2 — 2016/2017

Semester 2 — 2015/2016

Semester 2 — 2014/2015

Semester 1 — 2013/2014

Semester 2 — 2011/2012

Semester 2 — 2010/2011

Semester 1 — 2010/2011

Semester 1 — 2009/2010

Semester 1 — 2008/2009

Semester 2 — 2007/2008

Mathematical Analysis II

Semester 1 — 2006/2007

Mathematical Analysis III

Semester 2 — 2004/2005

Semester 1 — 2003/2004

Semester 2 — 2002/2003

Semester 1 — 2002/2003



Students


PostDoc

Rémi Leclercq (2010/2011)


PhD

Sinan Eden (2011-2016), The homotopy Lie algebra of symplectomorphisms groups of 3-fold blow-ups of \( (S^2 \times S^2, \sigma_{std} \oplus \sigma_{std})\)


MSc

Francisco Nascimento (2023/2024), Geometry and Billiards

Ana Alexandra Reis (2020/2022), A Roadmap to Quantum Cohomology, From J- holomorphic curves to quantum cohomology


Graduate Research Scholarship

Flávio Cordeiro (2007/2008), O Índice de Maslov não linear


Gulbenkian Program "Novos Talentos em Matemática"

Miguel Barata (2018/2019), The fundamental group of \( \mathrm Symp \, (S^2 \times S^2\#\,4\overline{\mathbb C\mathbb P}\,\!^2) \)

Ana Alexandra Reis (2017/2018), Circle Actions on Symplectic Manifolds

Pedro Jesus (2008/2009), A Geometria das Superfícies

Cátia Gonçalves (2005/2006), Teoria dos Nós


Undergraduate Project

Cláudia Pascoal (2002/2003), A História de Nós (Seminário Diagonal)