What's this Leal about? |

I am a professor of Mathematics in the Department of Mathematics, Statistics and Computer Science of the University of Cantabria.Departamento de Matemáticas, Estadística y Computación Universidad de Cantabria, Av. de los Castros 48 E-39005 Santander, SPAINf r a n c i s c o . s a n t o s @ u n i c a n . e s Tel: +34 942 20.15.22, Fax: +34 942 20.14.02

Research Papersand some Talks |
Information related to the Hirsch conjecture |
My book on triangulations,published in 2010 |

- Discrete and combinatorial geometry (oriented matroids, lattice polytopes, convex polytopes in general, triangulations of them)
- Computational geometry (Delaunay triangulations, pseudo-triangulations)
- Algebraic geometry (toric geometry, topology of real algebraic plane curves, decomposition of polynomials in sums of squares)

Some current activities:

- Member of the editorial boards of the journals
*Discrete and Computational Geometry*(2007- ),*Electronic J. of Combinatorics*(2014- ) and*Advances in Geometry*(2020- ). - Member of the Scientific Committee of the Royal Spanish Mathematical Society (2010-2016 and 2021-).
- Member of the steering committee of the Spanish Discrete Math Network.
- Co-IP of the project Geometry and Algebra in Combinatorics -- Geometría y Álgebra en Combinatoria. (PID2022-137283NB-C21 of MCIN/AEI/10.13039/501100011033 / FEDER).

Some past activities:

- Einstein Visiting Fellow in the Discrete Geometry Group of Freie Universität Berlin (2016-2020).
- Research Professor and Chair of the Organizing Committee in the Program on Geometric and Topological Cominatorics, MSRI Berkeley (2017).
- Coordinator of the Doctorate program Mathematics and Computation, which was distinguished by the Spanish Science Ministry with an "Excellence Mention" (2010-2017).
- Vicedean of the Faculty of Sciences, in charge of coordinating the Degree in Mathematics of my University. (2009-2013)
- Director of the International Center for Mathematics Meetings (
**CIEM**) in Castro Urdiales (2008-2010). - Member of the steering committee of the Spanish Topology Network (RET) (2013-2016).
- Member of the steering committee of the
**i-MATH**project (2008-2011). - Coordinator for Erasmus/Socrates program in Mathematics in my university (1996-2003).