Pedro Fortuny Ayuso
Profesor Ayudante Doctor, Matemática Aplicada
Escuela Politécnica de Ingenieria de Gijón
Información para alumnos de UniOvi
Apuntes correspondientes a cursos que he impartido
Professional and personal interests
- I am an algebraic geometer focusing on singularities of ordinary differential
equations, vector fields and their relations to valuation theory. This
is my list of publications as shown by MathSciNet.
- And this is the list of Reviews I have written
for the Mathematical Reviews database.
- I used to work as a network consultant and deployer: Linux/Windows mixed
networks, samba services, all kind of network servers, firewalls.... See
- I keep a Command Line Blog with a couple of friends.
- I have started some security projects
together with a friend.
- You can watch a video of a talk on social networkds I gave
at the Club Deva, in Gijón, Spain.
I (used to, I am now a full-time mathematician) focus mainly on Perl development, but know C, Ruby, Java,
C++ and have done some Lisp. Work I have done includes:
- Web development (Perl) for academia: on-line self-assessment of
students, used for example here.
- Data Analysis (Perl): filtering of financial data for
proper later management.
- I have (for fun, in C) helped develop a simulation of particle
heating in a pipe, for a BSc thesis in Physics. The code is MIA (this
happens when you work with a physicist).
I have also done some for-fun development. For example:
- SPA for
OpenBSD's pf: an implementation of the Single Packet
Authorization 'protocol' for OpenBSD's packet filter pf.
- partitions a little utility
in C++ for computing the 'partitions of size k' of an integer.
This is mostly an exercise on 'vector', 'iterators' and recursion
(and recursion elimination, by the way).
- A justification utility in Perl.
You input a text file and
it outputs a fixed-width version of it.
- A standard solution in C to the classical
producer-consumer problem, using threads.
- The solution to a job-interview problem, a filtering program,
so to speak, which finds matches between lists of words and lines of text (finds lines
of text containing specific lists of words).
That may give you an idea of my abilities: both fast, ad-hoc
solutions for a need (which is what script languages are mainly
for) and detailed, complete software development for long-term
I have also done the casual patch of a piece of software for my
own (or my employers') needs.
Resumé and Photo
- You can get my resumé in pdf form, or
in case you are more text-prone, in text (specifically,
UTF-8). I do not own any MS-Office licence, so I cannot offer it in Word
format as yet. By the way, if you want it in Spanish, the pdf is
here and the text file
here. If you need the references'
e-mails or phone numbers, I may share them with you, but you will
understand my not keeping them on-line.
- Here I am. The photo is not
quite recent, but my general aspect has not changed that much (I hope).
I am a 1971-born Mathematician (some people would say I am an Algebraic Geometer); got my degree from
Salamanca, which I am
quite proud of, and my PhD from Valladolid -also proudly, but
the place is less famous, even though the two Universities are almost the same age- and
spent some time as a Post-doc (as a Marie Curie fellow) at
Queen Mary College, in London. Specifically,
I have studied singularities of foliations
on the complex plane and their relation with
valuations. I have published some
papers and given some talks on the subject.
IRL, I am an IT hobbyist, I administer
the local networks (linux/windows/OS X) of a Spanish hall of residence,
have developed a Perl program
to manage on-line tests for a professor of History
at Valladolid (please notice that I am a programmer,
not a designer) and right now am in the process of writing a Ruby on Rails application for a
medical friend. I know C by heart, but my only real programming experience in it has been for
helping a couple of friends in their graduation assignments. I did also some Java during my
Also while in London (what a fruitful experience), I developed a taste for
Financial Mathematics: Brownian motion,
Itô, Black-Scholes and so on. This is a field I think I can work at in the (near?) future.
In case you are wondering, yes, I use LaTeX as my
typesetting tool and emacs as my editor. As of vi, I prefer
I have done some Wikipedia stuff (I am
even a sysop still). However, as you may see in that link, I am not quite happy with the result. I
have strong feelings on the subject.
Finally, I like English literature a lot. To give you an idea: T.S. Eliot, E. Waugh, H. James, ...
are the usual suspects whose books are to be found hanging around on my nightstand.
What follows is related to the past, but still relevant
Network and Security Consulting and Deployment
I used to work as a freelance network/security consultant and deployer for
small sized organizations (tens of computers at most). Typical
jobs I consult for are:
- Full network deployment. Setup a computer
network, routers, servers, firewalls. From scratch. A good
design prevents many problems.
- Server installation/migration. The update your company
- Network security: consulting, assessment, firewalling,
policy development and implementation. Security is not
about being or feeling safe but about
improving your defenses
(it is an ongoing process, not a state).
- Net use filter, management and control. Because you want your
network free from inadecuate content or because you want it to
be used properly (at the proper time by the proper
individuals). I focus on the firewall+Dansguardian+Squid
- E-mail: I've got two addresses. For professional-technical matters, please write to
me at info AT pfortuny.net.
For friends/family, I use pfortuny AT gmail.com. Obviously, you have to
change the AT for an @.
- Snail-mail address:
C/Anselmo Cifuentes 11, 3-Izda
33205 Gijón, Asturias
- Phone Number: Not on the web, for obvious reasons. You can find it in my resumé
if you really need it.