Photo credit: Bruno Herman

José Pedro Quintanilha

Institut für Mathematik IMa
Im Neuenheimer Feld 205
69120 Heidelberg

E-mail: jquintanilha [at] mathi [dot] uni-heidelberg [dot] de (note the "i" in "mathi")
Office: 3 / 407

I am interested in low-dimensional topology and geometric group theory.

Here is my CV (last updated Nov 2023).

ORCID: 0000-0001-6636-3400

Research

Preprint: Writhe invariants of 3-regular spatial graphs, joint with Stefan Friedl and Tejas Kalelkar.
arXiv:2404.09649 [math.GT].
Canonical decompositions and algorithmic recognition of spatial graphs, joint with Stefan Friedl, Lars Munser and Yuri Santos Rego.
Published in Proceedings of the Edinburgh Mathematical Society (2024). Preprint: arXiv:2105.06905 [math.GT].
The complex of hypersurfaces in a homology class, joint with Gerrit Herrmann.
Published in Michigan Mathematical Journal (2023). Pre-print: arXiv:2007.00522 [math.GT].
An algorithm to calculate generalized Seifert matrices, joint with Stefan Friedl and Chinmaya Kausik.
Published in Journal of Knot Theory and its Ramifications (2022). Pre-print: arXiv:2204.10004 [math.GT].
Try out Chinmaya's Clasper!
My PhD thesis, Three slices of 3-manifold topology: spatial graphs, surface complexes and simplicial volumes, supervised by Stefan Friedl and Clara Löh (2022).
Stable integral simplicial volume of 3-manifolds, joint with Daniel Fauser, Clara Löh and Marco Moraschini.
Published in Journal of Topology (2021). Pre-print: arXiv:1910.06120 [math.GT].
My Master's thesis, Curves on the boundary of handlebodies, supervised by Sebastian Hensel (2017).

GoTh Workshop: Groups of Thompson and their relatives, OvGU-Magdeburg, 18 - 22 September 2023. Co-organized with Kai-Uwe Bux, Ilaria Castellano and Yuri Santos Rego. Webpage.

An observation about 3-regular spatial graphs, LKS Seminar, Universität Regensburg (25 Jul 2023).
Canonical decompositions and algorithmic recognition of spatial graphs, Oberwolfach Workshop 2303: Low-dimensional Topology, Mathematisches Forschungsinstitut Oberwolfach (19 Jan 2023).
The 3-page extended abstract is published in the Oberwolfach Report (p. 37).
Computing generalized Seifert matrices for closures of colored braids, Geometry Seminar, Universidade de Coimbra (5 Jan 2023). Abstract and notes.
An overview of Sigma-invariants, LKS Seminar, Universität Regensburg (2 Dec 2022).
An overview of Sigma-invariants, Tea Seminar, Universität Münster (14 Nov 2022). Abstract and notes.
Studying 3-manifolds through the finite quotients of their fundamental groups, Geometry Graduate Colloquium, ETH Zürich (22 Oct 2020). Slides.
Hypersurfaces representing a codimension-1 homology class, AG Seminar, Karlsruher Institut für Technologie (23 Jan 2020). Abstract.
Uma introdução à topologia e à teoria de nós, Encontro Nacional de Estudantes de Matemática, Universidade do Porto (15 Apr 2019). Slides (in Portuguese).

Summer sem. 2024: Teaching assistant for Coxeter Groups and Buildings, by Petra Schwer.
Winter sem. 2023/24: Teaching assistant for Operations Research, by Werner Hoffmann.
Summer sem. 2023: Teaching assistant for Geometry and Topology, by Stefan Bauer.
Winter sem. 2020/21: Organizer of a student seminar on L²-invariants, jointly with Lars Munser. Here is the program.
Summer sem. 2019: Teaching assistant for Group Cohomology, by Clara Löh.
Summer 2015: Monitor for a summer school for highschool students at the University of Porto. Notes for that project (in Portuguese): Jogos binários.

2022 - 2024: Postdoctoral researcher at the Universiy of Bielefeld, with Kai-Uwe Bux.
2018 - 2022: PhD at the University of Regensburg, with Stefan Friedl and Clara Löh.
2015 - 2017: MSc in Mathematics a the University of Bonn.
2012 - 2015: BSc in Mathematics at the University of Porto.
2007 - 2012: MSc in Bioengineering at the University of Porto.