Preprint.

I wrote a 40 pages preprint entitled “Trimming the numerical semigroups tree to probe Wilf’s conjecture to higher genus”.

Click on the separator Papers for details on my publications.

Preprint.

I wrote a survey on the Wilf conjecture on numerical semigroups.

Click on the separator Papers for details on my publications.

The GAP packages “numericalsgps”, “intpic” and “sgpviz” have new releases.
Before this happened, their WWWpages moved to GitHub pages. Their new repositories are now hosted in GitHub.
The software separator in my homepage changed accordingly.

Preprint.
I wrote a preprint related to the Wilf conjecture on numerical semigroups.

Click on the separator Papers for details on my publications.

I will be involved in the organization of the Course in Computational Group Theory integrated in the Summer School of the UC|UP joint PHD programm in Mathematics, 12-16/09/2016, Coimbra, Portugal.

I have been involved in the organization of the conference:
International Conference on Semigroups and Automata 2016, 20-24/6/2016, Lisbon, Portugal.

Mathematical software.
The package numericalsgps is now an officially accepted GAP package.

The packages numericalsgps and intpic have new versions of early June. (Click on the separator Software for details.)

AMS / EMS / SPM International Meeting, Porto, Portugal. 10-13 June, 2015

Jointly with Pedro A. García-Sánchez, I will be orgnizing a special session on “Commutative Monoids”. [Program]

I am one of the organizers of the third Iberian Meeting on Numerical Semigroups which will be held in Vila Real, July 18 – 20, 2012.

If you reached this post you are probably using an address that points to my old homepage and some links may not work. The material you are looking for is probably accessible from the above menu in my new homepage.
If this does not work, please try to replace v1 by oldsite in the full path.